Cisco UBR924 - uBR 924 Router Guía de instalación descargar pdf (Pagina 170)

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Cisco uBR7100 Series Universal Broadband Router Software Configuration Guide

OL-2238-03

Chapter 5 Troubleshooting the System

Using Cable Interface debug Commands

Note See the Broadband Command Consolidation manual, available on Cisco.com and the documentation

CD-ROM, for more information on this feature and its commands.

Using Cable Interface debug Commands

To troubleshoot cable interfaces, use the following debug commands in enable (privileged EXEC) mode.

Caution The following commands can generate large amounts of output as the number of cable modems grows.

On heavily loaded systems with thousands of cable modems, these commands can dramatically affect

router performance.

debug cable arp Command

This command activates debugging of arp requests on the cable interfaces. When this command is

activated, all cable arp request messages are displayed on the Cisco uBR7100 series router console. The

format for the command follows:

CMTS01# debug cable arp

To deactivate debugging of arp requests, use the following command:

CMTS01# no debug cable arp

debug cable envm Command (Environmental Monitor Messages)

This command activates debugging of the Cisco uBR7100 series environmental monitor. When this

command is activated, all environmental monitor messages are displayed on the Cisco uBR7100 series

router console. The format for the command follows:

CMTS01# debug cable envm

To deactivate debugging of the environmental monitor, use the following command:

CMTS01# no debug cable envm

Table 5-14 Instructions to Use Debug Command

Command Purpose

CMTS01# debug cable ? View all debug cable commands that are available.

CMTS01# undebug all Turn off all debugging information to the console and choose a more

selective debug command.

Note Refer to the debug commands that follow.

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Cisco UBR924 - uBR 924 Router Guía de instalación Pagina 170