HP FlexNetwork HSR6600 Configuration Manual page 56

[RouterC] ip prefix-list prefix-from-d index 10 deny 11.1.1.0 24
# On Router C, configure label acceptance policies to filter FEC-label mappings received from
Router B and Router D.
[RouterC] mpls ldp
[RouterC-ldp] accept-label peer 2.2.2.9 prefix-list prefix-from-b
[RouterC-ldp] accept-label peer 4.4.4.9 prefix-list prefix-from-d
[RouterC-ldp] quit
Verifying the configuration
# Display LDP LSP information on the routers, for example, on Router A.
[RouterA] display mpls ldp lsp
Status Flags: * - stale, L - liberal, B - backup
FECs: 2
FEC
11.1.1.0/24
21.1.1.0/24
The output shows that the next hop of the LSP for FEC 21.1.1.0/24 is Router B (10.1.1.2). The LSP
has been established over the link Router A—Router B—Router C, not over the link Router
A—Router D—Router C.
# Test the connectivity of the LDP LSP from Router A to Router C.
[RouterA] ping mpls -a 11.1.1.1 ipv4 21.1.1.0 24
MPLS ping FEC: 21.1.1.0/24 with 100 bytes of data:
100 bytes from 20.1.1.2: Sequence=1 time=1 ms
100 bytes from 20.1.1.2: Sequence=2 time=1 ms
100 bytes from 20.1.1.2: Sequence=3 time=8 ms
100 bytes from 20.1.1.2: Sequence=4 time=2 ms
100 bytes from 20.1.1.2: Sequence=5 time=1 ms
--- Ping statistics for FEC 21.1.1.0/24 ---
5 packets transmitted, 5 packets received, 0.0% packet loss
Round-trip min/avg/max = 1/2/8 ms
# Test the connectivity of the LDP LSP from Router C to Router A.
[RouterC] ping mpls -a 21.1.1.1 ipv4 11.1.1.0 24
MPLS ping FEC: 11.1.1.0/24 : with 100 bytes of data:
100 bytes from 10.1.1.1: Sequence=1 time=1 ms
100 bytes from 10.1.1.1: Sequence=2 time=1 ms
100 bytes from 10.1.1.1: Sequence=3 time=1 ms
100 bytes from 10.1.1.1: Sequence=4 time=1 ms
100 bytes from 10.1.1.1: Sequence=5 time=1 ms
--- Ping statistics for FEC 11.1.1.0/24 ---
5 packets transmitted, 5 packets received, 0.0% packet loss
Round-trip min/avg/max = 1/1/1 ms
Ingress: 1
In/Out Label
1277/-
-/1148(L)
-/1276
1276/1276
46
Transit 1 Egress: 1
Nexthop OutInterface
10.1.1.2 GE1/1/2
10.1.1.2 GE1/1/2