Specifications
Implementing BGP on Cisco IOS XR Software
How to Implement BGP on Cisco IOS XR Software
RC-114
Cisco IOS XR Routing Configuration Guide
5. address-family ipv4 mdt 
6. exit 
7. neighbor ip-address 
8. remote-as as-number 
9. address-family {ipv4 unicast | ipv4 multicast | ipv4 labeled-unicast | ipv4 tunnel | ipv4 mdt | 
ipv6 unicast | ipv6 multicast | ipv6 labeled-unicast | vpnv4 unicast | vpnv6 unicast} 
10. route-policy route-policy-name {in | out} 
11. exit
12. address-family ipv4 mdt
13. route-policy route-policy-name {in | out} 
14. end
or
commit
DETAILED STEPS
Command or Action Purpose
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Enters global configuration mode.
Step 2
router bgp 
as-number 
Example:
RP/0/RP0/CPU0:router(config)# router bgp 120
Enters BGP configuration mode, allowing you to configure 
the BGP routing process.
Step 3
address-family {ipv4 unicast | ipv4 multicast | 
ipv4 tunnel | ipv6 unicast | ipv6 multicast | 
vpnv4 unicast | vpnv6 unicast}
Example:
RP/0/RP0/CPU0:router(config-bgp)# 
address-family ipv4 unicast
Enters address family configuration mode for the specified 
address family.
Step 4
exit
Example:
RP/0/RP0/CPU0:router(config-bgp-af)# exit
Exits the current configuration mode.
Step 5
address-family ipv4 mdt 
Example:
RP/0/RP0/CPU0:router(config-bgp)# 
address-family ipv4 mdt
Specifies the multicast distribution tree (MDT) address 
family. 










