address-family unicast (IS-IS)

Enables the IPv4 or IPv6 address family configuration mode for configuring a variety of Intermediate System-to-Intermediate System (IS-IS) unicast routing options.

Syntax

address-family { ipv4 | ipv6 } unicast

Command Default

Disabled.

Parameters

ipv4: Specifies the IPv4 address family.
ipv6: Specifies the IPv6 address family.

Modes

IS-IS router configuration mode

Usage Guidelines

IS-IS is supported on the Extreme 8820, SLX 9740, SLX 9640, and SLX 9540 devices only.

Examples

The following example enables IS-IS address-family IPv4 unicast configuration mode.

device# configure terminal
device(config)# router isis
device(config-isis-router)# address-family ipv4 unicast
device(config-router-isis-ipv4u)#

The following example enables IS-IS address-family IPv6 unicast configuration mode.

device# configure terminal
device(config)# router isis
device(config-isis-router)# address-family ipv6 unicast
device(config-router-isis-ipv6u)#