15
# Configure Switch C.
[SwitchC] mpls lsr-id 3.3.3.9
[SwitchC] interface vlan-interface 3
[SwitchC-Vlan-interface3] mpls enable
[SwitchC-Vlan-interface3] quit
4. Configure a static LSP from Switch A to Switch C:
# Configure the LSP ingress node, Switch A.
[SwitchA] static-lsp ingress AtoC destination 21.1.1.0 24 nexthop 10.1.1.2 out-label
30
# Configure the LSP transit node, Switch B.
[SwitchB] static-lsp transit AtoC in-label 30 nexthop 20.1.1.2 out-label 50
# Configure the LSP egress node, Switch C.
[SwitchC] static-lsp egress AtoC in-label 50
5. Configure a static LSP from Switch C to Switch A:
# Configure the LSP ingress node, Switch C.
[SwitchC] static-lsp ingress CtoA destination 11.1.1.0 24 nexthop 20.1.1.1 out-label
40
# Configure the LSP transit node, Switch B.
[SwitchB] static-lsp transit CtoA in-label 40 nexthop 10.1.1.1 out-label 70
# Configure the LSP egress node, Switch A.
[SwitchA] static-lsp egress CtoA in-label 70
145BVerifying the configuration
# Display static LSP information on switches, for example, on Switch A.
[SwitchA] display mpls static-lsp
Total: 2
Name FEC In/Out Label Nexthop/Out Interface State
AtoC 21.1.1.0/24 NULL/30 10.1.1.2 Up
CtoA -/- 70/NULL - Up
# Test the connectivity of the 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=4 ms
100 bytes from 20.1.1.2: Sequence=2 time=1 ms
100 bytes from 20.1.1.2: Sequence=3 time=1 ms
100 bytes from 20.1.1.2: Sequence=4 time=1 ms
100 bytes from 20.1.1.2: Sequence=5 time=1 ms
--- FEC: 21.1.1.0/24 ping statistics ---
5 packets transmitted, 5 packets received, 0.0% packet loss
round-trip min/avg/max = 1/1/4 ms
# Test the connectivity of the LSP from Switch C to Switch A.
[SwitchC] ping mpls -a 21.1.1.1 ipv4 11.1.1.0 24
MPLS Ping FEC: 11.1.1.0/24 : 100 data bytes
100 bytes from 10.1.1.1: Sequence=1 time=5 ms
100 bytes from 10.1.1.1: Sequence=2 time=1 ms
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