Symptom
Client stuck in IP learn due to stale entry
Conditions
9800 with local mode AP.
these logs may appear on client traces:
2021/08/30 13:36:28.721604 {wncd_x_R0-0}{2}: [sisf-gleaner] [23345]: (debug): Wireless association received from CO for mac: hhhh.hhhh.hhhh, Vlan: 153, Zone-id: 0x00000000
2021/08/30 13:36:28.721609 {wncd_x_R0-0}{2}: [sisf-mac] [23345]: (debug): capwap_90000091 vlan 153 mac hhhh.hhhh.hhhh 2 OLD Mac - diff IFIDVLAN:153
2021/08/30 13:36:28.721611 {wncd_x_R0-0}{2}: [sisf-mac-fsm] [23345]: (debug): State :MAC-NONE
2021/08/30 13:36:28.721612 {wncd_x_R0-0}{2}: [sisf-mac] [23345]: (ERR): vlan 0 Invalid entry for ctx event 17
Workaround
switchover or reload should fix this
