On Sun, Jun 3, 2012 at 8:40 PM, Anisha Kolasani <[email protected]>wrote:
> 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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