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Frequent Contributor II

STP flapping on management vlan

Anyone seen any issues on a 6000 controller, 63 code where the mgmt vlan is suddenly transissioning between forwarding/blocking, all other user vlans ok ??

ACMA/ACMP
Guru Elite

Re: STP flapping on management vlan

How is the interface configured on the switch and the Aruba Controller?

How is spanning tree configured on the switch and the Aruba Controller?

Do you have two links between the controller and the switch?

 



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Frequent Contributor II

Re: STP flapping on management vlan

Colin, no single link multiple controllers.  Been ok for months/years just the management untagged vlan going blocking/forwarding therefore the VRRP is getting screwed.   I suspect a bug but cant see anything in release notes. The other controller no issues.

ACMA/ACMP
Guru Elite

Re: STP flapping on management vlan

Did you recently upgrade?


Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Frequent Contributor II

Re: STP flapping on management vlan

No not for some time, had to remove the controller from environment at present

ACMA/ACMP
Guru Elite

Re: STP flapping on management vlan

What changes were made before the issue started happening? If it has been good and you have not upgraded the code, it is the configuration of the controller or the switch.


Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Frequent Contributor II

Re: STP flapping on management vlan

Yes I thought so also, they have disabled STP on the vlan and still no joy,   not sure if any other changes made however..

ACMA/ACMP
Guru Elite

Re: STP flapping on management vlan

stunshot,

 

If you already removed it from the network, we can only speculate on what your issue is.  If you decide to put to back together, please contact support so that they can have live data needed to help you.

 



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

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