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2funky_105078's avatar
2funky_105078
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Apr 22, 2014

GTM: avoiding flapping DNS answers with RTT method

I am in the need to understand how GTM metrics work for GTM LDNS probes.   1) how they can be logged the decision? I am using 11.2 but moving fast to 11.4.1.. :)   2) Lets make an example. if...
BIG-IP DNS
design
dns
metrics
  • Cory_50405's avatar
    Cory_50405
    Apr 23, 2014

    The only solution I could see in your situation is to break your single pool into three pools, and either stick with RTT and enable persistence at the wide IP, or switch to topology. Either one should get you some more consistency.

     

Cory_50405's avatar
Cory_50405
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Apr 23, 2014

That's correct. You'd need multiple pools and multiple pool members in each pool to fully utilize the topology/RTT load balancing setup. Knowing your current setup, I see why you chose RTT vice topology.