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Cisco Bug: CSCuo93795 - ASR9K L2VPN ATOM P2P doesn't come up

Last Modified

Mar 05, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

4.2.3.ROUT

Description (partial)

Symptom:
New Xconnect/ATOM p2p l2vpn remains down and "show l2vpn xconnect detail" would show the following:

  List of VFIs:
    VFI 1 (up)
      PW: neighbor 10.10.10.11, PW ID 6001, state is down ( provisioned ) (Segment-down)
        PW class not set, XC ID 0xc0000002
        Encapsulation MPLS, protocol LDP
        Source address 10.10.10.10
        PW type Ethernet, control word disabled, interworking none
        PW backup disable delay 0 sec
        Sequencing not set
        Load Balance Hashing: src-dst-mac

        PW Status TLV in use
          MPLS         Local                          Remote                        
          ------------ ------------------------------ -------------------------
          Label        16009                          unknown                       
          Group ID     0x2                            0x0                           
          Interface    1                              unknown                       
...
      PW: neighbor 10.10.10.12, PW ID 6002, state is up ( established )        PW class not set, XC ID 0xc0000003
        Encapsulation MPLS, protocol LDP
        Source address 10.10.10.10
        PW type Ethernet, control word disabled, interworking none
        PW backup disable delay 0 sec
        Sequencing not set
        Load Balance Hashing: src-dst-mac

        PW Status TLV in use
          MPLS         Local                          Remote                        
          ------------ ------------------------------ -------------------------
          Label        16002                          18462                         
          Group ID     0x2                            0x18                          
          Interface    1                              2

Conditions:
Installing the L2VPN with a manual VPWS PW and a manual VPLS VFI PW to the same neighbor.
Issue is not easily reproducible.
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