LDP. The ASR 5500 forwards the packets to the next-hop with two labels – an inner label learned from PE
and an outer label learned from the next hop IBGP neighbor.
Figure 22: Sample Configuration
mpls ip
protocol ldp
enable
exit
exit
ip vrf vrf1
mpls traffic-class copy
exit
ip vrf vrf2
mpls traffic-class value 5
exit
router bgp 300
ip vrf vrf1
route-target export 300 1
route-target import 300 1
route-distinguisher 300 1
exit
ip vrf vrf2
route-target export 300 2
route-target import 300 2
route-distinguisher 300 2
exit
router-id 2.2.2.2
neighbor 192.168.107.20 remote-as 300
neighbor 192.168.107.20 update-source node1_loopback
address-family vpnv4
neighbor 192.168.107.20 activate
neighbor 192.168.107.20 send-community both
neighbor 192.168.107.20 next-hop-self
exit
address-family ipv4 vrf vrf1
redistribute connected
exit
address-family ipv4 vrf vrf2
redistribute connected
exit
interface interface_to_internet
ip address 192.168.109.65/24
mpls ip
exit
router ospf
ASR 5500 System Administration Guide, StarOS Release 21.4
310
BGP MPLS VPNs
Sample Configuration
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