I have question concerning linking POX controller with openvswitch. I link bridge br0 of openvswitch to two qemu VM guests. The configuration of qemu VM to openvswitch bridge is sudo qemu-system-x86_64 -m 1028 -net nic,macaddr=00:00:00:00:cc:10 -net tap,script=/etc/ovs-ifup,downscript=//etc/ovs-ifdown -drive file=/home/pads/Desktop/kvmguest/pads1.qcow2 -vnc :1. I am using ./pox.py forwarding.l2_learning to start pox. I hit two problems while linking openvswitch to pox.
1. packet:(udp parse) warning UDP packet data shorter than UDP len: 94 < 251 2.INFO:packet:(dhcp parse) warning DHCP packet data too short to parse header: data len 86 The result is that whlie in guest1 I can't ping the controller's ip. The controller ip is the same as the host ip. I don't seem to have this problem when I use floodlight controller. Thus do I have to modify the pox controller to make it work. I have to use POX controller to do some test. I find from online that I may have to change the default data len number in POX. But I am not sure. Thank you, Caleb
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