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Forum Discussion

rameshr_132303's avatar
rameshr_132303
Icon for Nimbostratus rankNimbostratus
Nov 19, 2015

NSlookup returning both Private and Public IPs for a URL

Hi All,   I have a WIP set up in my GTM and created a Topology record to state that any request coming from WAN, a private IP needs to be returned and whenever a request comes from the internet th...
application delivery
BIG-IP
Samir_Jha_52506's avatar
Samir_Jha_52506
Icon for Noctilucent rankNoctilucent
Nov 20, 2015

Hi, I agree of the above 1st point of Anoop & it will work. Please use method below & use iRule. Hope issue will resolved.

Preferred: Topology; Alternet:Return to DNS; fallback : None.

  when DNS_REQUEST { 
if { ([IP::addr [IP::client_addr]/8 equals 10.0.0.0])}{ 
} elseif { 
([IP::addr [IP::client_addr]/12 equals 172.16.0.0])}{ 
} elseif { 
([IP::addr [IP::client_addr]/16 equals 192.168.0.0])}{
} else { 
discard 
}
}

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