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vxlan: Document that vxlan-phsydev is required for multicast setups 

Signed-off-by: Maximilian Wilhelm <max@sdn.clinic>
This commit is contained in:
Maximilian Wilhelm 2021-10-16 15:28:13 +02:00
parent b75e509f3d
commit 0e99af7669
1 changed files with 7 additions and 6 deletions
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13
doc/interfaces-vxlan.scd
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@ -32,7 +32,8 @@ other options are optional.
*vxlan-physdev* _interface_
Specifies the physical ("underlay") device to use for tunnel
endpoint communication.
endpoint communication. This is required for setups using
multicast.
*vxlan-local-ip* _address_
Specifies the source IP address to use in outgoing packets.
@ -53,11 +54,11 @@ other options are optional.
is an alias for this option, too.
*vxlan-peer-group* _multicast group_
Specifies the multicast group IP address to join. This parameter
cannot be specified with the _vxlan-peer-ip_ parameter.
For compatibility with ifupdown2 _vxlan-svcnodeip_ is an alias for
this option and for compatibility with previos version of ifupdown-ng
_vxlan-remote-group_ is an alias, too.
Specifies the multicast group address to join, requires _vxlan-phsydev_
to be set as well. This parameter cannot be specified in combination
with the _vxlan-peer-ips_ parameter. For compatibility with ifupdown2
_vxlan-svcnodeip_ is an alias for this option and for compatibility
with previos version of ifupdown-ng _vxlan-remote-group_ is an alias, too.
*vxlan-learning* _on/off_
Specifies if unknown source link layer addresses and IP addresses