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Need to set up DR routing with J2300

Need to set up DR routing with J2300

(OP)
Good morning, all!

I'm setting up a disaster recovery site at one of our branch offices and having a problem configuring a J2300 router to send traffic from the subnet at that branch to a subnet that our disaster recovery is running on.

There are two VLANS on the DR switch running untagged traffic.  VLAN A is the local branch traffic.  VLAN B is the disaster recovery server stack, and the VLAN is the same subnet as the data center it's replicated from. On the far end of VLAN B is a Cisco VPN appliance (I know, but it's necessary for our bank service provider) that gives access to the outside world.  I've attached a schematic for this.

I need to configure the J2300 to route from VLAN A to VLAN B and out to the IP address on the VPN appliance.  I think this will require a separate virtual router inside the J2300.  I don't know how to do that, and haven't stumbled on the documentation to set this up.  For other reasons, reconfiguring all the branch network to match VLAN B isn't practical.

Has anyone else done anything like this?  If I need the virtual router instance, can someone point me in the direction of the documentation?

Thanks!

 
Gregg

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