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vinitshah_24968's avatar
vinitshah_24968
Icon for Nimbostratus rankNimbostratus
Feb 23, 2016

Destination based i-rule not working

Hi ,   I have a VIP which listens on specific port . I already have an irule created for snat none but that is on client_addr basis.   I want to create an irule which will do no snat based ...
application delivery
big-ip
irules
Kai_Wilke's avatar
Kai_Wilke
Icon for MVP rankMVP
Feb 24, 2016

Hi Vinitshah,

you have to keep in mind that 

[IP::local_addr]
is the IP address of the virtual server. To have a SNAT exemption based on the pool members IP address, you have to use the 
[LB::server addr]
command. But this command is only valid for after a pool member was selected (e.g. 
LB_SELECTED
and later events)

when LB_SELECTED { 
    if { [class match [LB::server addr] equals no-nat-destination-based] } then { 
        snat none 
        log local0. "Client/Source Address -> IP address [IP::client_addr]" 
        log local0. "Server/Destination Address -> IP address [LB::server addr]" 
    }
}

Cheers, Kai