Cisco 7246 - uBR Router Uživatelský manuál

Cisco uBR7246 Universal Broadband Router Feature Enhancements 1Cisco uBR7246 Universal BroadbandRouter Feature EnhancementsFeature SummaryThe enhance

Command Reference1012.0(3)Tcable flap-list agingTo specify the number of days to age the cable modem from the flap-list table, use the cable flap-listagi

cable flap-list aging Cisco uBR7246 Universal Broadband Router Feature Enhancements 11cable flap-list size Specifies the maximum number of modems that c

Command Reference1212.0(3)Tcable flap-list insertion-timeTo set the insertion time interval, use the cable flap-list insertion-time global configurationc

cable flap-list power-adjust threshold Cisco uBR7246 Universal Broadband Router Feature Enhancements 13cable flap-list power-adjust thresholdTo specify

Command Reference1412.0(3)Tcable flap-list sizeTo specify the maximum number of modems reported in the flap-list table, use the cable flap-listsize globa

cable helper-address Cisco uBR7246 Universal Broadband Router Feature Enhancements 15cable helper-addressTo specify a destination address for User Dat

Command Reference1612.0(3)Tcable insertion-intervalTo set the time between opportunities for cable modems to request a connection from theCisco uBR724

cable insertion-interval Cisco uBR7246 Universal Broadband Router Feature Enhancements 17Related CommandsCommand Descriptioncable insertion-interval S

Command Reference1812.0(3)Tcable match addressTo specify that IP multicast streams be encrypted, use the cable match address interfaceconfiguration com

cable modulation-profile Cisco uBR7246 Universal Broadband Router Feature Enhancements 19cable modulation-profileTo define the modulation profile, use th

Supported MIBs and RFC212.0(3)TSupported MIBs and RFCThe Cisco uBR7246 feature enhancements support the Radio Frequency (RF) InterfaceManagement Infor

Command Reference2012.0(3)TCommand HistoryUsage GuidelinesYou can use the no form of this command to remove all modulation profiles except modulationpr

cable privacy Cisco uBR7246 Universal Broadband Router Feature Enhancements 21cable privacyTo enable privacy in the system, use the cable privacy inte

Command Reference2212.0(3)TThe following example turns on BPI muticast authorization:Router(config-if)# cable privacy authorize-multicastRelated Comma

cable qos permission Cisco uBR7246 Universal Broadband Router Feature Enhancements 23cable qos permissionTo specify permission for updating the QoS ta

Command Reference2412.0(3)Tcable qos profileTo configure a QoS profile, use the cable qos profile global configuration command. Use the noform of this comm

cable qos profile Cisco uBR7246 Universal Broadband Router Feature Enhancements 25Command HistoryExampleThe following example configures QoS profile 4 w

Command Reference2612.0(3)Tcable relay-agent-optionTo enable the system to insert the cable modem MAC address into a DHCP packet received from amodem

cable shared-secret Cisco uBR7246 Universal Broadband Router Feature Enhancements 27cable shared-secretTo configure authentication and data privacy par

Command Reference2812.0(3)Tcable spectrum-group bandTo configure a continuous band setting for a spectrum group, use the cable spectrum-group bandgloba

cable spectrum-group band Cisco uBR7246 Universal Broadband Router Feature Enhancements 29ExamplesThe following example specifies that all the upstream

Benefits Cisco uBR7246 Universal Broadband Router Feature Enhancements 3Headend—Central distribution point for a CATV system. Video signals are receiv

Command Reference3012.0(3)Tcable spectrum-group frequencyTo configure a spectrum group to use a center frequency, use the cable spectrum-group frequenc

cable spectrum-group frequency Cisco uBR7246 Universal Broadband Router Feature Enhancements 31ExampleThe following example configures spectrum group 4

Command Reference3212.0(3)Tcable spectrum-group hop periodTo set the frequency-hop period, use the cable spectrum-group hop period global configuration

cable spectrum-group hop threshold Cisco uBR7246 Universal Broadband Router Feature Enhancements 33cable spectrum-group hop thresholdTo specify a hop

Command Reference3412.0(3)Tcable spectrum-group sharedTo specify that the upstream ports share the same spectrum, use the cable spectrum-group sharedg

cable upstream admission-control Cisco uBR7246 Universal Broadband Router Feature Enhancements 35cable upstream admission-controlTo specify the percen

Command Reference3612.0(3)Tcable upstream channel-widthTo specify an upstream channel width, use the cable upstream channel-width interfaceconfiguratio

cable upstream data-backoff Cisco uBR7246 Universal Broadband Router Feature Enhancements 37cable upstream data-backoffTo specify automatic or fixed st

Command Reference3812.0(3)Tcable upstream minislot-sizeTo specify a minislot size, use the cable upstream minislot-size interface configuration command

cable upstream modulation-profile Cisco uBR7246 Universal Broadband Router Feature Enhancements 39cable upstream modulation-profileTo assign a modulati

Configuration Tasks412.0(3)TConfiguring Spectrum GroupsYou can configure upstream frequency hop tables using cable spectrum-group commands. Start bydete

Command Reference4012.0(3)Tcable upstream range-backoffTo specify automatic or configured initial ranging backoff calculation, use the cable upstreamra

cable upstream rate-limit Cisco uBR7246 Universal Broadband Router Feature Enhancements 41cable upstream rate-limitTo set DOCSIS rate limiting for an

Command Reference4212.0(3)Tclear cable flap-listTo reset the flap-list table, use the clear cable flap-list privileged EXEC configuration command.clear ca

clear cable modem counters Cisco uBR7246 Universal Broadband Router Feature Enhancements 43clear cable modem countersTo reset a cable modem’s flapping

Command Reference4412.0(3)Tclear cable modem resetTo remove a modem from the Station Maintenance List and reset the modem, use the clear cablemodem re

ping cable-modem Cisco uBR7246 Universal Broadband Router Feature Enhancements 45ping cable-modemTo determine whether a specific cable modem is on line

Command Reference4612.0(3)Tshow cable flap-listTo display the cable flap-list, use the show cable flap-list privileged EXEC configuration command.show cab

show cable flap-list Cisco uBR7246 Universal Broadband Router Feature Enhancements 47Table 1 show cable flap-list Field DescriptionsField DescriptionMa

Command Reference4812.0(3)Tshow cable modemTo view configuration settings on the Cisco uBR7246, use the show cable EXEC command.show cable modem [ip-ad

show cable modem Cisco uBR7246 Universal Broadband Router Feature Enhancements 49Related CommandsTiming offset The cable modem’s current timing adjust

Verifying Cisco uBR7246 Universal Broadband Router Feature Enhancements 5VerifyingThe verification tasks required by this version of the Cisco uBR7246

Command Reference5012.0(3)Tshow cable modulation-profileTo display modulation profile group information, use the show cable modulation-profile privileged

show cable modulation-profile Cisco uBR7246 Universal Broadband Router Feature Enhancements 51.Related CommandsTable 3 show cable modulation-profile Fi

Command Reference5212.0(3)Tshow cable qos permissionTo display the status of permissions for changing QoS tables, use the show cable qos permissionpri

show cable qos profile Cisco uBR7246 Universal Broadband Router Feature Enhancements 53show cable qos profileTo display QoS profiles, use the show cable

Command Reference5412.0(3)TRelated CommandsTos value Value of the mask byte.Create by Identity of the profile creator.B priv enab Reports yes if Baseli

show cable spectrum-group Cisco uBR7246 Universal Broadband Router Feature Enhancements 55show cable spectrum-groupTo display information about spectr

Command Reference5612.0(3)TRelated CommandsInput PowerLevel Identifies the assigned decibels per millivolt (dBmV) inputlevel.Shared Topology Indicates

show controllers cable Cisco uBR7246 Universal Broadband Router Feature Enhancements 57show controllers cableTo display information about a specific ca

Command Reference5812.0(3)T DES Ctrl Reg#0 = C00C0C43, Reg#1 = 0Table 7 describes the fields shown in the show controllers cable upstream display.Tabl

show controllers cable Cisco uBR7246 Universal Broadband Router Feature Enhancements 59Related CommandsDES Ctrl Reg # = Interval DES controller regist

Command Reference612.0(3)TCommand ReferenceThis section documents new or modified commands. All other commands used with this feature aredocumented in

Command Reference6012.0(3)Tshow interface cableTo display cable interface information, use the show interface cable privileged EXEC command.show inter

show interface cable Cisco uBR7246 Universal Broadband Router Feature Enhancements 61Table 8 describes the fields shown in the show interface cable dis

Command Reference6212.0(3)TThe following is sample output for the downstream cable interface of slot 6 on port 0 from the showinterface cable downstre

show interface cable Cisco uBR7246 Universal Broadband Router Feature Enhancements 63The following is sample output for the upstream cable interface l

Command Reference6412.0(3)Tcorrected Number of error packets received through this upstream interfacethat were corrected.uncorrectable Number of error

show interface cable Cisco uBR7246 Universal Broadband Router Feature Enhancements 65Related CommandsCommand Descriptionshow interface cable sid Displ

Command Reference6612.0(3)Tshow interface cable sidTo display information by service identifier (SID) of each cable modem on the network, use the showi

show interface cable sid Cisco uBR7246 Universal Broadband Router Feature Enhancements 67If there are no cable modems connected to the cable interface

Command Reference6812.0(3)Tshow interface cable signal-qualityTo display information about the signal quality, use the show interface cable signal-qua

test cable atp cable Cisco uBR7246 Universal Broadband Router Feature Enhancements 69test cable atp cableTo run the acceptance test procedure on a por

Verifying Cisco uBR7246 Universal Broadband Router Feature Enhancements 7• show cable modulation-profile• show cable qos permission• show cable qos pro

Command Reference7012.0(3)TWaiting 30 seconds for new frequency to be effective.05:18:46: %UBR7200-5-USFREQCHG: Interface Cable2/0 Port U-1, frequency

test cable atp cable Cisco uBR7246 Universal Broadband Router Feature Enhancements 71*** 5-6. UCD count less than MAP change count test passed.Continu

Debug Commands7212.0(3)TDebug CommandsThe following debug cable commands have been added to or modified in this release of theCisco uBR7246 and are ava

debug cable mac Cisco uBR7246 Universal Broadband Router Feature Enhancements 73debug cable macUse the debugcable mac EXEC command to display MAC-laye

Debug Commands7412.0(3)T19:46:32: Ranging Modem with Sid 3 on i/f : Cable6/0/U019:46:32: Got a ranging request19:46:32: SID value is 3 on Interface Ca

debug cable map Cisco uBR7246 Universal Broadband Router Feature Enhancements 75debug cable mapUse the debug cable map EXEC command to display map deb

Debug Commands7612.0(3)TRelated CommandsMAPs had grant(s) Long Grants Total number of grants considered long sized by CMTS.Total Short Grants Total nu

debug cable map Cisco uBR7246 Universal Broadband Router Feature Enhancements 77What to Do NextFor more information on the Cisco uBR7246, refer to the

What to Do Next7812.0(3)T

Command Reference812.0(3)Tcable downstream modulationTo set the modulation rate for a downstream port on a cable modem card, use the cable downstreamm

cable downstream rate-limit Cisco uBR7246 Universal Broadband Router Feature Enhancements 9cable downstream rate-limitTo enable Data Over Cable Servic