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Cisco Bug: CSCsz39167 - CEF broken with packet size >1530 bytes on Cellular interface

Last Modified

Jan 24, 2017

Products (1)

  • Cisco 800 Series Routers

Known Affected Releases


Description (partial)

Symptoms: If a tunnel is configured over the 880-3G cellular interface, 
traffic forwarding stops when the packet size is greater than the tunnel MTU.

Conditions: The symptom is observed when a tunnel is configured over a cellular
interface and running Cisco IOS Release 12.4(24)T.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
  • Related Community Discussions
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