A typical physical topology for a Local Director is as follow:

Clients->Hub or Switch(Vlan1)->LocalDirector->Hub or Switch(Vlan2)->Real
Servers

However, instead of using two Physically separate switches for the distinct
VLANs, what if I patch the LocalDirector into ports 5/1 and 5/2 on my
Cat5500 switch, with port 5/1 being on VLAN1 and 5/2 being on VLAN2?  This
seems like virtually an identical topology as the example shown above
however there is one problem that I am predicting:

Of course, all inbound AND outbound traffic directed to the Virtual IP of
the LocalDirector MUST flow through it.

The problem is that I have an RSM router on my CAT5500 switch and since I
have established two interfaces on it: interface VLAN1 and VLAN2, what
would keep the traffic originating from my Real Servers and destined back
to the clients from bypassing the VLAN2 switch port which is the
LocalDirector and instead get routed straight across to VLAN1 where the
traffic will go out directly back to the originating client?

John Squeo
Technical Specialist
Papa John's Corporation
(502) 261-4035




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