Hello all, I'm trying to figure out how to get OpenFlow working against a bunch of servers. We have about 18 servers that use a Open vSwitch bridge with GRE ports to mesh together to create a large /16 network that LXC uses.
I've read and tested most things I've found but a lot of examples are for mininet or handful of servers, nothing larger than 3. I'm trying to understand how to build OpenFlow rules so that all my linux bridges can talk to each other and allow connections for services running in LXC. My bridge setup is similar to this: https://wiredcraft.com/blog/multi-host-docker-network/ And I tried following: http://networkstatic.net/setting-overlays-open-vswitch/ and http://blog.devnu11.net/2015/09/openvswitch-and-openflow/ The best I've been able to figure out so far is having something like: in_port=local,actions=output:1,output:2, output:3,output:4,output:5,output:6,output:7,output:8 in_port=1,actions=output:local in_port=2,actions=output:local in_port=3,actions=output:local in_port=4,actions=output:local in_port=5,actions=output:local in_port=6,actions=output:local in_port=7,actions=output:local in_port=8,actions=output:local Which allows pings, but not services like ssh, seems like I'm getting triple the GRE overhead (about 70 bytes) Does anyone have any examples for large overlay network build using OpenFlow and Open vSwitch? Thanks
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