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show isis purge log

date_range 19-Nov-23

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Syntax

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show isis purge log
<instance instance-name>
<level level>
<logical-system (all | logical-system-name)>

Description

Displays the purge log history received from adjacent devices. The purge log can include the type, length and value (TLV) details and the Intermediate System (IS) identification. Use this command to identify the purge originator and view other details of recent purges. You can display the last 50 entries in the IS-IS purge log and filter the log history based on the IS-IS level or by routing instance.

Options

none	Display purge log of all routing instances.
instance `instance-name`	(Optional) Display purge log of the specified routing instance.
level `level`	(Optional) Display purge log of IS-IS routers that belong to the specified level.
logical-system (all \| `logical-system-name`)	(Optional) Perform this operation on all logical systems or on a particular logical system.

Required Privilege Level

view

Output Fields

Table 1 describes the output fields for the show isis purge log command. Output fields are listed in the approximate order in which they appear.

Table 1: show isis purge log Output Fields
Field Name	Field Description
IS-IS Level	Level: `1`—Level 1 only `2`—Level 2 only `3`—Level 1 and Level 2 An exclamation point (`!`) preceding the level number indicates that the adjacency is missing an IP address.
Time	Date and time in hours, minutes, and seconds when the purge occurred.
LSP Name	Name of the LSP where the purge occurred
Originator	Source of the purge
Received	Router that received the purge instruction

Sample Output