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Cisco Bug: CSCur06155 - L2VPN Interoperability - Alcatel-Lucent Negative MAC Flush notification

Last Modified

Jul 30, 2018

Products (7)

  • Cisco Carrier Routing System
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases

5.1.2.MPLS

Description (partial)

Symptom:
An ASR9000 does not understand the negative mac flush notification sent by an ALU PE. The following debug message can be seen in ASR9000:

RP/0/RSP0/CPU0:Sep 12 06:37:21.607 : l2vpn_mgr[1176]: DBG-ATOM: ldp_atom_pw_lbl_msg_decode:3646, 'Failed to process msg_type=769, tlv_cnt=3

Conditions:
A multi-vendor network with ASR9000 and ALU PEs, where ALU is configured to transmit negative mac flushes in case of link down events
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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