Administrator Guide

• View information on all adjacency-related activity (for example, hello packets that are sent and received).
EXEC Privilege mode
debug isis adj-packets [interface]
To view specic information, enter the following optional parameter:
• interface: Enter the type of interface and slot/port information to view IS-IS information on that interface only.
• View information about IS-IS local update packets.
EXEC Privilege mode
debug isis local-updates [interface]
To view specic information, enter the following optional parameter:
• interface: Enter the type of interface and slot/port information to view IS-IS information on that interface only.
• View IS-IS SNP packets, include CSNPs and PSNPs.
EXEC Privilege mode
debug isis snp-packets [interface]
To view specic information, enter the following optional parameter:
• interface: Enter the type of interface and slot/port information to view IS-IS information on that interface only.
• View the events that triggered IS-IS shortest path rst (SPF) events for debugging purposes.
EXEC Privilege mode
debug isis spf-triggers
• View sent and received LSPs.
EXEC Privilege mode
debug isis update-packets [interface]
To view specic information, enter the following optional parameter:
• interface: Enter the type of interface and slot/port information to view IS-IS information on that interface only.
Dell Networking OS displays debug messages on the console. To view which debugging commands are enabled, use the show
debugging command in EXEC Privilege mode.
To disable a specic debug command, enter the keyword no then the debug command. For example, to disable debugging of IS-IS
updates, use the no debug isis updates-packets command.
To disable all IS-IS debugging, use the no debug isis command.
To disable all debugging, use the undebug all command.
IS-IS Metric Styles
The following sections provide additional information about the IS-IS metric styles.
• Conguring the IS-IS Metric Style
• Congure Metric Values
Dell Networking OS supports the following IS-IS metric styles:
• narrow (supports only type, length, and value [TLV] up to 63)
• wide (supports TLV up to 16777215)
• transition (supports both narrow and wide and uses a TLV up to 63)
Intermediate System to Intermediate System
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