Tunneled Node Server Failover

Aruba Employee
Q:

How to configure "Tunneled Node Server Failover" in Mobility access switch?



A:

Starting ArubaOS 7.1.1, user can specify a back-up controller in case the primary controller fails. When tunneled node server failover is configured (i.e. back-up controller is specified by configuration), the controllers will be checked for reachability periodically at 30 seconds interval (not user configurable at the time of release)

 

  • Two attempts will be made before failover takes place while the back-up controller is reachable

 

Tunneled Node Server Failover – Configuration

 

  • Back-up controller can be specified in the tunneled-node profile:


(ArubaS3500)(config) #interface-profile tunneled-node-profile TUNNELED_FAILOVER
(ArubaS3500)(Tunneled Node Server profile "TUNNELED_FAILOVER") #controller-ip 172.16.0.254
(ArubaS3500)(Tunneled Node Server profile "TUNNELED_FAILOVER") #backup-controller-ip 172.16.0.253
(ArubaS3500)(Tunneled Node Server profile "TUNNELED_FAILOVER") #exit

 

Tunneled node server failover (back-up controller) can be verified using following CLI command:


ArubaS3500)#show interface-profile tunneled-node-profile TUNNELED_FAILOVER

Tunneled Node Server profile "TUNNELED_FAILOVER"
--------------------------------------------
Parameter                     Value
---------                     -----
Controller IP Address         172.16.0.254
Backup Controller IP Address  172.16.0.253
Keepalive timeout in seconds  10
MTU on path to controller     1400
 

Version history
Revision #:
2 of 2
Last update:
‎03-07-2016 11:48 AM
Updated by:
 
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