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Forum Discussion

atomicdog_7107's avatar
atomicdog_7107
Icon for Nimbostratus rankNimbostratus
Feb 07, 2008

Forced Failover via iRule?

We have an application team that is requesting something odd... and I believe that the only way to set this up is via iRules. Here's the scenario...     We have one physical primary server with...
application delivery
dev
devops
iRules
commsmonkey_172's avatar
commsmonkey_172
Icon for Nimbostratus rankNimbostratus
Oct 10, 2010
How about multiple WideIPs talking to the same HTTPS VIPs where an iRule directs traffic to destination pools based on the host section of the decrypted URL.

 

How do I feedback to the GTM that the WideIP should not use the site if the pool is down but continue to use it where the other pools are up.

 

 

I.e

 

WideIPs:

 

abc.here.com

 

123.here.com

 

 

both go to VIPs

 

 

Site 1 LTM - 10.1.1.1

 

Site 2 LTM - 10.1.2.1

 

 

Which has an irule that checks the requested URL then sends to Pool_abc or Pool_123 as per hostname

 

If Pool_abc is down at site 1 I want the VIP to be removed from the abc.here.com WideIP but to remain in the 123.here.com WideIP

 

 

Is this possible?

 

 

I'm thinking HTTPS health checks on the WideIP Pool members but is it possible via an irule also?