Hello,
I am setting up two gre tunnels between two hosts using the same external
bridge.In this case (br1).I use virbr3 and virbr2 for internal communication.
This is my config steps:
Hypervisor 1:
External communication
ovs-vsctl add-br br1
ovs-vsctl add-port eth0
ifconfig br1 p.q.r.s netmask 255.255.255.0
Internal bridge for vm communication
Tunnel1 :
ovs-vsctl add-br virbr3
ovs-vsctl show
ovs-vsctl add-port virbr3 gre2 — set interface gre2 type=gre
options:remote_ip:a.b.c.d
Tunnel2:
ovs-vsctl add-br virbr2
ovs-vsctl show
ovs-vsctl add-port virbr2 gre0 — set interface gre0 type=gre
options:remote_ip:a.b.c.d
Hypervisor 2:
External communication
ovs-vsctl add-br br1
ovs-vsctl add-port eth0
ifconfig br1 a.b.c.d netmask 255.255.255.0
Internal bridge for vm communication
Tunnel1:
ovs-vsctl add-br virbr3
ovs-vsctl show
ovs-vsctl add-port virbr3 gre2 — set interface gre2 type=gre
options:remote_ip:p.q.r.s
Tunnel2:
ovs-vsctl add-br virbr2
ovs-vsctl show
ovs-vsctl add-port virbr3 gre0 — set interface gre0 type=gre
options:remote_ip:p.q.r.s
I am not able to communicate outside world from the vm’s.I am just able to
reach the host on which vm resides and viceversa.Can you please let me know
what am i missing here?
Your help in this regard is greatly appreciated.
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