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SmartStack STS16-20D/STS16 -20R Token Ring Switches Installation and User Guide.
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i Notice Notice Cabletron Systems res erves the right to mak e changes in s pecifications and other information contained in this document without prior notice. The reader s hould in all cases consult Cabletron Systems to d etermine whether any such changes ha v e been made.
ii Notice FCC Notice This device complies with Part 15 of the F CC rules. Operation i s subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept an y interference r ecei ved, in cl uding interf erence that may cause undesired operation.
iii Notice Dec laration of Conf ormity Addend um Application of Council Directi ve(s): 89/336 /EEC 73/23/ EEC Manufacturer ’ s Name: Cabletron Systems, Inc. Manufacturer ’ s Address: 35 In dustrial Way PO Box 50 05 Rochester, NH 038 67 European Representati ve Name: Mr.
iv Notice T a b le of C ontent s 1. Introduction 1 Switch ing Technolo gy . . . . . . . . . . . . . . . . . . . . . . . 2 Switch of Switch es . . . . . . . . . . . . . . . . . . . . . . 2 Switch of Servers . . . . . . . . . . . . . . . . . . . . . . .
v Notice Spanning Tree Protoc ol Support . . . . . . . . . . . . . . . . 30 VLAN Sup port . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Dynamic So urce Route Re covery . . . . . . . . . . . . . . . . 32 Managemen t . . . . . . . . . . . . . .
vi Notice Using B uilding Wiri ng . . . . . . . . . . . . . . . . . . . . 61 Checking the Instal lation . . . . . . . . . . . . . . . . . . . . 62 Applyin g Power . . . . . . . . . . . . . . . . . . . . . . . . . 63 Stacker Link Modul e . . . . . . . .
vii Notice CrossLi nk Menu . . . . . . . . . . . . . . . . . . . . . . 112 CrossLi nk Configur ation Screen . . . . . . . . . . . . . . 113 Setting up a Cross Link . . . . . . . . . . . . . . . . . . . 114 Current Cr ossLink Info rmation Scre en . . .
viii Notice Port Stat istics Men u . . . . . . . . . . . . . . . . . . . . . . . 162 General Statisti cs Screen . . . . . . . . . . . . . . . . . . 163 802.5 Sta tistics S creen . . . . . . . . . . . . . . . . . . . 167 802.5 Sta te Informa tion Scree n .
ix Notice 11. Getting in Touch with Technical Support 221 Problem Report Form . . . . . . . . . . . . . . . . . . . . . 222 Appendix A. Abbreviations 225 Appendix B. Cable and Pin Information 229 Conne cting to t he Out-of- Band Mana gement Port . . .
x Notice List of Figures Figure 1. SmartSt ack STS16- 20D Token Ring Switch . . . . . . . . . 1 Figure 2. Location of LEDs, Swi tches and Con nectors . . . . . . . . . 5 Figure 3 . The back panel of th e SmartStac k STS16- 20D . . . . . . . 9 Figure 4 .
xi Notice List of T ables Table 1. Status LEDs an d their Mean ings . . . . . . . . . . . . . . . 7 Table 2. Stack-link LEDs and Their Me anings . . . . . . . . . . . . . 8 Table 3. Port LEDs and Their Meanings . . . . . . . . . . . . . . . . 8 Table 4.
xii Notice.
1 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide 1. Intr oduct ion This chapter discusses switching technology and how the Smar tStack STS16-20D and/or Sma rtStack STS16-20R Tok en Ring Switch can be used to improve ne twork performance.
2 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction Switching T echnology Demand for network ban dwidth continu es to gr ow, driven by the i ncreasing number of sys tems used in netw ork-intens ive applications.
3 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide STS16-20 D/STS16 -20R t o be used as a switch of s witches wh ich provides m edia flexibility in an Token Ring configuratio n.
4 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction network management statistics. Total network capacity and throughput increase dramatically for attached desktop workstations.
5 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Fr ont P anel Details The front p anel details o f the switches ar e illustrated in Figure 2 . This section lists all the connectors, contro ls, and LEDs of the f ront panel.
6 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction — a connection to a shared -media se gment via a T oken Ring con centrator , Station mode (on SmartS ta.
7 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Lab els The two labels in the right side of the front panel ar e: • The MA C Address Label: The unique globally assigne d base Base MA C- Address of th e switch.
8 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction Table 2 lists the stack-link LEDs and their mean ings: Table 3 lists the port LEDs and their m eanings: LED State Meaning TX On or blin king Data is being transmitted to the stack li nk.
9 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Back P anel Details The back panel of the swi tches ar e illustrated in Figure 3. The back panel of the SmartStack STS16-20 D Figure 4. The back panel of the SmartStack STS16-20 R Table 4 lists th e back panel conn ectors on the switch.
10 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction Features and Specifications This section lists important switch featur es as well as technical specifications.
11 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide — On Sm artStack ST S16-20R up to 256 Mbps for all t he port s 1 – 20, when usin g 8 por ts.
12 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction • SmartSt ack STS16 -20R: Opt ional Redundant Po wer Supply Six switches can rec ei ve backu p po wer from one SmartStack STS-RPC Redundant Po wer Center equipped with six SmartStack STS-PSU Redundant Po wer Supply Un its.
13 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Specificatio ns The tables on the followin g pages list the product specifi cations for the SmartStack STS1 6-20D/ST S16-20R.
14 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction P erformance T able 6. P erf ormance Specificati ons Specificatio n V alue Maximum frame rate per port 57,000 pps in each direc t ion (measure d wi th a frame size of 19 b ytes) Maximum aggregat e frame rate per 4 ports 200,000 pps i n each direction.
15 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Physical Characteri stics Specifica tion V alue Rac k moun t 19" rack moun t (hardw are included) 1.5 U Dimensio ns W idth: 19" (4 8.3 cm) Depth: 15 .
16 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction T able 7. Sp ecificat ions of Ph ysical Characte ristics ❏ Pr otocol com patibil ity T ransparent to higher la yer pr otocols Span ning T ree Proto col sup port (On Sma rtSta ck STS16- 20D only f or ports 17 to 20) IEEE 802.
17 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 2. Switc h Over vie w The SmartStack STS16-20D/STS16- 20R is an IE EE 802.5-compliant dev i ce designed to boost t hroughput on To ken Ring net works. It operates as a Media Access Control (MAC)-lay er device t hat is pro tocol indepen dent.
18 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Multiple Sim ultaneous Con versatio ns A limitation of Token Ri ng is that it supports only one packet at a time. The SmartStack STS16-20D/ST S16-20R im proves dat a thr oughput by su pporti ng multiple, simu ltaneous, full-duplex conversations.
19 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide The increase in thr oughput is directly p roportion al to th e number of physical token- rings that ar e interconnected thro ugh the switch. A SmartStack STS16- 20D/ STS16-20 R with 2 0 ports intercon nected prov ides up to ten concur rent paths.
20 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Address Mana g ement At power up, the s ystem address tables d o not contain an y information.
21 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Mu ltiple Br idging Modes The Sm artStack STS16- 20D/STS16- 20R supports four differe nt swit ching mo des to provide maxim um flexibility in all installatio n environments.
22 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w The CRF communicates v ia a logical, virtual port with the bridge relay function, which functions as a multiport (virtual ) bridge between the logical rings.
23 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide • The bridge relay function has a single bridge number and multiple ring numbers ( one per logical ri ng) SRS is used between the ports of each logical ring.
24 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Filtering Filtering is important for a LAN switch. Filters can be used to reduce broadcast traffic, bl ock certain p rotocols and prov ide security func tions.
25 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Three Switching Modes This section describes the th ree switching modes available on the switch.
26 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w T oken Ring P ort Operation Mo des Each Token Ri ng port may opera te in one of the following modes : • Half-duplex concentrator port The port beha ves like an acti ve MA U port for classical T oken Ring.
27 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide RI/R O-Like Connection on SmartStac k STS16-20R A UTP RI/RO connection is available on p orts 19 and 20 on the SmartStack STS1 6-20R Switch.
28 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w T ransmis sion Priori ty Queues To address the needs of delay-sen sitive data, such as multimedia, the Token Ring ports of the Smart Stack STS16-20 D/STS16-20 R have two transmit queues, a high- priority queue and a low-priority q ueue.
29 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cr ossLink Connections Two or mor e Token-R ing ports can be confi gured to comprise a CrossLi nk.
30 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w For det ails about Cross Link conf iguration, please refer to the sec tion “ CrossLi nk ” on page 110 in Chapt er 6, “ Sw itch C onfigurat ion ” .
31 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide VLAN Suppor t The virtual LAN (VLAN) co ncept creates a virtual switch within a physical switch or stack of s witches. A VLAN cons ists of CRFs and has its own b ridge rel ay function attached.
32 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Dynamic Sour ce Route Recovery Dynamic Source Route Recovery (DSRR) is a pro prietary protocol th at enables a group of s witches to ha ndle a lin k or swi tch fai lure witho ut session lo ss.
33 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Figure 9. Example of Dynamic Sour ce Route Reco very, Normal State If one of the swit ches (Figure 9.
34 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Figure 10 . Example o f Dynamic Sour ce Route Reco very, Switch 1 F ailed Note that since a separate link is required f o r forwarding traf fic wi th a given Route Descriptor, one switch can only carr y backup traffic for one failed switch at a time.
35 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Management This section describ es the management opti ons for the switch. SNMP The SmartS tack STS16 -20D/STS16- 20R can be managed vi a a SNMP manag er.
36 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Smar tStack Manager for Windows The SmartSw itch Manager is an applicatio n that runs under Windows.
37 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide RMON Suppo r t RMON is an indu stry-s tandard met hod for prov iding network stat istics mon i to ring using SNMP. It also collects fault, perfo r mance, and configuration s tat istics.
38 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w 9. Event Supported. 10. T oken-R ing Support ed: — The T oken-R ing Ri ng Statio n Gro up. Only sup ported as r ead . That is, only the entr i es created as def ault can be read.
39 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Built-in P or t Co unter s The SmartS tack STS16 -20D/STS16- 20R supports a wi de range of port count ers, which enables you to obtain a detailed overview of the port traffic.
40 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w stack must be equipped with a STS-LM Stacker Link Module and an appropriate stacker link cable. The SmartSta ck STS-8SU External Stacker Unit works as a common backp l ane swit ching fa bric, which provi des 2.
41 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide 3. Prepar ing f or Inst allat ion Before installin g the SmartStack STS16-20D/STS16-20R, read th is chapter carefully.
42 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n • Before working on th e system, unplug the power cord. T o a void the possibili ty of electrical shock, unplug the power cord fro m the outlet before detaching the power cord f rom the switch.
43 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Site Re quirements Following are the sit e requirements for installatio n. En vir onment Choose a clean, dust-free, preferably air-conditioned locatio n.
44 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n b . The cord must be UL listed, C SA labelled, and consist of th ree conductors with a maximu m of 15 feet in length. T ype S VT or SJT co rd sets shall be used for un its which stand on a d esk or table.
45 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Configuration Guidelines This section will hel p you unders tand the phys ical configurati on restricti ons for the SmartStack STS1 6-20D/STS16-20R.
46 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n You can also use the NET 18K dialog box in the HP OpenView application.
47 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Rin g Num bers Forwardin g frames between CR Fs in SRB mode i s onl y poss ible if the CRFs know their ring nu mbers.
48 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n Sample Use s of the SmartStac k STS16-20RM F amil y Switches The Cabletron Systems SmartS.
49 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Figure 11. T ypical Netwo r k without the Smar tStack STS16-20D/ STS16-20R Figure 12.
50 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n Figure 13. Re placing SRBs with a SmartStac k STS16-20 RM or SmartStack STS16-20R Figure 14.
51 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Deploy ment Scenarios SmartStack STS16-20D/STS16-20R includes a built-in s tacker link. To create a stack of SmartStack STS16 -20x switches you can use any switch in this series as an interface point for the stack.
52 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n Figure 15. Sc enario using a Stac ker Link and a Matrix Switc h Figure 16 on t he ne xt page sho ws a network design where Smart Stack STS 16-20D/ STS16-2 0R uses network ports to connect to a remot e SmartS tack STS16- 20RM switch.
53 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Figure 16. Set ting Up CrossL inks ❏.
54 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n.
55 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 4. Installation This chapter contains step-by- step instructions for installing, co nnecting and verifying th at the S martStack STS 16-20D To ken Ring Switch and/o r the SmartStack STS16-20R Token Ring Sw itch is operat ing pr operly.
56 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation P ac ka ge Contents Immediately after receiving the equipment, examine all shipping cont ainers and contents for damage. If any damage has occur red, notify the s hipping ca rrier.
57 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Materials needed f or Instal lation To install the swi tch, you need the following items: • If the unit will be installed in a rack, you need: — A rack in ventor y chart and a cabling chart fro m your netwo rk administrator .
58 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation Mounting the Chassis The SmartStack STS16-20D/STS 16-20R can be mounted in a standard 19-inch rack or cabinet, or can be mounted on any flat surface such as a tabletop.
59 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 2. Posit ion the S martStack STS 16-20D/STS16-2 0R, with the e xposed mount ing brackets, in t he rack or cabinet and slide it up or do wn until the bracket holes line up with the rack holes.
60 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation Cabling ➽ Note: For infor mation on connec tors, b uttons, slo ts, and LEDs, p lease see “ Front Panel Details ” on pa ge 5 an d “ Back Panel Details ” on pa ge 9 in C hapter 1.
61 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide device at the oth er end, a uniqu e cable identification number, the MAC address of the conn ected device, and the n u mber of the port to which the cable is attached.
62 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation ➽ Note: Do not connect these cables to th e Ring-In or Ring-Out port on a med ia access unit (MA U), u nless you us e ports 19 and 2 0 on STS16-20R. 4. Connect the other end of the cable to a T oken Ring port on the switch.
63 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Applying P ower The SmartStack S TS16-20D/ STS16-20R chassis does not ha ve an on/off switch. Power is on when the unit i s plug ged into a power sourc e .
64 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation Figure 22. T he back pane l of the STS16-20R 4. V erify that th e po wer LED is o n. If not, make sure the outlet is working properly . If the outlet is working, but the power LED and the fans are not on, see Chapter 10, “ T roubles hooting ” .
65 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Stac ker Link Mo dule The SmartStack STS-LM Internal Stacker Unit which is factory installed in the SmartStack STS16-20D/STS16-20R switch is a single port interface mod ule that is installed into the back slot of th e Switch.
66 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation Smar tStack STS -LM Connectors and LEDs The followi ng tables describe the connectors and LEDs on the STS-LM fr ont panel.
67 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide W orking with a Stac k When the SmartStack STS16- 20D/STS16-2 0R switch powe rs up, it runs t hrough a series of diagnost ics. Immediately after the diagnostics are complete, the SmartStack STS16-20D/STS16-20R en ters the stack discov ery mode.
68 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation T able 12. Inter- bo x P arameter s Chec king the Installation The Smart Stack STS 16-20D/S TS16-20R performs a diag nostic s elf-test during the power on cycle.
69 Accessing Switch Management SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 5. Acce ssing Switch Management The switches can be configured in two w ays: 1.
70 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Accessing Switch Ma nagement Connecting the Console The two follo wing subs ections explai n how to conn ect to the switch cons ole. You can connect directly or via a modem.
71 Accessing Switch Management SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 3. Use the values listed in the follo wing table to set the configuration parameters on your con s ole for i nterfacing to the SmartStack STS16-20D/STS16-20R.
72 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Accessing Switch Ma nagement 4. At po wer on (cold boot), t he Smart Stack STS1 6-20D/STS1 6-20R perfo rms a series of self-test di agnostics v erifying that hardware comp onents are functioning.
73 Accessing Switch Management SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 5. If you still can not get the connection to work, contact a support person.
74 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Accessing Switch Ma nagement 20 29 - Initializing system address table - System entering stand-alone mode - Enabling port: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 22 22 23 24 Press RETURN key to activate console.
75 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 6. Switc h Configuration This chapter explains how to set up the S martStack STS16-20D/STS16-20R and to modify the con figuration using a V T100 console attached to the switch directly or via a modem conn ection.
76 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Genera l Gu ideline s To work within the console menus and screens, follo w these guidelines: • T o select an item on a screen or a menu, highlight it by using the arro w ke ys and then pr ess ENT ER .
77 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide If no password is configured, just press ENTE R and the main menu is presented. T o establish a pas sword, see t he section "P assword Menu" on page 130 later in this chapter .
78 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Main Menu The main menu contains the following items, that give access to con sole screens and submen us: Configuration.
79 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Configu ration Menu Open this menu by selecting Configuration in the main menu. From the Configurat ion menu y ou can view and set the swit ch configurat ion paramete rs.
80 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Switch Configuration Screen To open this screen fro m the main menu, select Configuration → → → → Switch Configura tion .
81 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Flash Memor y Installed Amount (in KB) of flash m emory installed. In formation in this field canno t be changed. Burn ed- in M A C Addr ess The factory- assigned base MA C address of the SmartStack STS16-20D/STS16- 20R.
82 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n or preferred VLAN ’ s, i mpl ying that 63 MAC addresses need t o be re served for BRF.
83 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Syst em Con tac t Any t ext s tring of max. 64 characters that y ou have assigned for the switch. Time of Day An internal clock is used to calculate total tim e of operation and time of day.
84 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Remote Box Number(s) Number of switches ( in addition to this one) in the stack. Display only. Stack Time-out If a switch goes off line, the leng th of time (in seconds) during which the stack tries to reestablish co mmunication with the switch.
85 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide is listed as module 2. Status Wh ether t he mo dule is up, down, failed, or the slot i s empt y. Model Type of mod ule. The switch is listed for the base switch.
86 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n VLAN Configuration The Virtual LAN feature can be used to partition a SmartStack STS16-20D/STS1.
87 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide • IP . Y ou may gi ve each do main an IP address, s ubnet mask, and gate way address def inition. • Addr ess filter s. Domains ha ve no ef fect on address f ilters.
88 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n VLAN Configuration Screen To open this screen fro m the main menu, select Configuration → → → → VLAN Configura tion → → → → VLAN Configuration .
89 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide View ... Zooms in a VLAN. Add... Prompts for a new ID and brings up the VLAN Parameter Configuration screen. Chan ge .. . Prompts for a n u meric ID of a B RF or C RF to change and brin gs up t he VLAN Parameter Con figuration screen.
90 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n VLAN ID Numeric ID o f the CRF. Possib l e val ues are 2 through 1005. Va lues 1002 through 1005 and 1 are reserved f or the default CRFs and BR Fs.
91 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide For each CRF of translation al links connected to the same logi cal Ethernet segment, a connection attribute mu st be assigned: • Primary connection — for a main connection to the Ether net Cloud (def ault v alue for each CRF).
92 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n 1005 and 1 are reserved f or the default BRFs and CR Fs. These values cannot be changed. VLAN Name ASCII name associated with the BRF. Up t o 32 characters are allowed.
93 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide VLAN P or t Configuration To open this screen from the main men u, select Configuration → → → → VLAN Configura tion → → → → VLAN Port Configura tion .
94 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n IP Configuratio n Screen To open this screen fro m the main menu, select Configuration → → → → IP Configura tion. Then select the BRF to display the scr een.
95 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide default for the clas s of the IP address. If a subnet mask is speci fied, it will be used as a net mask.
96 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n BootP Reque sts an d P arame te rs When using Bo otP to determine its IP ad dress, the SmartSta.
97 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide SNMP Configuration Menu The next menu item in the Configuration menu is SNMP Config uration.. . This item open s a menu that is explained in Chap t er 8, “ Monitoring the Network with S NMP ” .
98 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n If two ports to the root have the same path cos t, the STP device selects the one with the highest priority (lo west value), an arbitrary v al ue that you as sign.
99 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Spanning T ree f or BRF Screen To open this screen from the main men u , do the following: 1. Select Conf i guration → → → → Spanning T r ee .
100 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n ➽ Note! When usin g multiport source route bridging, the int ernal link to the CRF with the lo west ring number will be forwarding. The other links will be blocking.
101 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Default: 2 0 Brid g e F orwar d Dela y (in Secon ds) Enter the time the BRF spanning tr ee entity waits between transitions from listening to learning, and from learning to forward ing.
102 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n STP Mode (BRF-to-CRF) Determines the mode of the i nternal port from this CRF to th e parent BRF . Possible valu es are auto , f orwar ding , bloc ked .
103 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Hello Time (in Sec onds) The time this C RF spanning tree instance w a its before sending the ne xt Hello BPDU message when this entity is the roo t in STP .
104 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n P ort Spanning T ree P arameters Screen To open t his screen do the following: 1. Startin g from th e main menu, select Conf igu ratio n → → → → Spanning T ree .
105 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide ➽ Note: For Smart Stack STS16- 20D n/a will be displayed for port s 1 to 16 as the y do not supp ort spanning tree p rotocol. Pa th C o s t Cost associated with the port.
106 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n P or t Configur ation Scr een To open this screen do the following: 1. Startin g from th e main menu, select Configuration → → → → P ort Configuration .
107 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Enabl ed Shows the administrative state of this port.
108 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n For c e A C Bits on SR Frames This field specifies if AC bits will be set unconditional ly when a port forwards certain LLC frames. Pos sible values are Yes and No ( default).
109 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Medi a Speed The Token-Ring media speed. Poss ibilities are 4 or 16 Mbps or Auto . When a switch port configured with Auto discovers a connection to shared media, it will open and insert into the ring.
110 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Switc hed P or t Analyzer Men u fr om the Configuration Menu The Switched Port Analyzer s creen is accessed from the Configu ration menu. This screen and its submenu s are pr es ented in Chap ter 9, “ Moni torin g Po rt Tr affi c ” .
111 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide • Stat istics r e porti ng. Statistics for th e CrossLink are displayed for individual ports, not for t he Cros sLink as a whole. Station add resses are distrib uted among the po rts in the CrossLink.
112 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Cr os sLink Me n u To open this menu from the main menu, select Conf iguration → → → → CrossLin k. Use the CrossLink menu to access the CrossLink C onfiguration and Info rmation screens.
113 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cr ossLink Configuration Screen To open this scr een from the main menu, select Configuration → → → → Cross Link → → → → Cros sLink Configura tion .
114 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Clear T able Deletes all Cro ssLinks. Setting up a CrossLink To add a CrossLink between two SmartStack STS16-20RM family switches, determine which ports to use for th e C rossLink.
115 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Current Cr ossLink Inf ormation Screen To open this scr een from the main menu, select Configuration → → → → Cross Link → → → → Current CrossLink Information .
116 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Addre ss Filteri ng The Address Filterin g feature enables you to restrict certain users from communicati ng with oth er users. To d o this, you can sp ecify source and d estination MAC-laye r Token Ri ng addr esses to be filter ed.
117 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide ➽ Note: T o restrict access from one s egment to an entire segment — not just an address — s ee the “ VLAN Conf iguration ” sectio n in this chapter .
118 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Pr otocol Filter s... Displays the Protocol Filters men u . Configur e Filters Scre en To open this screen from the main menu, select C onfigu ration → → → → Filters & Port Sec urit y .
119 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide — Any p acket with the sp ecif ied destination addr ess is pre vented from entering th e switch through t he specif ied port(s).
120 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Configure P or t Security Mode Screen This func tion di sables addres s learni ng of so urce and/or destinat ion addresses at specified ports on an SmartStack STS16 -20D/STS16-20R.
121 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide View P or t Filter s Screen To open this screen , do the following: 1. From the main menu, select Configuration → → → → Filters & P ort Security .
122 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n • T raff i c to this address will be forced to ports (as s pecif ied ) Return Return to the main m enu. More Displays addition al entries in the filter table if the table contains multiple pages.
123 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Pr otocol C lass Assignment... Selecting this item will open the Prot ocol Class Assi gnment screen . P or t Filtering Att rib ut es... Selecting this item will open the Port Filterin g Attributes screen.
124 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n (in its 4-digit he xadecimal format) for each of the classes 1 through 8. Y ou cannot specify an Ethertype f o r protocol class es 9 through 1 5.
125 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide • None - Allow all frames in this protocol class (default value). SR T The SRT field may have th e following v al ues: • Ye s - Allow transparent bridging for frames in this protocol cl ass (default v al ue).
126 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Address Aging You can set the per-port aging value u sing the Address Aging menu.
127 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Ad dress Aging Men u To open this men u from the main menu, sel ect Configuration → → → → Address Ag ing. The screens opened from this men u are described in the following sections.
128 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Po r t The port to which you want to assign an aging time. Aging Time (min.) A valid port aging time asso ciated with the port. Addresses will be discarded after reaching the set time limit.
129 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Master Address T a ble Aging Screen Master Address Table Aging is the aging v alue of a set time, in minutes, and a set percentage level after which unused addr es ses are rem oved from its table.
130 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Pa s s w o rd M e n u To open this menu from the main menu, select Configura tion → → → → Pas swo rd . There are two types of user righ ts, Read/Write an d Read -Onl y .
131 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide The password is saved across warm boots and power cyc l es.
132 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Cons ole/T elnet Ses sions The following section descr ibes how to establish a console or Telnet session . Console Configurat ion Menu This menu l ists it ems for configuring cons ole and Te lnet sess ions.
133 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Serial Link Configuration Screen Use the Serial Link Configu ration screen to configure a SmartStack STS16 -20D / STS16-20R wh en using a modem to create a console session.
134 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n 1200, 2400 , 4800, 9600, 1920 0, 38400, 57600, o r Autobaud. The d efault valu e for this parameter is 9600. Make sure that your terminal emulator baud rate matches the console baud rate y ou set.
135 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide T elnet Configuration Screen To open this screen from the main men u, select Configuration → → → → Cons ole Configura tion. Then select Telnet Configuration.
136 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n T e lnet Sess ions Scre en To open this screen, do the following: 1. From th e main menu, select Configuration → → → → Console Configuration .
137 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Starting the T elnet Se ssion Observe the following when s tarting a Telnet ses sion to the SmartStack STS16- 20D/STS1 6-20R: • In the IP I nf ormati on screen, the IP Sta te must not b e set to IP-Disabled .
138 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n ➽ Note: If you are in a T eln et session and change th e IP parameters either in the IP Info.
139 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Syslog Daemon Screen To open this menu f r om the main menu, select Conf igurat ion → → → → Syslog . The syslog facility is u sed to send messag es to a central place in your network where messages can b e logged.
140 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Change Entry Modifies an existin g entry. Zoom Displays more info rmation.
141 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide DSRR Configur ation Dynamic Source Ro ute Recovery enables a set of switches performing s ource.
142 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n • The traced por t and the back up for the traced port must connect to th e same legacy or em ulat ed T o ken-Ri ng.
143 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide DSRR Group Configuration S c reen ➽ Not e! Before entering the DSRR Gr oup Co nf i guration menu, the VLAN confi guration must be def ined.
144 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n State Shows t he actual st ate of t he display ed DSRR gro up. View and Change Select View or Ch ange to view or edit a group. You wi l l be prompt ed for the Index (Ix) of t he group.
145 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide inactive Disabled stop Transient state du ring enable/disable idl e Both primary and traced port down gr oupPo rtDow n Primary por t down tracedPortDown Traced port down active Operational stopO nErro r Err or condition.
146 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n AT M A d d r e s s This is the ATM address that identif ies the Lan Emulation Client implementing the Virtual ATM Traced Port ( when applicable).
147 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Download/Upload Menu As enhancements are made to the switch, you may need to up date the software that is contained in the switch. Or you may wish to save the configuration, that is, upload the config uration files.
148 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n from 4.0.0 to 3 .11.0, the configuration will be deleted. It is recommended that you save the confi guration before upgr ading the software. T o open the Download/Upload menu, select Download/Upload in the main menu.
149 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Use the following s teps to update the switch sof tware: 1. Use a term i nal emul ation pro g ram, w hich su pports the X-modem p rotocol. 2. Insert the upgr ade disk in your terminal emu lator dri ve.
150 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n TFTP Download/ U pload Screen Open this screen fro m the main menu by s electing Download/Upl oad → → → → TFTP Download/Upload ... The following is an example o f the TFTP Download/Upload screen.
151 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide ➽ Note! W hen upgradi ng the boot code, append t he str i ng *boo t t o the filename when entering the filename. F or example, to do wnload the 2.
152 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Reset Screen To open this screen, select Reset.
153 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Rese t P or t Address T able Selecting this command clears all address table entries for a specified port (u ser is queried for which port to reset), sets por t traffic counters to zero, and sets Time Sinc e Last Reset for this port to zero.
154 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n.
155 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide 7. Monitoring the Netw ork fr om the Console Statistics M.
156 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Statist ics Men u To open the Statis tics menu, select Statistics.
157 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Switc h Statist ics Screen To open this screen from the main men u, select St atistics → → → → Switch Statistics .
158 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Error Frames R eceived Number of fram es received ( by the CPU) that were corrupted or have CRC errors.
159 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide P ower Suppl y In f orm ation Screen To open this screen from the main men u, select St atistics → → → → Power Supply Informat ion .
160 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu P ort Status Scre en To open this screen fro m the main menu, select Statistics → → → → Port Status.
161 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Oper Mode The port operation mod e. Possible values are: • HDX port — Half-duplex mode in which only a dedicated connection to a station is supported.
162 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu P ort Statis tics Men u To open this screen fro m the main menu, select Statistics → → → → Port Status.
163 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide General Statistics Screen To open this screen , do the following: 1. Starting from th e main menu, select Statistics → → → → Po rt Statistics.
164 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu MA C Frames Forwarde d Number of MAC layer fram es forwar ded by the port. Note that MAC frames are not forwar ded to other port s, only to the CPU.
165 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Address Ch ain Overflows Number of address table chai n overflows. An overflow will result in an add ress being deleted from t he addres s table, which means a decr eas e in perf ormance.
166 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Ring Num ber Mismatch Indicates the number of ti mes that an incom ing frame did not co rrectly include the port ’ s ring number.
167 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide 802.5 Stat is tic s Scre en To open this screen , do the following: 1. Starting from th e main menu, select Statistics → → → → Po rt Statistics.
168 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu the destination addr ess and copied the fram e, and then .
169 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide T ransmi t Beacons The number of tim es this port has transmitted a beaco n frame.
170 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu 802.5 St ate Inf ormati on Scr een To open this screen, do the following: 1. Startin g from th e main menu, select Sta tistics → → → → Port Statistics.
171 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide attempt to enter the ring. Possible values are: No Open , Lobe Fa iled , Signal Loss , Inser tion Ti meout , Ring Failed , Beaconi ng , Dupli cate M AC Add ress , Request Failed , Remove Received , Open .
172 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu 802.5 DTR MA C Information Menu To open this screen, do the following: 1. Startin g from th e main menu, select Sta tistics → → → → Port Statistics.
173 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide TXI Inf ormation Sc reen To open this screen , do the following: 1. Starting from th e main menu, select Statistics → → → → Po rt Statistics.
174 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Initialize Statio n MAC frame. Valid range is from 0x00000000 to 0xFFFF FFFF. Join State This field displays the present state of the J o in FSM.
175 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Station-CP or t Inf ormation Screen To open this screen , do the following: 1. Starting from th e main menu, select Statistics → → → → Po rt Statistics.
176 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu It indicates the value o f the SPV(PD) variable and the value of the Phan t om subvector X'0C' used in the Regist ration Request MAC frame.
177 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Address T ab les Men u To open this menu f r om the main menu, select Statistics → → → → Address Tables.
178 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Master Addres s Table Screen To open this menu from the main menu, select Stati stic s → → → → Address Tables → → → → Master Addres s Table.
179 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide • Kno wn-<port type> Port <nn> — A kno wn address on port nn.
180 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu — Present on all p orts. • Broadcast — One of the tok en-ring broadcast addresse s. — Present on all p orts.
181 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Rou te (h e x) The route d escriptor t riplet: My ring number. Bridge Number.D istant ri ng. This field will always have th e format ###.
182 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu VLAN Address Table Screen To open this menu, do the following: 1. From th e main menu, select Sta tistics → → → → Address T ables.
183 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide VLAN Route Descriptor T able Screen To open this menu, do the following: 1. From the main menu, select Sta tistics → → → → Address T ables.
184 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Locate MAC Address Screen To open this menu, do the following: 1. From th e main menu, select Sta tistics → → → → Address T ables.
185 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Current Spanning T ree Inf ormation Screen To open this screen from the main men u, select St atistics → → → → Current Spanning Tree Information.
186 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Hello Time Time (in s econds) tha t t he root waits bet ween sending configuration mess ages.
187 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide • A CRF that does no t connect to ot her switc hes or bridges is al ways forward i ng.
188 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Current Spanning T ree Information f or a CRF Screen To open this screen, do the following: 1. From th e main menu, select Sta tistics → → → → Curr ent Spanning T ree Inf ormation.
189 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Hello Time Time (in s econds) t hat the ro ot waits between s ending configurati on messag es.
190 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Dsg SwId/BrId ( Designated Bridg e ID) A unique bridge i .
191 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide VLAN Statistics If you select VLAN Statis tics, y ou will be prompted for a VLAN t ype. On se lection of the VLAN type, a screen will be displayed listing available VLANs an d prompting for a selection.
192 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Po r t s List of ports that belong to this CRF. VLAN Statistics for BRF Screen To open the VLAN Statistics screen for BRF, do the following: 1.
193 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide DSRR Status Screens You access the DSRR related status screens by selecting by selecting Stati stics → → → → DSRR Status .
194 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu DSRR Neighbor T able S creen Open this screen fro m the main menu by s electing Statistics → → → → DSRR Status .
195 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide DSRR Acting as Bac k up T able S creen Open this men u from th e main menu by selecti ng Stat ist ics → → → → DSRR Status .
196 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Diag nostic T est Results Screen To open this screen fro m the main menu, select Statistics → → → → Diagnostic Test Results.
197 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Message Log Inf ormation Screen To open this screen from the main men u, select St atistics → → → → Messag e Log Informat ion.
198 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Back Shows the previou s screen (if any). Start/End Move to the f irst or la st page. Clear Clear all messages.
199 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Displa y Summary Screen To open this screen from the main men u, select St atistics → → → → Display Su mmary.
200 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu.
201 Monitoring the Network with SNMP SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 8. Monitoring the Netw ork with SNM P This chapter explains how to m onitor t he Sm.
202 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Net work with SNMP SNMP Co nfiguration Use the SNM P Configurati on screen and all of its submenus to configure specific attributes related to SN MP.
203 Monitoring the Network with SNMP SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide SNMP over MA C... Enables or disables SNMP transport ov er the MAC pr otocol. The S NMP over MAC protoco l is used by t he Clear Sight management ap plication.
204 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Net work with SNMP Entries are displayed in the order in which they are encountered. There is a limit of five commu nity stri ngs. Community str ing table entries are saved when you select Return .
205 Monitoring the Network with SNMP SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide T rap Receiver s Screen To open this screen from the main men u, select Configuration → → → → SNMP Configura tion → → → → Trap Receivers.
206 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Net work with SNMP Add Entry Adds a new entry to the t rap rece i ver table. Delete Entry Deletes an entry from the tr ap receiver table. Change Entry Modifies an entry in the t rap rec ei ver table.
207 Monitoring the Network with SNMP SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide An authenticationFail ure trap signifies that the sending protocol entity is the addressee of a pr otocol message that is not properl y authenticated.
208 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Net work with SNMP STS16Dupl icateBridg e This trap is ge nerated when a dup l icated bridge nu mber is detected on a port in a CRF. STS16Ri ngNumb erMism atch This trap is ge nerated when a mismatch in rin g numbers is detected on a po rt in a CRF.
209 Monitoring the Network with SNMP SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide This trap is sent when one of the links in an CrossLink fail. The variable STS16 CLPorts cont ains the p orts which ar e operational in the C rossLink.
210 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Net work with SNMP.
211 Monitoring Port T raffic SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 9. Monitorin g P or t T raffic The SmartStack STS16-20D/STS16-20R allows you to configu r e a Switched Port Analyzer function fo r monitoring traff ic on a po rt.
212 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring Port Tr aff ic will receive all the traffic (includi ng MAC frames). If the monitored port is in FDX mode, only h alf the traffic will be receiv ed on the analyzer p ort.
213 Monitoring Port T raffic SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Sw itched P o r t An alyze r Sc reen To open this scr een from the m ai n menu, select Co nfiguration → → → → Switched Port Analyzer .
214 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring Port Tr aff ic.
215 Tr oubleshooting SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide 10. T r oublesho oting This chapter contains procedures that help you tro ubleshoot problems with a s witch and its con nections to other devices. Obtaining Service There are no serviceable p arts inside the SmartStack STS16-20 D /Sys16-20R.
216 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide T roubleshooting 4. In T able 15, locate the symptom t hat best des cribes t he communi cation pr oblem and the LED patter n you observed. T h en, go t o the section t hat contains th e recommended act ions for r esolving the probl em and f ollo w that procedure.
217 Tr oubleshooting SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide 2. Reset the switch b y disconnecting the po wer cord, waiting 1 0 seconds, an d then reconnecting it to the electrical outlet. If the problem goes away , resume using the switch.
218 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide T roubleshooting — If the port INSR T LED is of f, the port is probably disabled. Check that the port conf iguration matc hes the attached de vice, and then go t o Step 3.
219 Tr oubleshooting SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide ➽ Not e: If a switch port is conf igured to “ speed auto sense ” mode, and is connected to shared-media where there are no activ e stations, the port will not open until another station becomes active and s ets the r ing speed.
220 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide T roubleshooting.
221 Getting in T ouch with T echnical Support SmartStack STS16-20D/STS16-20R T ok en Ring Switches Installation and Us er Guide 11. Getting in T ouc h with T echnical Su ppor t For addi tional supp or.
222 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Getting in T ouch with T echnical Support Pr o blem Repor t For m Fill in both sid es of this Problem Repo rt Form, print out the relevant sy stem configur ation files and fax or mail to Cabletron Systems Technical Support.
223 Getting in T ouch with T echnical Support SmartStack STS16-20D/STS16-20R T ok en Ring Switches Installation and Us er Guide ❏ Problem Description Network Inst allation Sketch.
224 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Getting in T ouch with T echnical Support.
225 Abbreviations SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Appendix A. Abbre viations AMP Active Monitor Present ARE All-R outes E xpl orer ARP Addres s Reso l.
226 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Abbreviations IEEE Institute of Electrical and Electro nics Engineers LAA Local Admi nistrated A ddress LAN Local Ar.
227 Abbreviations SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide SNAP Subnetwork Access Protocol SNMP Simple Networ k Mana gemen t Protoc ol SPAN Switched Por t Anal.
228 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Abbreviations.
229 Cable and Pin Information SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Appendix B. Cab le and Pi n Inf ormation This appendix provides information on cables that can be used with the SmartStack STS16-20 D/STS16 -20R.
230 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cable and Pin Information Management P ort Pin-Out TIA/EIA-232 Modem Cable Connections Use a standard straig ht-through modem cab le to connect the switch ’ s MANAGEMENT port t o a modem.
231 Cable and Pin Information SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Figure 28. TIA/EIA-232 Null-Mod em Cab le f or 25-pin Connector Use a null-modem (cros s over) cable s hown in Figure 29 to connect the MANAGEMENT port to a terminal (DTE) with a 9-pin connector.
232 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cable and Pin Information T wisted-P air Cab le Pin Outs When connecting devices to the token-rin g ports on the switch, you must u s e a straight-throug h cable. Diagrams of these cables fo llow.
233 Cable and Pin Information SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Cabling Recommendations The tables in t his secti on contain t he maximum s upported lobe len gths. The maximum lengt hs refl ect the lon gest length s supported by t he transm ission characteristics of IEEE 802.
234 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cable and Pin Information if using any 4 Mbps only adapters or filters).
235 Cable and Pin Information SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Cable Length and Lobe Wiring Rules f or Shared-Media LAN Segments The types of cables that can b e used in s hared-media segments (half-duplex) are the same as th ose described for dedicated-media s egments on page 2 34.
236 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cable and Pin Information.
index-1 Index SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Numerics 802.5 17 802.5 DT R MAC Informati on menu 172 802.
index-2 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Inde x Dow nload /Uplo ad men u 147 DSAP 225 DSRR 32, 33 , 34 DSRR Acting as Ba ckup Tab le screen 195 DSRR co n.
index-3 Index SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Filters and Port Security 117 navigati on 77 Password 130 Prot ocol Fi lters 122 Statistics 156 VLAN Co.
index-4 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Inde x Master Address Table Aging 129 Master Route Descriptor Table 180 Message Log Info rmation 19 7 Module Inf.
index-5 Index SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide T table moun ting 59 TCP/IP 227 Techn ical Support 221 Telnet C onfigurat ion screen 135 Telnet Mana ge.
index-6 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Inde x.
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Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Cabletron Systems STS16-20D c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Cabletron Systems STS16-20D - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Cabletron Systems STS16-20D, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Cabletron Systems STS16-20D va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Cabletron Systems STS16-20D, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Cabletron Systems STS16-20D.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Cabletron Systems STS16-20D. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Cabletron Systems STS16-20D ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
