Hi,
    Recently, I configure the following network environment. There are three 
hosts and they are all installed ovs.The three hosts all connect the same 
physical switch.Now I set up vxlan tunnel in each ovs, and the vxlan tunnel of 
each host connects other two hosts. For example, Host1 has two vxlan port-vxa, 
vxb. The vxa's remote_ip is Host2, and vxb's remote_ip is Host3.The other hosts 
have similar configure. However, when I use Host1's vport to ping Host2's 
vport,there are much flood packets(such ARP broadcast).Host2 receive Host1's 
ARP and sends it to Host3,that is amazing!.This forward cannot stop in the 
three hosts.
    How does this loop happens?
Thanks!
SuSan.
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