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Cisco Bug: CSCum68602 - MPLS VRF MIBs are not cleaning up interface list iterators

Last Modified

Oct 04, 2020

Products (21)

  • Cisco IOS
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco 7301 Router
  • Cisco 7206 Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco 7204 Router
  • Cisco 7206VXR Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901-6CZ-FT-A Router
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Known Affected Releases

15.2(4)S3 15.3(2)S1

Description (partial)

SNMP GET requests for OIDs relating to interface objects in the MPLS-VPN-MIB and MPLS-L3VPN-STD-MIB will cause IOS to leak an internal structure. This can lead to a reduction in available memory and can cause interrupts to be disabled for extended periods. On some platforms, this will lead to messages like:

 %PLATFORM_INFRA-5-IOS_INTR_OVER_LIMIT: IOS thread disabled interrupt for xx msec

SNMP polling of VRF MIB data.
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