Cisco Nexus 7000 Series - Address Family Configuration Mode; Neighbor Configuration Mode

Send document comments to nexus7k-docfeedback@cisco.com.
10-9
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
OL-20002-02
Chapter 10 Configuring Basic BGP
CLI Configuration Modes
BGP supports Virtual Routing and Forwarding (VRF). You can configure BGP within the appropriate
VRF if you are using VRFs in your network. See the “Configuring Virtualization” section on page 11-40
for more information.
The following example shows how to enter VRF configuration mode:
switch(config)# router bgp 64497
switch(config-router)# vrf vrf_A
switch(config-router-vrf)#
Address Family Configuration Mode
You can optionally configure the address families that BGP supports. Use the address-family command
in router configuration mode to configure features for an address family. Use the address-family
command in neighbor configuration mode to configure the specific address family for the neighbor.
You must configure the address families if you are using route redistribution, address aggregation, load
balancing, and other advanced features.
The following example shows how to enter address family configuration mode from the router
configuration mode:
switch(config)# router bgp 64496
switch(config-router)# address-family ipv4 unicast
switch(config-router-af)#
The following example shows how to enter VRF address family configuration mode if you are using
VRFs:
switch(config)# router bgp 64497
switch(config-router)# vrf vrf_A
switch(config-router-vrf)# address-family ipv4 unicast
switch(config-router-vrf-af)#
Neighbor Configuration Mode
Cisco NX-OS provides the neighbor configuration mode to configure BGP peers. You can use neighbor
configuration mode to configure all parameters for a peer.
The following example shows how to enter neighbor configuration mode:
switch(config)# router bgp 64496
switch(config-router)# neighbor 192.0.2.1
switch(config-router-neighbor)#
The following example shows how to enter VRF neighbor configuration mode:
switch(config)# router bgp 64497
switch(config-router)# vrf vrf_A
switch(config-router-vrf)# neighbor 192.0.2.1
switch(config-router-vrf-neighbor)#