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Cisco Bug: CSCtb03565 - FWSM corrupts ICMP time to live exceeded with MPLS TAG

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Catalyst 6500 Series Firewall Services Module

Known Affected Releases


Description (partial)


Traceroute not working through FWSM. All hops except last returns failure "*".

FWSM running 4.0.6 or 3.2.12. The outside network is an mpls cloud that adds mpls tags to the echo request.
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