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Cisco Bug: CSCul04778 - CTC allows TP link config with different subnet as next hop

Last Modified

Jan 31, 2017

Products (1)

  • Cisco Carrier Packet Transport (CPT) System

Known Affected Releases

9.53 9.531 9.535

Description (partial)

Symptom:
CTC allows TP link config with different subnet as next hop

Conditions:
. Configure IP address in an interface say 10.10.10.1
2. Create MPLS TP link configuration with the next hop IP address as 20.20.20.1
3. It will be created in CTC. But in IOS, it wont be available.
4. Create TP tunnel using that port and it will be created.
5. The TP tunnel will remain in DOWN since it is not aware of the TP link config created.
6. The output of "sh mp tp tu ls" will be as follows,

10.64.107.103#sh mp tp tu ls
MPLS-TP Tunnels:
Tunnel Peer                         Active Local   Out     Out        Oper
Number global-id::node-id::tun         LSP Label   Label   Interface  State
------ -----------------------      ------ -----   -----   ---------  -----
6      0::108.108.108.108::6          work                                  
       working-lsp:num 0, actv             20      19      unknown    down
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