clear isis counters vlan

clear isis counters [vlan all | {vlan} vlan_name]


This command clears all IS-IS counters for one or all This command is available on the ExtremeSwitching X440-G2, X450-G2, X460-G2, X465, X590, X620, X670-G2, X690, X695, X870, 5320, 5420, 5520 series switches.s.

Syntax Description

vlan all Clears the counters for all VLANs.
vlan_name Specifies a single VLAN for which counters are cleared.



Usage Guidelines

This command only affects VLANs that have been added to IS-IS router processes. The following counters are cleared: adjacency changes, adjacency initialization failures, rejected adjacencies, ID field length mismatches, maximum area address mismatches, authentication type failures, authentication failures, DIS changes, hello PDU TX and RX count, LSP TX and RX count, CSNP TX and RX count, PSNP TX and RX count, unknown PDU type TX and RX count.


The following command clears the IS-IS counters for all VLANs:

clear isis counters vlan all


This command was first available in ExtremeXOS 12.1.

Platform Availability

This command is available on platforms with a Core or Premier license as described in the ExtremeXOS and Switch Engine 31.7 Feature License Requirements document.