Hi, I would like to update some additional ways in which i tried to solve the problem I am having. Assuming there might be a problem with my NIC drivers, I updated the vlan packages and then I tried to insert the 8021q module:
modprobe 8021q I am still not able to ping between VMs on two different machines. In fact, I only have one VM per machine on VLAN 21. I am trying to ping between these two VMs. But I am not able. I would be helpful if I could get any pointers with regard to this problem. Thank you, Anisha. On Sun, Jun 3, 2012 at 4:04 PM, Anisha Kolasani <[email protected]>wrote: > Hi, > > I am trying to run the experiment in lines of the OVS configuration cook > book on VLANs. > > I an using two machines, each with OVS 1.4.0 running on them and virtual > michines are brought up using KVM. > > Machine 1: > br0, IP- 192.168.5.5 > > VM 1: sudo kvm -m 512 -net nic,macaddr=00:11:22:EE:EE:EE > -net tap,script=/home/anisha/*ovs-ifup*,downscript=/home/anisha/ovs-ifdown > -cdrom /media/Ubuntu12/ubuntu-12.04-desktop-i386.iso > > VM2: sudo kvm -m 512 -net nic,macaddr=00:11:22:EE:EE:E5 > -net tap,script=/home/anisha/ovs-ifupvaln,downscript=/home/anisha/ovs-ifdown > -cdrom /media/Ubuntu12/ubuntu-12.04-desktop-i386.iso > > > Machine 2: > br0, IP - 192.168.5.6 > > VM3: sudo kvm -m 512 -net nic,macaddr=00:11:22:EE:EE:E6 > -net tap,script=/home/anisha/ovs-ifup,downscript=/home/anisha/ovs-ifdown > -cdrom /media/Ubuntu12/ubuntu-12.04-desktop-i386.iso > > VM4: sudo kvm -m 512 -net nic,macaddr=00:11:22:EE:EE:E7 > -net tap,script=/home/anisha/ovs-ifupvaln,downscript=/home/anisha/ovs-ifdown > -cdrom /media/Ubuntu12/ubuntu-12.04-desktop-i386.iso > > > Scripts: > ovs-ifup: > #!/bin/sh > > switch='br0' > /sbin/ifconfig $1 0.0.0.0 up > ovs-vsctl add-port ${switch} $1 > > ovs-ifupvaln: > > #!/bin/sh > > switch='br0' > /sbin/ifconfig $1 0.0.0.0 up > ovs-vsctl add-port ${switch} $1 tag=21 > > > > The VM1 on machine 1 is able to ping VM3 on machine 2. The tap interfaces > of VM1 and VM3 are not declared as access ports. > But VM2 on machine 1 is not able to ping VM4 on machine 2. VM2 and VM4 are > not declared to be on VLAN 21. > > Could you please let me know what the problem might be? > > Thank you, > Anisha. > >
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