I'm asking for a short example of a few .netdev and .network
/etc/systemd/network files for something that I thought would be
straightforward, but I've lost in the transition to using
VLANFiltering=1. I've looked for examples in the docs and online, but
failed to find any guidance. I've tried some variations but am beaten
and need a boost.
I'm using kernel v5.2 on ubuntu's 'testing' / eoan.
Suppose for example simplicity 3 nics, each carrying vlans 100-300 of
arbitrary traffic sorts across all nics, and also vlan 3 across all
nics which has a well known static ipv4 stable gateway and dns. With
the bridge netdev using VLANFiltering=1, and say one of the nics uses
PVID=3 egressuntagged=3, and the host bridge on _just_ vlan 3 needing
static ip for simplicity 192.168.50.60/24 but without generating leaks
onto the other vlans that are almost certainly carrying addresses that
conflict/overlap.
What are the minimum set of files in /etc/systemd/network necessary to
get that done? Try though I did, I can't find a combination of
settings/files that causes systemd-networkd to both assign the host the
ip on vlan3. bring it up and send traffic to it.
Thanks in advance!
Harry Coin
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