Specifications

Contents
v
Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0
OL-10705-02
Linksys WCM300-NA, WCM300-EURO, and WCM300-JP Modems 4-6
DOCSIS Configuration File for Wideband on Linksys WCM300 Modems 4-7
Scientific Atlanta DPC2505 and EPC2505 Modems 4-8
Automatic Adjustments During Scientific Atlanta DPC2505 and EPC 2505 Registration 4-9
CMTS Interactions with Wideband Cable Modems 4-9
Registration for Wideband Cable Modems 4-9
Load Balancing for Wideband Cable Modems 4-10
Supported MIBs 4-10
Known Restrictions 4-10
CHAPTER 5 Monitoring and Troubleshooting Wideband Components 5-1
Monitoring Wideband Components 5-1
Monitoring Wideband SIPs 5-2
show diag 5-2
Monitoring Wideband SPAs 5-3
show hw-module bay oir 5-3
show diag 5-3
show controllers modular-cable 5-4
Monitoring Wideband Channels 5-6
show interface wideband-cable 5-6
show hw-module bay 5-7
Monitoring RF Channels 5-10
show hw-module bay 5-10
Monitoring Wideband Cable Modems 5-10
show cable modem wideband 5-11
show cable modem summary 5-11
Troubleshooting Wideband Components 5-13
Troubleshooting Wideband SIPs and Wideband SPAs 5-13
Performing Basic Troubleshooting on a Wideband SIP and Wideband SPA 5-13
Verifying That a Wideband SPA’s Active Gigabit Ethernet Port Is Up 5-14
Verifying That a Wideband SPA Is Correctly Configured for SPA-to-EQAM
Communications
5-16
Verifying That a Wideband SPA Is Able to Communicate with the Edge QAM Device 5-16
Troubleshooting Wideband Channels 5-17
Verifying That a Wideband Channel is Up and Is Transmitting Packets 5-17
Verifying That a Wideband Channel is Configured Correctly 5-18
Troubleshooting Wideband Cable Modems 5-19
Pinging a Wideband Cable Modem 5-19
Verifying That a Wideband-Capable Cable Modem is Registered as a Wideband Modem 5-20