Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 4 Integrated IS-IS Configuration Commands
3Com Corporation
4-20
Use the undo isis dis-priority command to restore the default priority.
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 command: area-authentication-mode and domain-authentication-mode.
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
4.1.23 isis enable
Syntax
isis enable [ tag ]
undo isis enable [ tag ]
View
Interface view
Parameter
tag: Name given to an IS-IS routing process, when executing isis command in the
system view. If not specified, it is null.
Description
Use the isis enable command to configure this interface to activate the corresponding
IS-IS routing process.
Use the undo isis enable command to cancel this designation.
By default, the IS-IS routing process is not enabled on an interface.
For the normal operation of the IS-IS protocol, the isis command must be used to
enable the IS-IS process. Then the network-entity command is used to set a Network
Entity Title (NET) for the router. And, at last, the isis enable command is used to
enable each interface on which the IS-IS process runs. The IS-IS protocol will be
enabled upon the completion of these configurations.
Related command: isis and network-entity.