A two-part series on LXC networking (Flockport Labs)

Flockport Labs has a two-part "LXC networking superguide" that covers a bunch of LXC networking concepts, as well as practical ideas on connecting containers (Part1 and Part 2). Part 1 starts with an introduction to LXC networking, then moves into extending layer 2 to remote hosts using a layer 3 tunnel. Part 2 looks at using LXC containers as routers. "We are going to create a bridge on 2 remote hosts over their public IPs and connect the bridges with Ethernet over GRE or L2tpv3 so containers connecting to these bridges are on the same layer 2 network. We will first show you how to do this with Ethernet over GRE and then L2tpv3. The main difference is Ethernet over GRE is less well known while L2tpv3 is more widely used for l2 extension and uses UDP, and thus could be more flexible."

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