On Thu, Sep 29, 2016 at 12:24:29PM +0900, Tomasz Chmielewski wrote: > On 2016-09-29 12:14, Stéphane Graber wrote: > > >>>It's not going to be part of the 2.0 series since it's not in LXD 2.0, > >>>but I'll likely be posting something about the new network stuff in the > >>>next few weeks. > >> > >> "cross-host tunnels with GRE or VXLAN" > >> > >>Interesting! > >> > >>Will it be limited to 2 LXD servers only, or will it allow an arbitrary > >>number of LXD servers (2, 3, 4 and more)? > > > >You can add as many tunnels to the configuration as you want. > > > >The default VXLAN configuration also uses multicast, so any host that's > >part of the same multicast group will be connected. > > Multicast... so that's not going to work for most of people with popular > server hostings, since they don't offer multicast.
Well, you get to choose. You can have any number of: - GRE tunnels (unicast IPv4) - VXLAN group (multicast IPv4) - VXLAN point-to-point (unicast IPv4) For example: # GRE unicast tunnel.tun-a.protocol: gre tunnel.tun-a.local: 1.2.3.4 tunnel.tun-a.remote: 1.2.3.5 # VXLAN multicast (default group and id) tunnel.tun-b.protocol: vxlan # VXLAN unicast tunnel.tun-c.protocol: vxlan tunnel.tun-c.local: 1.2.3.4 tunnel.tun-c.remote: 1.2.3.5 As I said, you can have any number of those tunnels defined for any bridge, well, up to the bridge capacity, but that's 4096 or so and even then, all you need to do is set "bridge.driver: openvswitch" and that limit will be gone :) -- Stéphane Graber Ubuntu developer http://www.ubuntu.com
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