network.routed_bridge

addr

scopable True
required False
default Detect using a name resolution of <nodename>. Beware, if the nodename resolves to 127.0.1.1 or 127.0.0.1 the ipip tunnel can not work.
scope order specific > generic

The ip address used as local endpoint for the ipip tunnel configured by network setup to access the backend subnet of peer nodes not on the same subnet.

ips_per_node

scopable False
required False
default 1024
scope order specific > generic
convert integer

The number of allocatable ips per node on the network. Converted to the closest power of two.

network

scopable False
required False
default 10.22.0.0/16
scope order specific > generic

The cluster backend network. The routed_bridge driver fragments this network into ips_per_nodes blocks subnets.

tables

scopable False
required False
default main
scope order specific > generic
convert list

The list of routing tables to add the backend network routes to. The list of available tables is in /etc/iproute2/rt_tables.

tunnel

scopable False
required False
default auto
scope order specific > generic
candidates auto | always

Create and route trafic through tunnels to peer nodes policy. auto tunnel if the peer is not in the same subnet, always tunnel even if the peer seems to be in the same subnet (some hosting providers require this as traffic goes through router even between adjacent nodes.