https://community.cisco.com/t5/wireless/invalid-replay-counter/m-p/4969015#M263679 <P>Make sure your WLC software is up to date as per TAC recommended link below.&nbsp; You haven't mentioned what WLC, APs and software version you're currently using so not possible to comment any further.</P> <P>Also make sure the client OS and WiFi drivers are fully updated to the latest versions.</P> Thu, 30 Nov 2023 13:38:43 GMT Rich R 2023-11-30T13:38:43Z https://community.cisco.com/t5/wireless/invalid-replay-counter/m-p/4968580#M263642 <P>Hello</P><P>Anyone can explain what this error say?</P><P>*Dot1x_NW_MsgTask_7: Nov 30 07:14:14.829: %DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:452 Invalid replay counter from client 7c:b5:66:6b:4c:f7 - got 00 00 00 00 00 00 00 00, expected 00 00 00 00 00 00 00 03<BR />*Dot1x_NW_MsgTask_7: Nov 30 07:14:14.828: %DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:452 Invalid replay counter from client 7c:b5:66:6b:4c:f7 - got 00 00 00 00 00 00 00 01, expected 00 00 00 00 00 00 00 03<BR />*Dot1x_NW_MsgTask_7: Nov 30 07:14:14.817: %DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:452 Invalid replay counter from client 7c:b5:66:6a:e4:bf - got 00 00 00 00 00 00 00 00, expected 00 00 00 00 00 00 00 03<BR />*Dot1x_NW_MsgTask_6: Nov 30 07:14:14.805: %DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:452 Invalid replay counter from client 7c:b5:66:6b:fd:e6 - got 00 00 00 00 00 00 00 00, expected 00 00 00 00 00 00 00 02<BR />*Dot1x_NW_MsgTask_7: Nov 30 07:14:14.804: %DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:452 Invalid replay counter from client 7c:b5:66:6a:e4:bf - got 00 00 00 00 00 00 00 01, expected 00 00 00 00 00 00 00 03<BR />*Dot1x_NW_MsgTask_0: Nov 30 07:14:14.791: %DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:452 Invalid replay counter from client 7c:b5:66:6c:f2:00 - got 00 00 00 00 00 00 00 01, expected 00 00 00 00 00 00 00 03<BR />*Dot1x_NW_MsgTask_6: Nov 30 07:14:14.780: %DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:452 Invalid replay counter from client 7c:b5:66:6b:fd:e6 - got 00 00 00 00 00 00 00 00, expected 00 00 00 00 00 00 00 02<BR />*Dot1x_NW_MsgTask_6: Nov 30 07:14:14.740: %DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:452 Invalid replay counter from client 7c:b5:66:6b:fd:e6 - got 00 00 00 00 00 00 00 01, expected 00 00 00 00 00 00 00 02</P> Thu, 30 Nov 2023 00:27:05 GMT https://community.cisco.com/t5/wireless/invalid-replay-counter/m-p/4968580#M263642 hs08 2023-11-30T00:27:05Z https://community.cisco.com/t5/wireless/invalid-replay-counter/m-p/4968807#M263663 <P>&nbsp;</P> <P>&nbsp;- FYI :&nbsp;<A href="https://community.cisco.com/t5/wireless/dot1x-3-invalid-replay-ctr/m-p/1061866#M31645" target="_blank">https://community.cisco.com/t5/wireless/dot1x-3-invalid-replay-ctr/m-p/1061866#M31645</A></P> <P>&nbsp;M</P> Thu, 30 Nov 2023 07:30:09 GMT https://community.cisco.com/t5/wireless/invalid-replay-counter/m-p/4968807#M263663 Mark Elsen 2023-11-30T07:30:09Z https://community.cisco.com/t5/wireless/invalid-replay-counter/m-p/4969015#M263679 <P>Make sure your WLC software is up to date as per TAC recommended link below.&nbsp; You haven't mentioned what WLC, APs and software version you're currently using so not possible to comment any further.</P> <P>Also make sure the client OS and WiFi drivers are fully updated to the latest versions.</P> Thu, 30 Nov 2023 13:38:43 GMT https://community.cisco.com/t5/wireless/invalid-replay-counter/m-p/4969015#M263679 Rich R 2023-11-30T13:38:43Z