We have four new AP AirEngine 5760-51 in the remote office.
We have the switch S6730 as WLAN AC in the headquarter office.
And we have 11 AP AirEngine 5760-51 in the headquarter office – these APs was configured about four months ago and they are working ok.
Our new APs obtained ip-address of the AC sucsessfully from dhcp with the option 43 suboption 2 and CAPWAP is on.
But the states of all new APs never go to “normal” and change only “cfg”, then “cfgfa” and then “fault” (AP rebooting) and turn again “cfg”-“cffgfa”-etc.
All APs – 11 in HQ and 4 in remote offise have the same firmware version V200R020C00SPC300
The switch S6730 has the version V200R020C10SPC500.
The fact that all the new APs are stuck in the “cfg”-“cfgfa”-etc state indicates that there is a problem with the configuration or communication between the APs and the WLAN AC. Here are some troubleshooting steps you can take:
Verify that the APs are able to reach the WLAN AC: Check that the new APs are able to communicate with the WLAN AC by pinging it from the APs. Also, check that there are no firewall rules or ACLs blocking communication between the APs and the WLAN AC.
Check the CAPWAP configuration on the APs: Verify that the CAPWAP settings on the new APs are correct and match the configuration on the WLAN AC. Make sure that the APs are using the correct CAPWAP mode (local or central), and that the APs are configured with the correct IP address of the WLAN AC.
Check the APs’ configuration files: Verify that the configuration files for the new APs are being downloaded correctly from the WLAN AC. You can check the logs on the APs and the WLAN AC to see if there are any errors or issues during the download process.
Check the firmware version compatibility: Ensure that the firmware version of the APs is compatible with the firmware version of the WLAN AC. Check the release notes and compatibility matrix to ensure that the APs’ firmware is supported by the WLAN AC.
Check for duplicate IP addresses: Verify that there are no duplicate IP addresses on the network, as this can cause conflicts with the APs.
Check DHCP configuration: Ensure that the DHCP server is correctly configured and providing the necessary options to the APs. Specifically, check that the option 43 suboption 2 is correctly configured and being provided to the new APs.
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