10
Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
OL-27852-01
Chapter Unicast Routing Commands
address-family (BGP neighbor)
address-family (BGP neighbor)
To enter the neighbor address family mode 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 Neighbor 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 neighbor configuration
mode, you enable the neighbor address family and enter the neighbor address family configuration mode.
The prompt changes to
switch(config-router-neighbor-af)#.
You must configure the address families if you are using route redistribution, 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 activate IPv4 multicast for neighbor 192.0.2.1 and place the device in
neighbor address family configuration mode for the IPv4 multicast address family:
switch# configure terminal
switch(config)# feature bgp
switch(config)# router bgp 64496
switch(config-router)# neighbor 192.0.2.1 remote-as 64496
switch(config-router-neighbor)# address-family ipv4 multicast
switch(config-router-neighbor-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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