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Cisco Bug: CSCte49110 - FWSM setting DF bit on reassembled skinny packet

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Catalyst 6500 Series Firewall Services Module

Known Affected Releases


Description (partial)

With skinny inspection enabled, and the ip phone sending a fragmented/segmented skinny packet. It might be that the FWSM is dropping this reassembled packet after inspection because it fails to fragment it again (DF bit gets set).

a skinny device is sending a large fragmented/segmented packet which after reassembly exceeds the outgoing interface MTU.
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