111
10.1.1.1/32 Flag: 0x00 (No FRR)
10.1.1.2/32 Flag: 0x00 (No FRR)
2.2.2.9/32 Flag: 0x20 (No FRR/Node-ID)
20.1.1.1/32 Flag: 0x00 (No FRR)
20.1.1.2/32 Flag: 0x00 (No FRR)
3.3.3.9/32 Flag: 0x20 (No FRR/Node-ID)
Fast Reroute protection: None
Tunnel name: Tunnel3
Destination: 3.3.3.9 Source: 1.1.1.9
Tunnel ID: 3 LSP ID: 30107
LSR type: Ingress Direction: Unidirectional
Setup priority: 7 Holding priority: 7
In-Label: - Out-Label: 1150
In-Interface: - Out-Interface: Vlan4
Nexthop: 30.1.1.2 Exclude-any: 0
Include-Any: 0 Include-all: 0
Mean rate (CIR): 0 kbps Mean burst size (CBS): 1000.00 bytes
Path MTU: 1500 Class type: CT0
RRO number: 6
30.1.1.1/32 Flag: 0x00 (No FRR)
30.1.1.2/32 Flag: 0x00 (No FRR)
4.4.4.9/32 Flag: 0x20 (No FRR/Node-ID)
40.1.1.1/32 Flag: 0x00 (No FRR)
40.1.1.2/32 Flag: 0x00 (No FRR)
3.3.3.9/32 Flag: 0x20 (No FRR/Node-ID)
Fast Reroute protection: None
# Tracert the tunnel destination 3.3.3.9. The output shows that the used CRLSP is the one that traverses
Switch B.
[SwitchA] tracert –a 1.1.1.9 3.3.3.9
traceroute to 3.3.3.9 (3.3.3.9) from 1.1.1.9, 30 hops at most, 40 bytes each pac
ket, press CTRL_C to break
1 10.1.1.2 (10.1.1.2) 1.000 ms 1.000 ms 1.000 ms
2 * * *
# Shut down interface VLAN-interface 2 on Switch B, and then tracert the tunnel destination. The output
shows that packets are forwarded on the CRLSP that traverses Switch D.
[SwitchA] tracert –a 1.1.1.9 3.3.3.9
traceroute to 3.3.3.9 (3.3.3.9) from 9.1.1.1, 30 hops at most, 40 bytes each pac
ket, press CTRL_C to break
1 30.1.1.2 (30.1.1.2) 3.000 ms 7.000 ms 3.000 ms
2 * * *
# Execute the
display mpls lsp
command on Switch A. The output shows that only one CRLSP exists on the
switch.
[SwitchA] display mpls lsp
FEC Proto In/Out Label Interface/Out NHLFE
1.1.1.9/3/48984 RSVP -/1150 Vlan4
30.1.1.2 Local -/- Vlan4