Cisco Systems uBR7200 Series manual Field Description, Router# show interface cable 6/0 downstream

Page 27

Chapter 4 Troubleshooting the System

Understanding Show Command Responses

Table 4-16 Show Interface Cable Command Field Descriptions (continued)

Field

Description

output buffer failures

Number of times the output buffer has failed

 

 

output buffer swapped out

Number of times the output buffer has been swapped out

 

 

See the following sample output for the downstream cable interface of slot 6 on port 0 from the show interface cable downstream command:

router# show interface cable 6/0 downstream

Cable6/0: Downstream is up

111947771 packets output, 1579682655 bytes, 0 discarded

0 output errors

Table 4-17 Show Interface Cable Downstream Command Field Descriptions

Field

Description

Cable

Indicates the location of the downstream interface.

 

 

Downstream is up/...administratively down

Indicates the administrative state of the interface.

 

 

packets output

Total number of packets transmitted out of this interface.

 

 

bytes

Total number of bytes transmitted out of this interface

 

 

discarded

Total number of packets discarded

 

 

output errors

Sum of all errors that prevented downstream transmission of

 

packets out of this interface

 

 

See the following sample output for the upstream cable interface located in slot 3/port 0 from the show interface cable upstream command:

router# show interface cable 3/0 upstream 0 Cable3/0: Upstream 0 is up

Received 16873 broadcasts, 0 multicasts, 73310 unicasts 0 discards, 89053 errors, 0 unknown protocol

90183 packets input, 1 uncorrectable

89042 noise, 0 microreflections

Total Modems On This Upstream Channel : 8 (4 active)

Default MAC scheduler

 

Queue[Rng Polls]

0/20, fifo queueing, 0 drops

Queue[Cont Mslots]

0/104, fifo queueing, 0 drops

Queue[CIR Grants]

0/20, fair queueing, 0 drops

Queue[BE Grants]

0/30, fair queueing, 0 drops

Queue[Grant Shpr]

0/30, calendar

queueing, 0 drops

Reserved slot table currently has 0 CBR entries

Req IEs 134469315, Req/Data IEs 0

 

Init Mtn IEs 385879, Stn Mtn IEs 131059

Long Grant IEs 10766, Short Grant IEs 15895

Avg upstream channel utilization :

1%

Avg percent contention slots : 97%

 

Avg percent initial ranging slots : 0%

Avg percent minislots lost on late

MAPs : 0%

Total channel bw reserved 0 bps

 

CIR admission control not enforced

 

Current minislot count : 6676390

Flag: 0

Scheduled minislot count : 6676545

Flag: 0

Table 4-18 describes the fields shown in the show interface cable upstream display.

Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide

 

78-5897-01

4-27

 

 

 

Page 26 Page 28
Image 27
Page 26 Page 28
Contents Troubleshooting the System Managing Cable Modems on the HFC Network Configure Sync Message IntervalVerify Sync Message Interval Activate Cable Modem AuthenticationVerify Cable Modem Authentication Activate Cable Modem Upstream Address VerificationCMTS01config-if#cable source-verify dhcp CMTS01config-if#no cable source-verifyVerify Cable Modem Upstream Address Verification Automatic CMTS01config-if#no cable insertion-intervalCMTS01config-if#cable insertion-interval max CMTS01config-if#cable insertion-intervalConfigure Per Modem Filters Configure access lists to be specified on a Configure Cable Modem Registration Timeout Clear Cable Modem ResetCMTS01config-if#cable registration-timeout n Clear Cable Modem Counters Verify Clear Cable Modem ResetVerify Clear Cable Modem Counters Configure Traffic ShapingConfigure Downstream Rate Limiting and Shaping Configure Upstream Rate Limiting and ShapingCMTS01# show interface c3/0 sid 1 counters CMTS01config-if#nocable upstream n1 rate-limitBlind Strategies and Time Scheduled Combined Token-bucketGuided Frequency Hop Field Description Sample outputShow Cable Hop Command Spectrum Management Debug and Test Commands14 Show Cable Hop Parameter Descriptions Polling Cable Modems Debug and Test CommandsVerifying Remote Query Information Enable SnmpConfigure Remote Modem Monitoring Allows you to configure accessUnderstanding Show Command Responses General Show CommandsMonitoring and Maintaining Remote Querying Show Cable Modem See the sample command output below Page SID Show Cable Modem Maintenance Cable modem cable 3/0 upstream 0 unregisteredCable modem cable 3/0 upstream 0 offline Show Interface Cable UBR7200#show cable modem maintenanceMTU CRC Router# show interface cable 6/0 downstream Field Description18 Show Interface Cable Upstream Command Field Descriptions ATP Enhanced Show Interface Upstream Output Cable slot 3, port Show Interface Cable SIDConnectivity Router# show interface c3/0 sid counters verboseShow Router# show interface c3/0 sid connectivityRouter# show interface c3/0 sid 1 counters Troubleshooting Using Cable Flap Lists Show Cable QoS ProfileUBR7200#show cable qos profile Page Page UBR7200#show cable flap Display the Flap ListMAC ID Statistic DescriptionPlant troubleshooting. The CRC counter indicates Troubleshoot with the Flap List Verify Cable Flap List Insertion Time Set Cable Flap List AgingSet Cable Flap List Insertion Time Verify Cable Flap List AgingSet Cable Flap List Power Adjustment Threshold Verify Cable Flap List Power Adjustment ThresholdSet Cable Flap List Miss Threshold Verify Cable Flap List Size Set Cable Flap List SizeClear Cable Flap List Verify Cable Flap List Miss ThresholdCustomize Other Flap List Values and Related Commands Performing Amplitude Averaging Enable or Disable Power AdjustmentSyntax Valid Values Set Frequency Threshold to Affect Power AdjustmentSetting Downstream Test Signals Configure Unmodulated Test SignalsStep Command Purpose Pinging Unresponsive Cable Modems Configure Prbs Test SignalsVerify Test Signal Output Step CommandUsing Cable Interface Debug Commands Verify the PingDebug Cable ARP Requests Debug Baseline Privacy Activity Debug Cable MAC Protocol ErrorsDebug Environmental Monitor Messages Activate Debug of Baseline PrivacyActivate QoS Debug Debug Cable MapsDebug Cable Modems Debug Cable PHY MessagesDebug Cable Modem Registration Requests Debug Cable Modem Reset MessagesDebug Cable Modem Ranging Messages Debug Upstream MessagesDebug Upstream Channel Change UCC Messages Debug Spectrum ManagementDebug Channel Allocations Debug Cmts TransmissionsShow diag Show frame-clocks Show tech support Show version Managing the Cisco uBR7246 VXR Clock CardDebug Upstream Channel Description UCD Messages Clear Clock CountersCable clock force primary secondary no cable clock force Force Alternate ClockSet Midplane TDM Clock as Primary Reference Display Clock ValuesShow controllers clock-reference Show Clock Diagnostic InformationShow Clock Hardware Information and Register Values Router# show cable clock33 describes the fields shown in the show diag display Show Clock Frames Show General InformationRouter# show frame-clocks
Top Page Image Contents