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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

12.0(32)SY

Description (partial)

Symptom:

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

Conditions:

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