Cisco Systems uBR7200 manual Headend Broadband Access Router Configuration Tasks, MC-534

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Configuring Headend Broadband Access Router Features

Headend Broadband Access Router Configuration Tasks

Diplex filters installed in the downstream RF path between the cable modems and the cable modem cards in the Cisco uBR7200 series. Diplex filters are used to convert the single, bidirectional signals used by cable modems to the two separate unidirectional signals used by the cable modem cards.

RG-59 headend coaxial cable with the maximum braid available (60 percent + 40 percent braid), double foil, and the correct connector for this cable. The center conductor must be straight and extend 1/8 inch (3.2 mm) beyond the end of the connector. The connector should be securely crimped to the cable.

Complete a basic configuration of the Cisco uBR7200 series. This includes, as a minimum, the following tasks:

Configure a host name and password for the Cisco uBR7200 series. For more information about how to configure a host name and password, refer to the Cisco uBR7200 Series Installation and Configuration Guide.

Configure the Cisco uBR7200 series to support IP. For more information about how to configure IP, refer to the “IP Overview,” “IP Addressing and Services,” and “IP Routing Protocols” chapters in the Cisco IOS IP and IP Routing Configuration Guide.

Install and configure at least one port adapter to provide WAN connectivity. The

Cisco uBR7200 series supports the following port adapters: 4-port 10Base-T Ethernet, 8-port 10Base-T Ethernet, 100Base-T Fast Ethernet, ATM, and HSSI.

For information about installing and configuring port adapters, refer to the installation and configuration guide for the port adapter(s) you are using.

Install at least one Cisco cable modem card in the appropriate slot of Cisco uBR7200 series chassis. For information about installing the Cisco cable modem card, refer to the Cisco uBR7200 Series Universal Broadband Router Hardware Installation Guide.

Headend Broadband Access Router Configuration Tasks

The Cisco IOS software CLI is used to configure the Cisco cable modem card for correct operation on the HFC network. To configure the Cisco cable modem card, perform the tasks described in the following sections. For some tasks, the default values are adequate to configure the device; these configuration tasks are optional.

Configuring the Downstream Cable Interface

Configuring the Upstream Cable Interface

Configuring and Activating Baseline Privacy (Optional)

Configuring and Activating Frequency Agility (Optional)

Activating IP Address Resolution Protocol (Optional)

Activating Host-to-Host Communication (Proxy ARP) (Optional)

Configuring DHCP Options

Setting Service Options

Setting Optional IP Parameters (Optional)

Configuring Cable Profiles (Optional)

Managing Cable Modems on the HFC Network (Optional)

Cisco IOS Multiservice Applications Configuration Guide

MC-534

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Contents Configuring Headend Broadband Access Router Features MC-519Headend Overview MC-520Topology of a Typical Broadband Network Voice over IP Services Telco Return MC-523MC-524 TODQoS Features Service Class ProfilesMultiple Service IDs MC-525QoS Profile Enforcement TAG/NetFlow SwitchingMC-526 Netflow Switching Tag SwitchingMC-527 Security Features Weighted Random Early DetectionWeighted Fair Queueing Committed Access Rate CARCable Modem and Multicast Authentication Using Radius Docsis Baseline PrivacyUpstream Address Verification MC-529Traffic Shaping Features Operations and Provisioning FeaturesDynamic Ranging MC-530Downstream Channel ID Configuration Burst Profile ConfigurationDownstream Frequency Override CPE LimitationSpectrum Management Headend Broadband Access Router Configuration Prerequisites MC-533Headend Broadband Access Router Configuration Tasks MC-534Configuring the Downstream Cable Interface CMTS01# configure terminalCMTS01config# interface cable 6/0 Activating the Downstream CarrierSetting the Downstream Center Frequency Troubleshooting TipsVerifying the Downstream Carrier MC-536Verifying the Downstream Center Frequency CMTS01config-if#cable downstream frequencyMC-537 Setting the Downstream Channel ID Setting the Downstream Mpeg Framing Format Annex BVerifying the Downstream Channel ID MC-538Setting the Downstream Modulation Verifying the Downstream Mpeg Framing FormatVerifying the Downstream Modulation MC-539Setting the Downstream Interleave Depth CMTS01config-if#cable downstream interleave-depthVerifying the Downstream Interleave Depth MC-540Verifying the Downstream Helper Address Setting the Downstream Helper AddressMC-541 Setting Downstream Rate Limiting MC-542Verifying Downstream Rate Limiting Configuring the Upstream Cable InterfaceMC-543 Setting the Upstream Frequency MC-544MC-545 Verifying the Upstream FrequencyCMTS01# show controllers cable 6/0 u0 Setting the Upstream Channel Width Verifying Upstream Channel WidthMC-546 Channel-width widthSetting the Upstream Input Power Level MC-547Verifying the Upstream Input Power Level Activating Upstream Admission ControlVerifying Upstream Admission Control MC-548Activating Upstream FEC MC-549Router# more systemrunning-config Specifying Upstream Minislot SizeVerifying Upstream FEC MC-550Verifying Upstream Minislot Size Activating the Upstream ScramblerMC-551 CMTS01config-if#cable upstream usport scrambler CMTS01# more systemrunning-configVerifying the Upstream Scrambler MC-552Activating Upstream Differential Encoding Activating Upstream Rate LimitingVerifying Upstream Differential Encoding MC-553Verifying Upstream Rate Limiting CMTS01config-if#no cable upstream usport rate-limitMC-554 Frequency-adjust averaging percentage Activating Upstream Frequency AdjustmentMC-555 Verifying Upstream Frequency Adjustment Activating Upstream Power AdjustmentMC-556 Activating Upstream Timing Adjustment Verifying Upstream Power AdjustmentMC-557 Continue secondsActivating the Upstream Ports Verifying Upstream Timing AdjustmentMC-558 Verifying the Upstream Ports Setting Upstream Backoff ValuesMC-559 CMTS01config-if#cable upstream usport range MC-560Data-backoff start end Data-backoff automaticVerifying Upstream Data Backoff Automatic Configuring and Activating Baseline PrivacyMC-561 CMTS01config-if#cable privacy kek grace-time Configuring KEK PrivacyMC-562 Configuring TEK Privacy Verifying KEK PrivacyVerifying TEK Privacy MC-563Configuring and Activating Frequency Agility Activating Baseline PrivacyVerifying Baseline Privacy MC-564Combiner Groups MC-565Frequency Management Policy MC-566Determining the Upstream Ports Assigned to a Combiner Group MC-567Configuring and Activating Spectrum Groups Creating Spectrum GroupsVerifying Spectrum Groups MC-568Command Purpose MC-569MC-570 Verifying Frequency Hopping Verifying Spectrum Group ConfigurationMC-571 Configuring Spectrum Group Characteristics MC-572Verifying Spectrum Group Characteristics CMTS01config# cable spectrum-group groupnum hopMC-573 Threshold percentActivating IP Address Resolution Protocol Assigning the Spectrum Group and the Upstream PortsActivating Cable ARP Requests Verifying Spectrum Group and Upstream Port AssignmentsVerifying ARP Requests Activating Host-to-Host Communication Proxy ARPMC-575 Configuring Dhcp Options Activating Cable Proxy ARP RequestsActivating Cable Relay Agent Verifying Cable Proxy ARP RequestsVerifying Dhcp giaddr Activation Activating Dhcp giaddrMC-577 Setting Service Options Setting Optional IP ParametersConfiguring ToD Service Verifying ToD ServiceActivating IP Multicast Echo Activating IP Broadcast EchoVerifying IP Multicast Echo MC-579Configuring Cable Profiles Configuring Cable Modulation ProfilesVerifying IP Broadcast Echo MC-580Number profile MC-581Verifying Cable Modulation Profiles Configuring QoS ProfilesMC-582 Verifying QoS Profiles MC-583Setting QoS Permission Enforcing a QoS Profile AssignmentVerifying QoS Permission MC-584Verifying a QoS Profile Assignment Managing Cable Modems on the HFC NetworkMC-585 Configuring Sync Message Interval Configuring Telco ReturnActivating Cable Modem Authentication Verifying Sync Message IntervalActivating Cable Modem Upstream Address Verification Verifying Cable Modem AuthenticationMC-587 CMTS01config-if#cable source-verify dhcp Activating Cable Modem Insertion IntervalVerifying Cable Modem Upstream Address Verification MC-588Verifying Cable Modem Insertion Interval CMTS01config-if#cable insertion-interval automaticMC-589 Verifying the Maximum Number of Hosts Configuring Cable Modem Registration TimeoutMC-590 Verifying Registration Timeout Clearing and Resetting Cable ModemsMC-591 Clearing Cable Modem Counters Verifying Cable Modem Clearing and ResettingMC-592 Using Ping Docsis Verifying that Cable Modem Counters are ClearedVerifying Ping Docsis MC-593Spectrum Management Configuration Example MC-594Virtual Private Network Configuration Example MC-595MC-596 Ip http server Ip http authentication local No cdp run MC-597VoIP Configuration Example MC-598MC-599 Ip subnet-zero No ip domain-lookupTelco Return Configuration Example MC-600Cable telco-return enable MC-601QoS Profile Enforcement Configuration Example Cable Modem all resetMC-602 Cable RegTroubleshooting Using Cable Flap Lists Setting Cable Flap List AgingCMTS01config# cable flap-list aging days MC-603Setting Cable Flap List Insertion Time Setting Cable Flap List Power Adjustment ThresholdVerifying Cable Flap List Aging Verifying Cable Flap List Insertion TimeSetting Cable Flap List Miss Threshold Verifying Cable Flap List Power Adjustment ThresholdCMTS01config# cable flap-list miss-threshold misses Verifying Cable Flap List Miss ThresholdSetting Cable Flap List Size Clearing Cable Flap ListVerifying Cable Flap List Size MC-606
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