Hi all, I am new to openvswitch and I have been following the userspace tunneling tutorial found here https://docs.openvswitch.org/en/latest/howto/userspace-tunneling/ It works perfectly for VXLAN tunnel, however when I change the tunnel type to GTP-U, it stops working. I can see GTP-U packet was sent using wireshark however no packet was received at the other end (verified by creating a high priority flow matching all packets from tunnel vport, however dump-flows shows no packet matching this flow). I tried changing the tunnel type back and forth between VXLAN and GTP-U, VXLAN works every time while GTP-U does not work at all. I wonder what am I doing wrong? Or is the GTP-U tunnel implementation incomplete?
How I setup VXLAN tunnel: ovs-vsctl set int tunport type=vxlan options:remote_ip=10.0.0.1 options:key=flow GTP-U: ovs-vsctl set int tunport type=gtpu options:remote_ip=10.0.0.1 options:key=flow options:dst_port=2152 Flows: ovs-ofctl add-flow br0 "in_port=1,actions:load:100->tun_id,output:3" ovs-ofctl add-flow br0 "in_port=3,tun_id=100,actions:output:1" Thanks Zhixin Wen
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