M and MSM Series

Network loops when using an access controlled VSC

 
ABCSupport
New Member

Network loops when using an access controlled VSC

Hello,

 

We are having a strange issue where our controller LAN mac address will momentarily appear on the AP switch port. This will cause an address flap periodically throughout the day until our network becomes completely unstable.

 

We are on Version 6.5.1. This behavior didn't happen in version 5.x. Unfortunately, we cannot go back to 5.x as we need the bonjour features in 6. 

 

Has anyone else seen this before? Below are the warnings from our Cisco switch.

 

 

 

4-Warning 6/1/2015 7:52 Host 2C:41:38:42:xx:xx in vlan 1 is flapping between port Gi1/2 and port Gi7/29
4-Warning 6/1/2015 7:56 Host 2C:41:38:42:xx:xx in vlan 1 is flapping between port Gi1/15 and port Gi7/29
4-Warning 6/1/2015 7:56 Host 2C:41:38:42:xx:xx in vlan 1 is flapping between port Gi1/3 and port Gi7/29
4-Warning 6/1/2015 8:02 Host 2C:41:38:42:xx:xx in vlan 1 is flapping between port Gi1/4 and port Gi7/29
4-Warning 6/1/2015 8:17 Host 2C:41:38:42:xx:xx in vlan 1 is flapping between port Gi2/26 and port Gi7/29
4-Warning 6/1/2015 8:18 Host 2C:41:38:42:xx:xx in vlan 1 is flapping between port Gi1/4 and port Gi7/29
4-Warning 6/1/2015 8:24 Host 2C:41:38:42:xx:xx in vlan 1 is flapping between port Gi1/5 and port Gi7/29 

1 REPLY 1
FranoM
Advisor

Re: Network loops when using an access controlled VSC

Hello,

 

Did you tried the 6.5.2.0 firmware ?

 

Regards,