Forum Discussion
sam_111661
Nimbostratus
Jan 21, 2008can a node connect to it's VIP in version 4?
This virtual server is ENABLED -- a.b.c.d:25
Pool: pool_name
This node is UP. -- Total Connections: 6003589 1.1.1.1:25
This node is UP. -- Total Connections: 5928724 1.1.1.2:25
Th...
Deb_Allen_18
Jan 22, 2008Historic F5 Account
That connection would need to be SNAT'd, since the response from the server to which the request is LB would go back to the server making the request without traversing the BIG-IP to reverse the destination address change: Request comes from 1.1.1.1 bound for a.b.c.d:25, is LB to 1.1.1.x. Without SNAT, source address is still 1.1.1.1, destination is now 1.1.1.x. 1.1.1.x replies directly to 1.1.1.1, who was expecting a reply from a.b.c.d instead, so the connection fails.
HTH
/deb
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