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Cisco Bug: CSCtb28880 - Spurious memory access, %ALIGN-3-TRACE and crash with MPLS and NAT

Last Modified

Jan 31, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.4(25)M0

Description (partial)

Symptom:
Problem description:
- 12.4(25)
- Spurious memory access by the tag_sw code when source NAT is enabled on the MPLS interface.
- After some time, router crashes with following messages:
%ALIGN-1-FATAL: Illegal access to a low address
Conditions:
- Source NAT enabled on MPLS interface.
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
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