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Forum Discussion

Kelly's avatar
Kelly
Icon for Nimbostratus rankNimbostratus
Sep 07, 2018

multiple DNS::answers from a Datagroup

multiple DNS answers in an iRule   We're looking to implement transparent caching on our LTM/DNS F5s. We have a few DNS entries that we want to statically rewrite on the F5. I've written a sample i...
application delivery
BIG-IP DNS
LTM
Stanislas_Piro2's avatar
Stanislas_Piro2
Icon for Cumulonimbus rankCumulonimbus
Sep 07, 2018

In the data group, use space as field separator.

use this irule:

when DNS_REQUEST {
    if { [DNS::question type] equals "A" && [class match [DNS::question name] equals dns-static-list ]}{
        foreach val [class match -value [DNS::question name] equals dns-static-list] {
            DNS::answer insert  "[DNS::question name]. 10 [DNS::question class] [DNS::question type] $val"
        }
    DNS::return 
    }                           
}

Note : Edited to solve class match format with dash missing