Cisco Bug: CSCvt81620 - Links flap between two 9300 switch post applying CTS Manual configuration.
Aug 24, 2020
- Cisco IOS
Known Affected Releases
Symptom: Directly connected link will flap after configuring CTS manual on the interfaces. HKT: %LINK-5-CHANGED: Interface GigabitEthernet1/1/1, changed state to administratively down Conditions: When two C9300-24 switches connected directly. When the below configuration has done on the interfaces. ! interface GigabitEthernet1/1/1 switchport mode trunk switchport nonegotiate cts manual no propagate sgt sap pmk 0000000000000000000000000000000000000000000000000000000012345678 mode-list gcm-encrypt null no-encap end
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