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Cisco Bug: CSCus10565 - 3850 / 3650 Does not set MF Bit on Fragmented IP Fragments

Last Modified

Feb 28, 2018

Products (1)

  • Cisco Catalyst 3650 Series Switches

Known Affected Releases

15.0(1)EZ5 15.2(2)E 15.2(2)E1

Description (partial)

Symptom:
3850 and 3650 Switches will fail to set the More Fragments (MF) Bit on Fragmented IP Traffic that needs to be fragmented further.

Conditions:
The packet that needs to be fragmented must already be a fragmented packet. If the packet that is fragmented is complete (hasn't been fragmented yet), then this issue will not be triggered. It is only applicable to Fragmented IP Traffic that needs to be fragmented further.
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