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Cisco Bug: CSCvv32514 - 9800 sending radius packets with df-bit set and not honoring PMTU

Last Modified

Sep 15, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

16.12.2 16.12.3

Description (partial)

9800 sending radius packets over ipsec tunnel with df-bit set which prevents fragmentation and causes packet drops at the edge router. The controller is receiving fragmentation needed packets

9800 with default settings authenticating clients with radius server authenticating using EAP over ipsec tunnel that has specified MTU and fragmentation occurring on any packets above the MTU
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