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# Configure Router A as the active end of the co-routed bidirectional tunnel.
[RouterA] interface tunnel 1 mode mpls-te
[RouterA-Tunnel1] ip address 7.1.1.1 255.255.255.0
[RouterA-Tunnel1] destination 4.4.4.9
[RouterA-Tunnel1] mpls te signaling rsvp-te
[RouterA-Tunnel1] mpls te resv-style ff
[RouterA-Tunnel1] mpls te bidirectional co-routed active
[RouterA-Tunnel1] quit
# Configure Router D as the passive end of the co-routed bidirectional tunnel.
[RouterD] interface tunnel 4 mode mpls-te
[RouterD-Tunnel4] ip address 8.1.1.1 255.255.255.0
[RouterD-Tunnel4] destination 1.1.1.9
[RouterD-Tunnel4] mpls te signaling rsvp-te
[RouterD-Tunnel4] mpls te resv-style ff
[RouterD-Tunnel4] mpls te bidirectional co-routed passive reverse-lsp lsr-id 1.1.1.9
tunnel-id 1
[RouterD-Tunnel4] quit
Verifying the configuration
# Execute the display interface tunnel command on Router A. The output shows that the tunnel
interface is up.
[RouterA] display interface tunnel
Tunnel1 current state: UP
Line protocol current state: UP
Description: Tunnel1 Interface
The Maximum Transmit Unit is 64000
Internet Address is 7.1.1.1/24 Primary
Tunnel source unknown, destination 4.4.4.9
Tunnel bandwidth 64 (kbps)
Tunnel protocol/transport CR_LSP
Last clearing of counters: Never
Last 300 seconds input rate: 0 bytes/sec, 0 bits/sec, 0 packets/sec
Last 300 seconds output rate: 0 bytes/sec, 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 drops
0 packets output, 0 bytes, 0 drops
# Execute the display mpls te tunnel-interface command on Router A to display detailed
information about the MPLS TE tunnel.
[RouterA] display mpls te tunnel-interface
Tunnel Name
Tunnel State
Tunnel Attributes
LSP ID
Admin State
Ingress LSR ID
Signaling
Resv Style
Tunnel mode
Reverse-LSP name
Reverse-LSP LSR ID
: Tunnel 1
: Up (Main CRLSP up, Reverse CRLSP up)
:
: 30478
Tunnel ID
: Normal
: 1.1.1.9
Egress LSR ID
: RSVP-TE
Static CRLSP Name
: FF
: Co-routed, active
: -
: -
Reverse-LSP Tunnel ID: -
131
: 1
: 4.4.4.9
: -
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