Manuel d'utilisation / d'entretien du produit uBR7200 du fabricant Cisco Systems
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MC-519 Cisco IOS Multiservice Applic ations Configu ration Gu ide Configuring Headend Broadband Access Router Features This chapter contains procedures fo r configu ring the Cisco uBR7200 series uni versal broadband routers using the Ci sco command -line inte rface (CLI).
Configuring Headen d Broadband Access Router Features Headend Overview MC-520 Cisco IOS Multiservice Applications Configuration Gu ide Headend Overview a W AN backbone and a hybrid fiber -coaxial (HFC) cable network.
Configuring Headen d Broadband Access Router Feat ures Headend Overview Cisco IOS Multiservice Applic ations Configur ation Guide Figur e 1 06 T opolog y of a T ypical Br oadban d Netw or k Cisco uBR7200 series routers support the DOCSIS 1.
Configuring Headen d Broadband Access Router Features Voice over IP Services Cisco IOS Multiservice Applications Configuration Gu ide • Data interfaces for cable modems and C PE devices, as well as the CMTS network-side interface between the Cisco uBR7200 series routers and t he data network.
Configuring Headen d Broadband Access Router Feat ures Telco Return MC-523 Cisco IOS Multiservice Applic ations Configur ation Guide Figur e 1 07 T w o-W ay IP T elephon y Networ k Diagram The Cisco u.
Configuring Headen d Broadband Access Router Features Telco Return MC-524 Cisco IOS Multiservice Applications Configuration Gu ide Cisco uBR7200 series input/output (I/O) contr oller or ap p licable port adapter . Up stream data is through a telephone modem typically conn ected to an anal og tel ephone line.
Configuring Headen d Broadband Access Router Feat ures QoS Features MC-525 Cisco IOS Multiservice Applic ations Configur ation Guide QoS Features The Cisco uBR7200 series uni versal bro adband routers support QoS as d efin ed by the DOCSIS 1.0 specification.
Configuring Headen d Broadband Access Router Features QoS Fea tures MC-526 Cisco IOS Multiservice Applications Configuration Gu ide Multiple SIDs pro vide the follo wing functionality: • V oice traf.
Configuring Headen d Broadband Access Router Feat ures QoS Features MC-527 Cisco IOS Multiservice Applic ations Configur ation Guide • Source and destination TCP/UDP port n umbers • IP protocol ty.
Configuring Headen d Broadband Access Router Features Security Features MC-528 Cisco IOS Multiservice Applications Configuration Gu ide Weighted Random Early Detection W eighted Random Early Detection (WRED) enables y ou to specify traf fic handling policies to maximize throughput under congestion condition s.
Configuring Headen d Broadband Access Router Feat ures Security Features MC-529 Cisco IOS Multiservice Applic ations Configur ation Guide DOCSIS Baseline Privacy The Cisco uBR7200 series routers support DOCSIS base line pri v acy (BPI).
Configuring Headen d Broadband Access Router Features Traffic Shaping Features MC-530 Cisco IOS Multiservice Applications Configuration Gu ide Traffic Shaping Features T raf fic shaping is a Cisc o patent-pe nding feature t hat conserves bandwidth by reducing the chances that information will be ret ransmitted to hosts on the HFC networ k.
Configuring Headen d Broadband Access Router Feat ures Operations and Provisioning Features MC-531 Cisco IOS Multiservice Applic ations Configur ation Guide Downstream Channel ID Configuration Down st.
Configuring Headen d Broadband Access Router Features Spectrum Manageme nt MC-532 Cisco IOS Multiservice Applications Configuration Gu ide Per-Modem and per-Host Access Lists Per- modem and per-h ost .
Configuring Headen d Broadband Access Router Feat ures Headend Broadband Access Router Configu ration Prerequisites MC-533 Cisco IOS Multiservice Applic ations Configur ation Guide data. The DOCSIS specif ication sets the mi nimum v alu e for both of these parameters t o 25 dB in the 5-MHz to 42-MH z frequency range.
Configuring Headen d Broadband Access Router Features Headend Broadba nd Access Router Configuration Tasks MC-534 Cisco IOS Multiservice Applications Configuration Gu ide – Diplex f ilters installed in the do wnstream RF path between the cable mo dems and the cable modem cards in the Cisco uBR7200 series.
Configuring Headen d Broadband Access Router Feat ures Configuring the Dow nstream Cable Interface MC-535 Cisco IOS Multiservice Applic ations Configur ation Guide Configuring the Downstream Cable Interface The first st ep in conf iguring the Cisco cable modem interface is to conf igure the downstream cable interface.
Configuring Headen d Broadband Access Router Features Configuring the Downstream Cable Interface MC-536 Cisco IOS Multiservice Applications Configuration Gu ide Verifying the Downstream Carrier T o ve.
Configuring Headen d Broadband Access Router Feat ures Configuring the Dow nstream Cable Interface MC-537 Cisco IOS Multiservice Applic ations Configur ation Guide • Although some DOCSIS cable modems will search on 250 kHz step size, use o f non-NTSC channel plans could signif icantly increase the cable modem installation t ime.
Configuring Headen d Broadband Access Router Features Configuring the Downstream Cable Interface MC-538 Cisco IOS Multiservice Applications Configuration Gu ide Setting the Downstream Channel ID T o a.
Configuring Headen d Broadband Access Router Feat ures Configuring the Dow nstream Cable Interface MC-539 Cisco IOS Multiservice Applic ations Configur ation Guide Verifying the Downstream MPEG Framin.
Configuring Headen d Broadband Access Router Features Configuring the Downstream Cable Interface MC-540 Cisco IOS Multiservice Applications Configuration Gu ide Troubleshooting Tips T o troubleshoot the con fi guration, perform th e follo wing tasks: • Make sure the cable co nnections are not loose or disconn ected.
Configuring Headen d Broadband Access Router Feat ures Configuring the Dow nstream Cable Interface MC-541 Cisco IOS Multiservice Applic ations Configur ation Guide Setting the Downstream Helper Address Specify an IP address of a DHCP server where UD P broadcast (DHCP) packets will be sent.
Configuring Headen d Broadband Access Router Features Configuring the Downstream Cable Interface MC-542 Cisco IOS Multiservice Applications Configuration Gu ide • If the cable modems acquire an RF a.
Configuring Headen d Broadband Access Router Feat ures Configuring the Upst ream Cable Inte rface MC-543 Cisco IOS Multiservice Applic ations Configur ation Guide Verifying Downstr eam Rate Limiting T.
Configuring Headen d Broadband Access Router Features Configuring the Upstrea m Cable Interface MC-544 Cisco IOS Multiservice Applications Configuration Gu ide • Acti v a ting Upstream Dif ferential.
Configuring Headen d Broadband Access Router Feat ures Configuring the Upst ream Cable Inte rface MC-545 Cisco IOS Multiservice Applic ations Configur ation Guide T o set a fixed upstream frequenc y ,.
Configuring Headen d Broadband Access Router Features Configuring the Upstrea m Cable Interface MC-546 Cisco IOS Multiservice Applications Configuration Gu ide Setting the Upstream Channel Width Enter the channel width in H z.
Configuring Headen d Broadband Access Router Feat ures Configuring the Upst ream Cable Inte rface MC-547 Cisco IOS Multiservice Applic ations Configur ation Guide • Use a recommended or pre viously tested modulation prof ile. It is not un common to create a modulation pro fi le that does not allo w cable m odem-to-headend communi cation.
Configuring Headen d Broadband Access Router Features Configuring the Upstrea m Cable Interface MC-548 Cisco IOS Multiservice Applications Configuration Gu ide Verifying the Upstream Input Power Level.
Configuring Headen d Broadband Access Router Feat ures Configuring the Upst ream Cable Inte rface MC-549 Cisco IOS Multiservice Applic ations Configur ation Guide Troubleshooting Tips T o troubleshoot the con fi guration, perform th e follo wing tasks: • Make sure the cable co nnections are not loose or disconn ected.
Configuring Headen d Broadband Access Router Features Configuring the Upstrea m Cable Interface MC-550 Cisco IOS Multiservice Applications Configuration Gu ide Verifying Upstrea m FEC T o verify if FEC is activ ated or deactiv ated, enter the more system:running-conf ig command and look for the cable interface conf iguration informati on.
Configuring Headen d Broadband Access Router Feat ures Configuring the Upst ream Cable Inte rface MC-551 Cisco IOS Multiservice Applic ations Configur ation Guide Verifying Upstream Minislot Size T o .
Configuring Headen d Broadband Access Router Features Configuring the Upstrea m Cable Interface MC-552 Cisco IOS Multiservice Applications Configuration Gu ide Caution The upstream scrambler must be acti vated for normal operation. Di sabling it can result in corrupted pack ets.
Configuring Headen d Broadband Access Router Feat ures Configuring the Upst ream Cable Inte rface MC-553 Cisco IOS Multiservice Applic ations Configur ation Guide Activating Upstream Differential Enco.
Configuring Headen d Broadband Access Router Features Configuring the Upstrea m Cable Interface MC-554 Cisco IOS Multiservice Applications Configuration Gu ide T o enable upstream rate limiting for an.
Configuring Headen d Broadband Access Router Feat ures Configuring the Upst ream Cable Inte rface MC-555 Cisco IOS Multiservice Applic ations Configur ation Guide Step 4 Make the cable modem exceed its peak upstream rate b y generating hea vy upstream traff ic and see the effect of gr ant b uf fering (shaping) at the CMTS.
Configuring Headen d Broadband Access Router Features Configuring the Upstrea m Cable Interface MC-556 Cisco IOS Multiservice Applications Configuration Gu ide Verifying Upstream Frequency Adjustment .
Configuring Headen d Broadband Access Router Feat ures Configuring the Upst ream Cable Inte rface MC-557 Cisco IOS Multiservice Applic ations Configur ation Guide T o return the automatic upstr eam po.
Configuring Headen d Broadband Access Router Features Configuring the Upstrea m Cable Interface MC-558 Cisco IOS Multiservice Applications Configuration Gu ide T o return the upstream time adjust ment.
Configuring Headen d Broadband Access Router Feat ures Configuring the Upst ream Cable Inte rface MC-559 Cisco IOS Multiservice Applic ations Configur ation Guide T o acti v ate the upstream ports, us.
Configuring Headen d Broadband Access Router Features Configuring the Upstrea m Cable Interface MC-560 Cisco IOS Multiservice Applications Configuration Gu ide Y o u can set fixed start and end values for data backof f o n the upstream ports, or y ou can set the upstream ports for automat ic data backoff.
Configuring Headen d Broadband Access Router Feat ures Configuring and Activa ting Baseline Privacy MC-561 Cisco IOS Multiservice Applic ations Configur ation Guide Verifying Upstream Data Backoff Aut.
Configuring Headen d Broadband Access Router Features Configuring and A ctivating Baseline Privacy MC-562 Cisco IOS Multiservice Applications Configuration Gu ide A KEK is assigned to a cable modem based on th e cable modem SID and permits the cabl e modem to connect to the Cisco uBR7200 series when baseline pri v acy is acti vated.
Configuring Headen d Broadband Access Router Feat ures Configuring and Activa ting Baseline Privacy MC-563 Cisco IOS Multiservice Applic ations Configur ation Guide Verifying KEK Privacy T o verify th.
Configuring Headen d Broadband Access Router Features Configuring and Activ ating Frequency Agility MC-564 Cisco IOS Multiservice Applications Configuration Gu ide Activating Baseline Privacy After th.
Configuring Headen d Broadband Access Router Feat ures Configuring and Activa ting Frequency Agility MC-565 Cisco IOS Multiservice Applic ations Configur ation Guide Figure 1 09 Sparse V ersus De nse Segment Illustrations As sho wn in Figure 109, the do wnstream seg ment can contain multi ple upstream segments .
Configuring Headen d Broadband Access Router Features Configuring and Activ ating Frequency Agility MC-566 Cisco IOS Multiservice Applications Configuration Gu ide Frequency Management Policy Upstream port frequenc y should be set t o a f ixed v alue during system installatio n and testing .
Configuring Headen d Broadband Access Router Feat ures Configuring and Activa ting Frequency Agility MC-567 Cisco IOS Multiservice Applic ations Configur ation Guide • Config uring Spectrum Gr oup C.
Configuring Headen d Broadband Access Router Features Configuring and Activ ating Frequency Agility MC-568 Cisco IOS Multiservice Applications Configuration Gu ide Creating Spectrum Groups T o create .
Configuring Headen d Broadband Access Router Feat ures Configuring and Activa ting Frequency Agility MC-569 Cisco IOS Multiservice Applic ations Configur ation Guide T o configur e and acti vate a spe.
Configuring Headen d Broadband Access Router Features Configuring and Activ ating Frequency Agility MC-570 Cisco IOS Multiservice Applications Configuration Gu ide The follo wing example enables spect.
Configuring Headen d Broadband Access Router Feat ures Configuring and Activa ting Frequency Agility MC-571 Cisco IOS Multiservice Applic ations Configur ation Guide Note There are no alternate frequenc y assignments for either port and bandw idth is wasted from 24.
Configuring Headen d Broadband Access Router Features Configuring and Activ ating Frequency Agility MC-572 Cisco IOS Multiservice Applications Configuration Gu ide If you do not ha ve an RF tone gener ator , use anothe r line card and modem that carries traf fic.
Configuring Headen d Broadband Access Router Feat ures Configuring and Activa ting Frequency Agility MC-573 Cisco IOS Multiservice Applic ations Configur ation Guide T o adjust the freq uency ho p thr.
Configuring Headen d Broadband Access Router Features Activating IP Address Re solution Protocol MC-574 Cisco IOS Multiservice Applications Configuration Gu ide Assigning the Spectrum Group and the Up.
Configuring Headen d Broadband Access Router Feat ures Activating Host-to-Host Co mmunication (Proxy ARP) MC-575 Cisco IOS Multiservice Applic ations Configur ation Guide Verifying ARP Requests T o ve.
Configuring Headen d Broadband Access Router Features Configuring DHCP Options MC-576 Cisco IOS Multiservice Applications Configuration Gu ide Activating Cable Proxy ARP Requests T o activ ate cable p.
Configuring Headen d Broadband Access Router Feat ures Configuring DHCP Options MC-577 Cisco IOS Multiservice Applic ations Configur ation Guide W ith the ca ble relay agent acti vated, the Cisco u BR7200 series will insert the cable modem MA C address into a DHCP pack et when a pack et is re cei ved from a cable modem or another host.
Configuring Headen d Broadband Access Router Features Setting Service Options MC-578 Cisco IOS Multiservice Applications Configuration Gu ide Troubleshooting Tips T o troubleshoot the con fi guration, perform th e follo wing tasks: • Make sur e you entered th e correct por t and cabl e modem card slot numb er when you acti v ated DHCP giaddr .
Configuring Headen d Broadband Access Router Feat ures Setting Optional IP Paramete rs MC-579 Cisco IOS Multiservice Applic ations Configur ation Guide Activating IP Multicast Echo The Cisco uBR7200 series echoes IP mult icast packets by def ault.
Configuring Headen d Broadband Access Router Features Configuring Cable Profiles MC-580 Cisco IOS Multiservice Applications Configuration Gu ide T o disable IP broadcast echo (th e default setti ng), enter the no cable ip-br oadcast-echo command in cable interface configuration mode.
Configuring Headen d Broadband Access Router Feat ures Configuring Cable Profiles MC-581 Cisco IOS Multiservice Applic ations Configur ation Guide The follo wing modu lation prof ile v a lues can be changed: • Interv al usage code (iuc)—V a lid v alues are init ial, long, reqdata, request, short, and station.
Configuring Headen d Broadband Access Router Features Configuring Cable Profiles MC-582 Cisco IOS Multiservice Applications Configuration Gu ide Verifying Cable M odulation Profiles T o verify whet he.
Configuring Headen d Broadband Access Router Feat ures Configuring Cable Profiles MC-583 Cisco IOS Multiservice Applic ations Configur ation Guide Note Y o u can use a single cable qos-prof ile command to conf igure multiple paramet ers for the selected QoS prof ile number .
Configuring Headen d Broadband Access Router Features Configuring Cable Profiles MC-584 Cisco IOS Multiservice Applications Configuration Gu ide Setting QoS Permission The Cisco uBR7200 series rou ter supports the cr eation of QoS t able entries b y SNMP or b y cable modem registration requests.
Configuring Headen d Broadband Access Router Feat ures Managing Cable Mode ms on the HFC Network MC-585 Cisco IOS Multiservice Applic ations Configur ation Guide Verifying a QoS Profile Assignment T o.
Configuring Headen d Broadband Access Router Features Managing Cable Modems on the HFC Network MC-586 Cisco IOS Multiservice Applications Configuration Gu ide Configuring Sync Message Interval T o spe.
Configuring Headen d Broadband Access Router Feat ures Managing Cable Mode ms on the HFC Network MC-587 Cisco IOS Multiservice Applic ations Configur ation Guide Verifying Cable M odem Authentication .
Configuring Headen d Broadband Access Router Features Managing Cable Modems on the HFC Network MC-588 Cisco IOS Multiservice Applications Configuration Gu ide T o activ ate cable modem upstream addres.
Configuring Headen d Broadband Access Router Feat ures Managing Cable Mode ms on the HFC Network MC-589 Cisco IOS Multiservice Applic ations Configur ation Guide modem to join the netwo rk is kno wn as initial ra ngin g.
Configuring Headen d Broadband Access Router Features Managing Cable Modems on the HFC Network MC-590 Cisco IOS Multiservice Applications Configuration Gu ide Troubleshooting Tips T o troub leshoot the configuratio n, make sure that you entered the correct slot and po rt numbers wh en you typed the command.
Configuring Headen d Broadband Access Router Feat ures Managing Cable Mode ms on the HFC Network MC-591 Cisco IOS Multiservice Applic ations Configur ation Guide Verifying Registration Timeout T o ver.
Configuring Headen d Broadband Access Router Features Managing Cable Modems on the HFC Network MC-592 Cisco IOS Multiservice Applications Configuration Gu ide Verifying Cable Modem Clearing and Resett.
Configuring Headen d Broadband Access Router Feat ures Headend Broadband Access Router Configuration E xamples MC-593 Cisco IOS Multiservice Applic ations Configur ation Guide Verifying that Cable Modem Counters are Cleared T o verify whether the counters in the Station Maintenance List ha ve been cleared, enter the show cable flap list command.
Configuring Headen d Broadband Access Router Features Headend Broadba nd Access Router Configuration Examples MC-594 Cisco IOS Multiservice Applications Configuration Gu ide Spectrum Management Configuration Example In the follo wing example, the Cisco uBR7200 series is confi gured to suppor t spectrum management an d modulation pro fi les.
Configuring Headen d Broadband Access Router Feat ures Headend Broadband Access Router Configuration E xamples MC-595 Cisco IOS Multiservice Applic ations Configur ation Guide ! ! router eigrp 100 network 10.
Configuring Headen d Broadband Access Router Features Headend Broadba nd Access Router Configuration Examples MC-596 Cisco IOS Multiservice Applications Configuration Gu ide ip subnet-zero ip host abrick 223.255.254.254 ! ! ! interface FastEthernet0/0 ip address 10.
Configuring Headen d Broadband Access Router Feat ures Headend Broadband Access Router Configuration E xamples MC-597 Cisco IOS Multiservice Applic ations Configur ation Guide cable upstream 4 frequen.
Configuring Headen d Broadband Access Router Features Headend Broadba nd Access Router Configuration Examples MC-598 Cisco IOS Multiservice Applications Configuration Gu ide VoIP Configuration Example.
Configuring Headen d Broadband Access Router Feat ures Headend Broadband Access Router Configuration E xamples MC-599 Cisco IOS Multiservice Applic ations Configur ation Guide ! ! ! ip subnet-zero no ip domain-lookup ip host abrick 223.255.254.254 ip host muck 255.
Configuring Headen d Broadband Access Router Features Headend Broadba nd Access Router Configuration Examples MC-600 Cisco IOS Multiservice Applications Configuration Gu ide ! ! line con 0 exec-timeou.
Configuring Headen d Broadband Access Router Feat ures Headend Broadband Access Router Configuration E xamples MC-601 Cisco IOS Multiservice Applic ations Configur ation Guide ip address 24.
Configuring Headen d Broadband Access Router Features Headend Broadba nd Access Router Configuration Examples MC-602 Cisco IOS Multiservice Applications Configuration Gu ide ! radius-server host 24.1.1.78 auth-port 1645 acct-port 1646 radius-server key radius_server_key ! line con 0 password No need to change; this is encrypted already.
Configuring Headen d Broadband Access Router Feat ures Troubleshooting Usi ng Cable Flap Lists MC-603 Cisco IOS Multiservice Applic ations Configur ation Guide Troubleshooting Using Cable Flap Lists A.
Configuring Headen d Broadband Access Router Features Troubleshooting Using Cable Flap Lists MC-604 Cisco IOS Multiservice Applications Configuration Gu ide Verifying Cable Flap List Aging T o verify .
Configuring Headen d Broadband Access Router Feat ures Troubleshooting Usi ng Cable Flap Lists MC-605 Cisco IOS Multiservice Applic ations Configur ation Guide Verifying Cable Flap List Power Adjustme.
Configuring Headen d Broadband Access Router Features Troubleshooting Using Cable Flap Lists MC-606 Cisco IOS Multiservice Applications Configuration Gu ide Setting Cable Flap List Size Y ou can specify the maximum number of cable modems that can be listed in the cable flap list t ables.
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 Cisco Systems uBR7200 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 Cisco Systems uBR7200 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Cisco Systems uBR7200, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Cisco Systems uBR7200 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Cisco Systems uBR7200, 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 Cisco Systems uBR7200.
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 Cisco Systems uBR7200. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Cisco Systems uBR7200 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.
