Thanks for previous suggestion.
 
No connectiving between VMs connected to differnet open vswitch bridges.
I use patch port to connect two open vswitch bridges "switch1" & "switch2" 
using the following commad
 
ovs-vsctl add-port switch1 patch_cable_12 -- set Interface patch_cable_12 
type=patch options:peer=patch_cable_21 
ovs-vsctl add-port switch2 patch_cable_21 -- set Interface patch_cable_21 
type=patch options:peer=patch_cable_12
 
Now two VMs connected to switch1 and switch2 can't ping each other.
 
Any suggestion please..
 


________________________________
From: ABDULHAMID NOOR <hamsi...@yahoo.com>
To: "discuss@openvswitch.org" <discuss@openvswitch.org> 
Sent: Friday, March 9, 2012 3:11 AM
Subject: [ovs-discuss] How to connect two open vswitch bridges in a single 
physical host ?


Dear All,
                 I want to create three open vswitches to connect in a circle 
to evaluate STP protcol. I want to do this on a single physical host. I am 
using Virtual Box on Ubuntu 10.10. 


How to connect two open vswitch togather? I create TUN interface using the ip 
tuntap command, but when I add the same TUN interface to the second switch, I 
got the error:cannot create a port named vmif_sw12 because a port named 
vmif_sw12 already exists on bridge switch1. It does not allow to add that TUN 
interface to the second switch. Please suggest any solution.

Thanks in advance....

---------------------
Best Regards

Abdul Hameed

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