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rjonker's avatar
rjonker
Icon for Nimbostratus rankNimbostratus
Nov 19, 2009

Need help. HTTP monitor based on hostname

Hi,   When I create a basic HTTP monitor and use a hostname the result is that the actual ip address of the host is used in the monitor. A one time nslookup is done.   If the ip address of t...
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monitoring
rjonker's avatar
rjonker
Icon for Nimbostratus rankNimbostratus
Nov 19, 2009
I use this a health monitor to check the status of the ISP link on a Link Controller. I want to check that some internet web pages are reachable by just doing a "GET /".

 

If I configure the basic http monitor I type for instance www.nu.nl as the adress to be checked. If the monitor is now created I see that the ip address is put in there instead of www.nu.nl.

 

 

}

 

monitor HTTP-Nu {

 

defaults from http

 

transparent

 

dest 62.69.179.231:http

 

}

 

 

 

Now if www.nu.nl changes the ip address, the monitor will still check the old address and therefore fails.

 

So I need a script that can do an dns lookup first and then do the check on the resolved ip address.

 

BIGIP is running version: 9.4.5 with HF2 (soon to be upgraded to 10.0.1