isis prefix-suppression
Use isis prefix-suppression to enable prefix suppression on an interface.
Use undo isis prefix-suppression to disable prefix suppression on an interface.
Syntax
isis prefix-suppression
undo isis prefix-suppression
Default
Prefix suppression is disabled on an interface.
Views
Interface view
Predefined user roles
network-admin
Usage guidelines
Use this command to disable an interface from advertising its prefix in LSPs. This enhances network security by preventing IP routing to the interval nodes and speeds up network convergence.
This command is also applicable to the secondary IP address of the interface.
Examples
# Enable prefix suppression on VLAN-interface 10.
<Sysname> system-view [Sysname] interface vlan-interface 10 [Sysname-Vlan-interface10] isis prefix-suppression