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Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
OL-27852-01
Chapter Unicast Routing Commands
address-family (BGP router)
address-family (BGP router)
To enter the address family mode or a virtual routing and forwarding (VRF) address-family mode and
configure submode commands for the Border Gateway Protocol (BGP), use the address-family
command. To disable the address family submode for configuring routing protocols, use the no form of
this command.
address-family ipv4 {multicast | unicast}
no address-family ipv4 {multicast | unicast}
Syntax Description
Command Default This command has no default settings.
Command Modes Router configuration mode
VRF configuration mode
Command History
Usage Guidelines Use the address-family command to enter various address family configuration modes while
configuring BGP routing. When you enter the address-family command from router configuration
mode, you enable the address family and enter global address family configuration mode. The prompt
changes to
switch(config-router-af)#.
You must configure the address families if you are using route redistribution, address aggregation, load
balancing, and other advanced features. IPv4 neighbor sessions support IPv4 unicast and multicast
address families.
This command requires the LAN Enterprise Services license.
Examples This example shows how to place the router in global address family configuration mode for the IPv4
unicast address family:
switch# configure terminal
switch(config)# feature bgp
switch(config)# router bgp 64496
switch(config-router)# address-family ipv4 unicast
switch(config-router-af)#
ipv4 Specifies the IPv4 address family.
multicast Specifies multicast address support.
unicast Specifies unicast address support.
Release Modification
5.0(3)A1(1) This command was introduced.
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