isis suppress-reachability

Function

The isis suppress-reachability command enables IS-IS to suppress of the advertisement of an interface's direct routes in a specified topology.

The undo isis suppress-reachability command disables IS-IS to suppress of the advertisement of an interface's direct routes in a specified topology.

By default, IS-IS does not suppress the advertisement of interface addresses.

Format

isis suppress-reachability [ level-1 | level-1-2 | level-2 ]

undo isis suppress-reachability

Parameters

Parameter	Description	Value
level-1	Indicates the suppression of the advertisement of Level-1 interface addresses only.	-
level-1-2	Indicates the suppression of the advertisement of Level-1 interface addresses and Level-2 interface addresses.	-
level-2	Indicates the suppression of the advertisement of Level-2 interface addresses only. NOTE: If no specified level exists, the default value is Level-1-2.	-

Views

Ethernet interface view, Ethernet sub-interface view, Eth-Trunk interface view, Eth-Trunk sub-interface view, Tunnel interface view, Loopback interface view, Dialer interface view, VLANIF interface view, Virtual-Template interface view

Default Level

2: Configuration level

Usage Guidelines

If no topology instance name is specified, an IPv4 base topology is configured by default.

Example

# Suppress the IPv4 address of the GigabitEthernet0/0/0 to be advertised.

<sysname> system-view

[sysname] interface GigabitEthernet 0/0/0

[sysname-GigabitEthernet0/0/0] isis suppress-reachability