Hello,

I was wondering how I can make Open vSwitch function as a router with my current configuration. I'll explain what I have set up:

             Open vSwitch (vm)
|-------------------------------------------------|
|       _(.1.100)_    _(.2.100)_       |
|____|     br0    |__|    br1     |____|
            /      \              |
        vm1   vm2       vm3
       (.1.1)  (.1.2)      (.2.1)

Open vSwitch is running inside of a virtual machine. I am using VirtualBox for my machines (Ubuntu) and NOX for a controller (with pyswitch). The Switch VM has three ports connecting to three host virtual machines vm1, vm2, and vm3. I labelled the IP addresses I assigned the bridges as well as the VM's (only showing the subnet and host IDs). I can ping from one host to another on the same subnet as well as to its bridge. I can from the switch vm to any host. I can also ping a bridge from a host on a different subset (for example, vm1 to br2).

However, I cannot ping from two hosts on different subnets (ex. vm1 to vm3). I want the switch VM to function as a router and forward packets to other networks. Please give me some advice to set me in the right direction, or tell me if my idea is way off on how to do this.

Thanks,
Derek



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