isis ipv6 prefix-suppression

Use isis ipv6 prefix-suppression to enable prefix suppression on an interface.

Use undo isis ipv6 prefix-suppression to disable prefix suppression on an interface.

Syntax

isis ipv6 prefix-suppression

undo isis ipv6 prefix-suppression

Default

Prefix suppression is disabled on an interface.

Views

Interface view

Predefined user roles

network-admin

Usage guidelines

By default, IS-IS interfaces advertise their IPv6 prefixes in LSPs. Use this command to disable an interface from advertising its IPv6 prefix in LSPs. This enhances network security by preventing IP routing to the internal nodes and speeds up network convergence.

Examples

# Enable prefix suppression on VLAN-interface 10.

<Sysname> system-view
[Sysname] interface vlan-interface 10
[Sysname-Vlan-interface10] isis ipv6 prefix-suppression