HP 6127xlg Configuration Manual page 48

# On Switch B, create IP prefix list switchb, and configure LDP to use only the routes permitted by
the prefix list to establish LSPs.
[SwitchB] ip prefix-list switchb index 10 permit 1.1.1.9 32
[SwitchB] ip prefix-list switchb index 20 permit 2.2.2.9 32
[SwitchB] ip prefix-list switchb index 30 permit 3.3.3.9 32
[SwitchB] ip prefix-list switchb index 40 permit 11.1.1.0 24
[SwitchB] ip prefix-list switchb index 50 permit 21.1.1.0 24
[SwitchB] mpls ldp
[SwitchB-ldp] lsp-trigger prefix-list switchb
[SwitchB-ldp] quit
# On Switch C, create IP prefix list switchc, and configure LDP to use only the routes permitted by
the prefix list to establish LSPs.
[SwitchC] ip prefix-list switchc index 10 permit 1.1.1.9 32
[SwitchC] ip prefix-list switchc index 20 permit 2.2.2.9 32
[SwitchC] ip prefix-list switchc index 30 permit 3.3.3.9 32
[SwitchC] ip prefix-list switchc index 40 permit 11.1.1.0 24
[SwitchC] ip prefix-list switchc index 50 permit 21.1.1.0 24
[SwitchC] mpls ldp
[SwitchC-ldp] lsp-trigger prefix-list switchc
[SwitchC-ldp] quit
Verifying the configuration
# Display LDP LSP information on switches, for example, on Switch A.
[SwitchA] display mpls ldp lsp
Status Flags: * - stale, L - liberal, B - backup
Statistics:
FECs: 5
FEC
1.1.1.9/32
2.2.2.9/32
3.3.3.9/32
11.1.1.0/24
21.1.1.0/24
# Test the connectivity of the LDP LSP from Switch A to Switch C.
[SwitchA] ping mpls -a 11.1.1.1 ipv4 21.1.1.0 24
MPLS Ping FEC: 21.1.1.0/24 : 100 data bytes
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
Ingress LSPs: 3
In/Out Label
3/-
-/1279(L)
-/3
1279/3
-/1278
1278/1278
1277/-
-/1277(L)
-/1276
1276/1276
Transit LSPs: 3
Nexthop
10.1.1.2
10.1.1.2
10.1.1.2
10.1.1.2
10.1.1.2
10.1.1.2
39
Egress LSPs: 2
OutInterface
Vlan-int2
Vlan-int2
Vlan-int2
Vlan-int2
Vlan-int2
Vlan-int2