Cisco Systems uBR7200 Series manual Sid

Page 22

Chapter 4 Troubleshooting the System

Understanding Show Command Responses

See the following sample for detailed output of the show cable modem command:

router#show

cable modem detail

 

 

 

Interface

SID

MAC address

Max CPE

Concatenation Rx SNR

Cable3/0/U0

1

0090.8330.0215

3

yes

 

Cable3/0/U0

2

0090.8330.0213

3

yes

 

Cable3/0/U0

3

0090.8330.0214

3

yes

 

Cable3/0/U0

4

0090.8330.0217

3

yes

 

Cable3/0/U0

5

0090.8330.020f

3

yes

 

Cable3/0/U0

6

0050.7366.17e3

3

no

 

Cable3/0/U0

7

0090.8330.0211

3

yes

 

Cable3/0/U0

8

0050.7366.17af

3

no

 

Cable3/0/U0

9

0090.8330.0216

3

yes

 

Cable3/0/U0

10

0050.7366.1801

3

no

 

Cable3/0/U0

11

0050.7366.124d

3

no

 

Cable3/0/U0

12

0050.7366.1241

3

no

 

Cable3/0/U0

13

0050.7366.17db

3

no

 

Cable3/0/U0

14

0050.7366.1239

3

no

 

Cable3/0/U0

15

0050.7366.17ab

3

no

 

Cable4/0/U0

1

0050.7366.1db1

3

no

26.50

Cable4/0/U1

2

0050.7318.e97f

3

no

23.87

Cable4/0/U1

3

0050.7318.e965

3

no

23.85

Cable4/0/U0

4

0050.7318.e931

3

no

26.72

Cable4/0/U1

5

0050.7318.e92d

3

no

23.31

Cable4/0/U1

6

0050.7318.e97b

3

no

23.85

Cable4/0/U0

7

0050.7366.1d8d

3

no

26.88

Cable4/0/U0

8

0050.7318.e953

3

no

26.54

Cable4/0/U1

9

0050.7366.1d9d

3

no

23.72

Cable4/0/U1

10

0050.7318.e96b

3

no

23.79

Cable4/0/U1

11

0050.7366.1d95

3

no

23.82

Cable4/0/U0

12

0050.7318.e93f

3

no

26.26

Cable4/0/U1

13

0050.7318.e96d

3

no

23.51

Cable4/0/U0

14

0050.7318.e941

3

no

26.69

Cable4/0/U0

15

0050.7366.1dcd

3

no

26.94

Cable4/0/U1

16

0050.7318.e939

3

no

23.98

Cable4/0/U0

17

0050.7366.1d8f

3

no

27.13

Cable4/0/U0

18

0050.7302.3da3

3

no

26.58

Cable4/0/U0

19

0050.7318.e93b

3

no

26.49

Cable4/0/U0

20

0050.7318.e901

3

no

26.68

Cable4/0/U1

21

0050.7366.1dbb

3

no

23.45

Cable4/0/U0

22

0050.7318.e957

3

no

26.35

Cable4/0/U0

23

0050.7318.e985

3

no

26.40

Cable4/0/U0

24

0050.7366.1dbd

3

no

26.69

See the following sample output of modems connected on upstream channel 0 for cable interface slot 3, port 0:

router#show

cable modem cable 3/0 upstream 0

 

 

 

Interface

Prim

Online

Timing Rec

QoS CPE

IP address

MAC address

 

Sid

State

Offset

Power

 

 

 

 

Cable3/0/U0

1

offline

2264

-0.50

2

0

209.165.200.2

0090.8330.0214

Cable3/0/U0

2

offline

4137

!-3.50

2

0

209.165.200.9

0050.7366.17d3

Cable3/0/U0

3

init(d)

4136

!-2.50

2

0

209.165.200.0

0050.7366.17ab

Cable3/0/U0

4

init(d)

4138

!-4.75

2

0

209.165.200.0

0050.7366.1803

Cable3/0/U0

5

init(d)

4137

!-2.25

2

0

209.165.200.0

0050.7366.1801

Cable3/0/U0

6

init(o)

2251

-0.25

2

0

209.165.200.3

0090.8330.0213

Cable3/0/U0

7

offline

2264

0.75

2

0

209.165.200.4

0090.8330.020f

Cable3/0/U0

8

offline

2266

-0.50

2

0

209.165.200.5

0090.8330.0211

Cable3/0/U0

9

init(rc)

4662

1.00

2

0

209.165.200.0

00d0.bad3.c459

Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide

4-22

78-5897-01

 

 

Page 21 Page 23
Image 22
Page 21 Page 23
Contents Troubleshooting the System Configure Sync Message Interval Managing Cable Modems on the HFC NetworkActivate Cable Modem Upstream Address Verification Activate Cable Modem AuthenticationVerify Cable Modem Authentication Verify Sync Message IntervalCMTS01config-if#no cable source-verify CMTS01config-if#cable source-verify dhcpVerify Cable Modem Upstream Address Verification CMTS01config-if#cable insertion-interval CMTS01config-if#no cable insertion-intervalCMTS01config-if#cable insertion-interval max AutomaticConfigure Per Modem Filters Configure access lists to be specified on a Clear Cable Modem Reset Configure Cable Modem Registration TimeoutCMTS01config-if#cable registration-timeout n Verify Clear Cable Modem Reset Clear Cable Modem CountersConfigure Upstream Rate Limiting and Shaping Configure Traffic ShapingConfigure Downstream Rate Limiting and Shaping Verify Clear Cable Modem CountersToken-bucket CMTS01config-if#nocable upstream n1 rate-limitBlind Strategies and Time Scheduled Combined CMTS01# show interface c3/0 sid 1 countersGuided Frequency Hop Sample output Field DescriptionSpectrum Management Debug and Test Commands Show Cable Hop Command14 Show Cable Hop Parameter Descriptions Debug and Test Commands Polling Cable ModemsAllows you to configure access Enable SnmpConfigure Remote Modem Monitoring Verifying Remote Query InformationGeneral Show Commands Understanding Show Command ResponsesMonitoring and Maintaining Remote Querying Show Cable Modem See the sample command output below Page SID Cable modem cable 3/0 upstream 0 unregistered Show Cable Modem MaintenanceCable modem cable 3/0 upstream 0 offline UBR7200#show cable modem maintenance Show Interface CableMTU CRC Field Description Router# show interface cable 6/0 downstream18 Show Interface Cable Upstream Command Field Descriptions ATP Enhanced Show Interface Upstream Output Show Interface Cable SID Cable slot 3, portRouter# show interface c3/0 sid connectivity Router# show interface c3/0 sid counters verboseShow ConnectivityRouter# show interface c3/0 sid 1 counters Show Cable QoS Profile Troubleshooting Using Cable Flap ListsUBR7200#show cable qos profile Page Page Display the Flap List UBR7200#show cable flapStatistic Description MAC IDPlant troubleshooting. The CRC counter indicates Troubleshoot with the Flap List Verify Cable Flap List Aging Set Cable Flap List AgingSet Cable Flap List Insertion Time Verify Cable Flap List Insertion TimeVerify Cable Flap List Power Adjustment Threshold Set Cable Flap List Power Adjustment ThresholdSet Cable Flap List Miss Threshold Verify Cable Flap List Miss Threshold Set Cable Flap List SizeClear Cable Flap List Verify Cable Flap List SizeCustomize Other Flap List Values and Related Commands Enable or Disable Power Adjustment Performing Amplitude AveragingSet Frequency Threshold to Affect Power Adjustment Syntax Valid ValuesConfigure Unmodulated Test Signals Setting Downstream Test SignalsStep Command Purpose Step Command Configure Prbs Test SignalsVerify Test Signal Output Pinging Unresponsive Cable ModemsVerify the Ping Using Cable Interface Debug CommandsDebug Cable ARP Requests Activate Debug of Baseline Privacy Debug Cable MAC Protocol ErrorsDebug Environmental Monitor Messages Debug Baseline Privacy ActivityDebug Cable PHY Messages Debug Cable MapsDebug Cable Modems Activate QoS DebugDebug Upstream Messages Debug Cable Modem Reset MessagesDebug Cable Modem Ranging Messages Debug Cable Modem Registration RequestsDebug Cmts Transmissions Debug Spectrum ManagementDebug Channel Allocations Debug Upstream Channel Change UCC MessagesClear Clock Counters Managing the Cisco uBR7246 VXR Clock CardDebug Upstream Channel Description UCD Messages Show diag Show frame-clocks Show tech support Show versionDisplay Clock Values Force Alternate ClockSet Midplane TDM Clock as Primary Reference Cable clock force primary secondary no cable clock forceRouter# show cable clock Show Clock Diagnostic InformationShow Clock Hardware Information and Register Values Show controllers clock-reference33 describes the fields shown in the show diag display Show General Information Show Clock FramesRouter# show frame-clocks
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