address-family unicast (BGP)

Enables the IPv4 or IPv6 address family configuration mode to configure a variety of BGP unicast routing options.

Syntax

address-family { ipv4 | ipv6 } unicast [ vrf vrf-name ]

no address-family { ipv4 | ipv6 } unicast [ vrf vrf-name ]

Disabled.

BGP configuration mode

Use the no form of this command to remove IPv4 or IPv6 address family configurations from the device.

The following example enables BGP IPv4 address-family configuration mode.

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

The following example enables BGP IPv6 address-family configuration mode.

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

The following example enables BGP IPv4 address-family configuration mode for VRF "green".

device# configure terminal
device(config)# router bgp
device(config-bgp-router)# address-family ipv4 unicast vrf green
device(config-bgp-ipv4u-vrf)#

This example enables BGP IPv6 address-family configuration mode for VRF "red".

device# configure terminal
device(config)# router bgp
device(config-bgp-router)# address-family ipv6 unicast vrf red
device(config-bgp-ipv6u-vrf)#