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Configuring a BGP Session for MPLS VPNs (CLI Procedure)

Note: This section is valid for Layer 2 VPNs and Layer 3 VPNs, but not Layer 2 circuits.

To configure an IBGP session, perform the following steps on each PE router:

Configure BGP.
[edit]user@host# edit protocols bgp group group-name
Set the BGP type to internal.
[edit protocols bgp group group-name]user@host# set type internal
Specify the loopback interface.
[edit protocols bgp group group-name]user@host# set local-address loopback-interface-ip-address
Set the Layer 2 or Layer 3 VPN family type to unicast.
[edit protocols bgp group group-name]user@host# set family family-type unicast
Replace family-type with l2vpn for a Layer 2 VPN or inet–vpn for a Layer 3 VPN.
Enter the loopback address of the neighboring PE router.
[edit protocols bgp]user@host# set neighbor ip-address
Commit the configuration if you are finished configuring the device.
[edit]user@host# commit