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--- siteadmin:radius_troubleshooting [2017/10/10 10:15] – admin
+++ siteadmin:radius_troubleshooting [2019/08/28 13:32] (current) – admin
@@ Line 1: / Line 1: @@
+======General Troubleshooting======
+=====Common Problems====
+  * The govroam monitoring system should be sending ICMP and RADIUS requests to your servers quite frequently (several times every five minutes). So you should be able to see these in your firewall logs or using Wireshark on your server. If you can't then check your firewall settings to allow ICMP echo/response and UDP port 1812 (incoming for Home sites, outgoing for Visited).
+  * A log message similar to: "message authenticator attribute that is not valid" means, most likely, that the shared secret with the sending system is incorrect.
 ====Rejected authentication requests====
@@ Line 33: / Line 40: @@
   NAS-Port
   NAS-Port-Type
+  Service-Type
 <blockquote>