Access Point Troubleshooting

The table below lists some of the troubleshooting guidelines for the access point (AP).
 
Problem Solution
The AP did not receive a valid IP address via the DHCP. Be sure you have an active DHCP server available on the VLAN/subnet with the connected AP. If the AP still fails to get a valid IP address, you can reboot it to resolve the issue.
Unable to connect to the server.
  • Be sure you have an active server and reachable by the connected. If a firewall or a router has Access Control Lists (ACLs) enabled between the AP and the server, allow traffic on UDP port 3851.
  • Use the IP-based server discovery method and be sure you correctly entered the DNS name, wifi-security-server, on the DNS server.
  • Be sure the DNS server has correctly configured the IP addresses, or provided by the DHCP server.
  • The AP might fail to authenticate with the server. In this case, an 'Authentication failed ' event logs to the server. Refer to the event for recommended action.
The AP has encountered a problem.
  • If you are using Arista Cloud Services, then open the TCP port 443 (SSL). If you have an on-premises installation, then open UDP port 3851 and port 80.
  • If you are using a Proxy, Web Accelerator, or URL Content Filter between the AP and the Internet, ensure that the settings allow communication between the AP and Arista Cloud Services.
  • If your configuration requires you to specify an exact IP address or IP range for Arista Cloud Services, contact This email address is being protected from spambots. You need JavaScript enabled to view it..