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Implementing MPLS VPNs over IP Tunnels on Cisco IOS XR Software
How to Configure MPLS VPNs over IP Tunnels
MPC-290
Cisco IOS XR MPLS Configuration Guide
OL-12284-01
Step 5
neighbor A.B.C.D
Example:
RP/0/RP0/CPU0:router(config-bgp-af)# neighbor
10.10.10.0
RP/0/RP0/CPU0:router(config-bgp-nbr)#
Configures the IP address for the BGP neighbor.
Step 6
remote-as as-number
Example:
RP/0/RP0/CPU0:router(config-bgp-nbr)# remote-as
888
Configures the AS number for the BGP neighbor.
Step 7
update-source interface-type interface-number
Example:
RP/0/RP0/CPU0:router(config-bgp-nbr)#
update-source loopback0
Allows BGP sessions to use the primary IP address from a
particular interface as the local address.
Step 8
address-family {vpnv4 unicast}
Example:
RP/0/RP0/CPU0:router(config-bgp-nbr)#
address-family vpnv4 unicast
RP/0/RP0/CPU0:router(config-bgp-nbr-af)#
Configures VPNv4 unicast address family.
Step 9
address-family {ipv4 tunnel}
Example:
RP/0/RP0/CPU0:router(config-bgp-nbr-af)#
address-family ipv4 tunnel
Configures IPv4 tunnel address family.
Step 10
vrf vrf-name
Example:
RP/0/RP0/CPU0:router(config-bgp-nbr-af)# vrf
9999
RP/0/RP0/CPU0:router(config-bgp-vrf)#
Configures a VRF instance.
Step 11
rd {as-number:nn | ip-address:nn | auto}
Example:
RP/0/RP0/CPU0:router(config-bgp-vrf)# rd auto
Configures a route distinguisher.
Note Use the auto keyword to automatically assign a
unique route distinguisher.
Step 12
address-family {ipv4 unicast}
Example:
RP/0/RP0/CPU0:router(config-bgp-vrf)#
address-family ipv4 unicast
RP/0/RP0/CPU0:router(config-bgp-vrf-af)#
Configures IPv4 unicast address family.
Command or Action Purpose