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Cisco Bug: CSCul99837 - ISE tcpdump automatically reassembles fragmented IP packets

Last Modified

Jul 19, 2016

Products (1)

  • Cisco Identity Services Engine

Known Affected Releases


Description (partial)

It seems ISE is automatically configured for TCP offloading which means the NIC automatically reassembles IP packets.

This translates into the fact that if you take a TCPdump on ISE, you will see IP packet with length of 3000-4000, i.e. way above the MTU.

Taking TCPdump on ISE 1.2
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