host1:pe1#show ip bgp vpn all field out-label
Prefix Out-label
10.10.10.11/32 none
ASBR 2 receives the labeled VPN-IPv4 prefix and generates a new label, 44, to associate
with this VPN-IPv4 prefix instead of label 16 when it sends the prefix to ASBR 3.
host1:asbr2#show ip bgp vpn all field out-label
Prefix Out-label
10.10.10.11/32 16
host1:asbr2#show ip bgp vpn all field in-label
Prefix In-label
10.10.10.11/32 44
ASBR 2 receives MPLS frames with label 44 (the in label) from ASBR 3 and sends MPLS
frames with label 16 (the out label) to PE 1.
The inter-AS next hop shows label 44 as the label advertised to inter-AS peer ASBR 3.
Label 44 was generated for the indirect next hop PE router/label pair, 10.2.2.2 (PE 1) and
16. Indirect next hop 1.1.1.1 is for the MP-IBGP peering between PE 1 (loopback address
1.1.1.1) and ASBR 2. Indirect next hop 10.5.5.5 is ASBR 3.
host1:asbr2#show ip bgp vpn all next-hops
Indirect next-hop 1.1.1.1
Resolution in IP route table of VR
IP indirect next-hop index 10
Reachable (metric 3)
Number of direct next-hops is 1
Direct next-hop ATM6/1.20 (10.20.20.1)
Resolution in IP tunnel-route table of VR
MPLS indirect next-hop index 29
Reachable (metric 3)
Number of direct next-hops is 1
Direct next-hop: MPLS next-hop 23
Reference count is 1
Indirect next-hop 10.5.5.5
Resolution in IP route table of VR
IP indirect next-hop index 5
Reachable (metric 0)
Number of direct next-hops is 1
Direct next-hop ATM6/0.21 (10.5.5.5)
Resolution in IP tunnel-route table of VR
MPLS indirect next-hop index 14
Reachable (metric 0)
Number of direct next-hops is 1
Direct next-hop ATM6/0.21.mpls
Reference count is 3
host1:asbr2#show mpls next-hop 23
MPLS next-hop: 23, label 33 on ATM6/1.20, nbr 10.20.20.1
Sent:
0 packets
0 bytes
0 errors
0 discards
host1:asbr2#show mpls next-hop 29
MPLS next-hop: 29, resolved by MPLS next-hop 23, peer 1.1.1.1
MPLS next-hop: 23, label 33 on ATM6/1.20, nbr 10.20.20.1
Statistics collection is disabled
host1:asbr2#show mpls forwarding brief
....
44 bgp swap to 16, push 34 on ATM6/1.20, nbr 10.20.20.1
403Copyright © 2010, Juniper Networks, Inc.
Chapter 6: Configuring BGP-MPLS Applications
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