addons: bridge: add new policy vxlan_bridge_igmp_snooping_enable_port_mcrouter
if igmp snooping is enabled on a vxlan bridge and if the
vxlan_bridge_igmp_snooping_enable_port_mcrouter is turned on, ifupdown2
will automatically enable multicast router on the vxlan brport unless
this attribute was provided by the user. The policy is enabled by default.
The policy can be disabled as follow:
{
"bridge": {
"module_globals": {
"vxlan_bridge_igmp_snooping_enable_port_mcrouter": "no"
}
}
}
auto br0
iface br0
bridge-ports vx42
bridge-mcsnoop yes
auto vx42
iface vx42
vxlan-id 42
$ ifreload -ad
will show that the config is applied