Reference Guide

Intermediate System to Intermediate System | 511
Dell Networking OS displays debug messages on the console. Use the show debugging command in EXEC
Privilege mode to view which debugging commands are enabled.
Enter the keyword no followed by the debug command to disable a specific debug command. For example,
to disable debugging of IS-IS updates, enter
no debug isis updates-packets.
Enter
no debug isis to disable all IS-IS debugging.
Enter
undebug all to disable all debugging.
IS-IS Metric Styles
The following sections provide additional information on IS-IS Metric Styles.
• IS-IS Metric Styles
• Configuring Metric Values
debug isis adj-packets [interface] EXEC Privilege View information on all adjacency-related activity
(for example, hello packets that are sent and
received).
To view specific information, enter one of the
following optional parameters:
• interface: Enter the type of interface and slot/port
information to view IS-IS information on that
interface only.
debug isis local-updates [interface] EXEC Privilege View information about IS-IS local update packets.
To view specific information, enter one of the
following optional parameters:
• interface: Enter the type of interface and slot/port
information to view IS-IS information on that
interface only.
debug isis snp-packets [interface] EXEC Privilege View IS-IS SNP packets, include CSNPs and
PSNPs.
To view specific information, enter one of the
following optional parameters:
• interface: Enter the type of interface and slot/port
information to view IS-IS information on that
interface only.
debug isis spf-triggers
EXEC Privilege View the events that triggered IS-IS shortest path
first (SPF) events for debugging purposes.
debug isis update-packets [interface] EXEC Privilege View sent and received LSPs.
To view specific information, enter one of the
following optional parameters:
• interface: Enter the type of interface and slot/port
information to view IS-IS information on that
interface only.
Command Syntax Command Mode Purpose