Command Reference Guide

3Com Router 5000 Family and Router 6000 Family isis dis-priority ● 187
Command Reference
isis dis-priority
Purpose Use the isis dis-priority command to configure the priority of an interface
for the corresponding level DIS election.
Use the undo isis dis-priority command to restore the default priority.
Syntax isis dis-priority value [ level-1 | level-2 ]
undo isis dis-priority [ level-1 | level-2 ]
Parameters value
Specifies the priority when selecting DIS, ranging from
0 to 127. By default, the value is 64.
level-1
Specifies the priority when selecting Level-1 DIS.
level-2
Specifies the priority when selecting Level-2 DIS.
Example Set the priority of Interface serial1/0/0 to 127.
[3Com ] interface serial1/0/0
[3Com -Serial1/0/0] isis dis-priority127 level-2
View This command can be used in the following views:
■ Interface view
Description If the level is not specified, it defaults to set the Level-2 priority.
The IS-IS does not concern the concept of backup DIS. The router with the priority 0
can also run for the DIS, which is different from the DR election of OSPF.
Related Commands ■ area-authentication-mode
■ domain-authentication-mode