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Cisco Bug: CSCtb84873 - IPRAN - AVM11Error in loop "DCBase.dcForward loop detected during FORW"

Last Modified

Aug 10, 2010

Products (1)

  • Cisco Prime Network

Known Affected Releases

3.6(7.22)

Description (partial)

Symptom:
OutOfMemory errors in couple of AVM logs.
Conditions:

Running with IPRAN scale setup for 12 hours with noise (Syslogs, tickets, maps, client, BQL's etc) we've noticed the following Error pointing on loops in few specific VNEs (please see the full Error in the attached logs) on Unit 10.56.57.109/ AVMs 327,342, 343 :

ERROR [09 09 2009 02:13:01.424 IDT] - DCBase.dcForward - 50.0.13.22 Base Band: 0.25: loop dete
cted during FORWARD flow UP
  ############## Looped packet's dump trace #############
  # Packet =
  #       ############## Packet ID null #############
  #       # Bridging LSD, MAC address 00 01 00 03 96 68
  #       # Encaps LSD, encapsulation type: l2vlan encap ID 200
  #       # MPLS LSD, inner label: 16
  #       # Tunnel LSD, tunnel type 1, tunnel id 155000905000
  #       # IP LSD: 1.1.140.243,255.255.255.255

This was observed once and was never reprocuded during test.
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