[ovs-discuss] I want to make the VMs can communicate between two xenservers , and each VM can access the internet

[neuhuanghaijun]

hi all:
      i want to make the VMs can communicate between two xenservers , and each VM can access the internet.
i have configred gre between the tow servers,and my configure is flow:
my each xenserver has one NIC
xenserver1: (ip 10.1.3.230 gateway:10.1.1.1)
xenbr0:(ip 10.1.3.230)
 eth0


xenbr1:(ip 4.4.4.1)
      gre0
            remote_ip=10.1.3.231
      vif3.0:-----------------------------
      tap3.0----------------------------the vm1's vnic(ip:4.4.4.11 gateway:4.4.4.1)
xenserver2(ip:10.1.3.231 gateway:10.1.1.1)
xenbr0:(ip 10.1.3.231)
 eth0


xenbr1:(ip 4.4.4.2)
      gre0
            remote_ip=10.1.3.231
      vif2.0:-----------------------------
      tap2.0----------------------------the vm2's vnic(ip:4.4.4.22 gateway:4.4.4.2)


now,vm1 can ping vm2,and 4.4.4.1, and 4.4.4.2
but vm1 cannot ping 10.1.3.231 and 10.1.1.1 and internet, i want to make vm can access the external network
i guess my confiure is wrong, do i need to add a eth1 to xenbr1?
Can you  give me some advice.
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