Bug in GTM Monitor?

Hi,

 

I tested it in 11.5.1 HF8 and 11.6.0 HF4.

 

I have two boxes. One with GTM license and other with LTM. The LTM have some VSs already configured.The GTM is load balancing DNS request to LTM. But my point here is about a VS I did in GTM.

 

When I manually set up a VS in GTM inside the LTM Server with the IP address of a VS that is in LTM, the status stay green as we expect. But if I change the IP address from this VS in GTM, the status still green! If I go in LTM and disable the nodes to force the VS status go down, the VS in GTM go down too, even with the IP address that is not from the VS in LTM.

 

Is it a bug or this action is normal?

 

Thanks.