Controller Based WLANs

Why does the error "Max bridge entries limit hit on the port x/y/z" show up in controller syslog?

by ‎05-30-2016 02:37 PM - edited ‎05-30-2016 02:37 PM
Problem:

One would see the below messages logged in syslog:

Aug 26 08:09:47  fpapps[2162]: <399838> <WARN> |fpapps|  Max bridge entries limit hit on the port 4160749835/0 
Aug 26 08:10:48  fpapps[2162]: <399838> <WARN> |fpapps|  Max bridge entries limit hit on the port 4160749835/0 
Aug 26 08:11:49  fpapps[2162]: <399838> <WARN> |fpapps|  Max bridge entries limit hit on the port 4160749835/0 
Aug 26 08:12:50  fpapps[2162]: <399838> <WARN> |fpapps|  Max bridge entries limit hit on the port 4160749835/0 
Aug 26 08:13:51  fpapps[2162]: <399838> <WARN> |fpapps|  Max bridge entries limit hit on the port 4160749835/0

 

 



Diagnostics:

These messages are part of port security feature, using which administrator can control the limit of mac address it can learn on a particular port.

If the number of mac adresses exceeds on a given port, fpapps logs the below warning message on syslog and drop the new mac entries.

“Max bridge entries limit hit on the port x/y/z”

 

 



Solution

Logging of syslog messages would stop after clearing the port for security error. Once can use the below format to clear the counters:

 

clear port-security-recovery gigabitethernet x/y/z

 

Comments

How does the administrator control this? there is no port security command found the 6.4.4 CLI reference guide.

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