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alex_372679's avatar
alex_372679
Icon for Nimbostratus rankNimbostratus
Nov 12, 2018

GTM eDNS request

hello, for a GTM, i tried to have it distribute traffic "manually" using the source+destination@ as the persistence the idea is to send the source a.a.a.a and b.b.b.b and c.c.c.c to @IP.A and the no...
application delivery
BIG-IP DNS
devops
alex_372679's avatar
alex_372679
Icon for Nimbostratus rankNimbostratus
Nov 12, 2018

trying to make it readable :)

 

when DNS_REQUEST { set ldns [IP::client_addr] if { [DNS::edns0 exists] &! [catch { DNS::edns0 subnet address }] } { set gtm_ecs_address [DNS::edns0 subnet address] log "ip-- $gtm_ecs_address" set gtm_ecs_source [DNS::edns0 subnet source] log "subnet source $gtm_ecs_source" set gtm_ecs_scope [DNS::edns0 subnet scope] set ldns $gtm_ecs_address if {([$gtm_ecs_address match "1.1.0.0/16"]) or ([$gtm_ecs_address match "1.2.0.0/16"]) or ([$gtm_ecs_address match "1.3.0.0/16"])}{ log "pool_A" } else { log "pool_B" } } }