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Forum Discussion

coda6_52611's avatar
coda6_52611
Icon for Nimbostratus rankNimbostratus
May 12, 2010

SMTP, Client IP Preservation and multiple Virtual Servers

I understand that to preserve the source IP address of an SMTP client I need to turn off SNAT and have the gateway of the Exchange servers set to the virtual servers IP.     BUT, I have multipl...
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hoolio's avatar
hoolio
Icon for Cirrostratus rankCirrostratus
May 13, 2010
Do you mean that the servers themselves are accessing a VIP they're a pool member for? If so, you could still set their default gateway to the LTM floating self IP and then apply a SNAT from an iRule only when the client and server addresses are on the same subnet:

 

 

http://devcentral.f5.com/wiki/default.aspx/iRules/SelectiveSNAT

 

 

If that's not what you mean, can you clarify?

 

 

Thanks, Aaron