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Cisco Bug: CSCte48104 - Different IP MTU on E3 gig sub-intfs can cause fragmented traffic lost

Last Modified

Jun 22, 2017

Products (1)

  • Cisco 12000 Series Routers

Known Affected Releases


Description (partial)


Transit traffic which needs fragmentation might not be fragmented properly. Hence
that traffic might be lost.


If we have different "ip mtu" values on sub-interfaces under main-interface.
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