On Tue, May 7, 2019 at 3:54 PM Arnaud Lemaire <alema...@norad.fr> wrote:
> Hi there, > > I'm trying to set up network multipath routing with systemd, but I cannot > find a way to do it cleanly. > > The part that I cannot set up is : > ``` > $ ip route > default > nexthop via 192.168.11.1 dev inet.11 weight 5 > nexthop via 192.168.22.2 dev inet.22 weight 10 > ... > ``` > > I'm getting around it with this unit: > $ cat /etc/systemd/system/multipath-routing.service > [Unit] > Description=Setup default gateway multipath routing > After=network-online.target > Wants=network-online.target > > [Service] > Type=oneshot > RemainAfterExit=yes > ExecStart=-/usr/bin/ip route del default > ExecStart=/usr/bin/ip route add default nexthop via 192.168.11.1 dev > inet.11 weight 5 nexthop via 192.168.22.2 dev inet.22 weight 10 > > [Install] > WantedBy=network-online.target > ``` > > And it's working, but as soon as I unplug the network cable and plug it > back, the routes are gone > and the unit is not triggered > > I tried with a WantedBy on the `sys-subsystem-net-devices-eno1.device` but > it's not working since it seems to act on the device and not on the link. > > Install networkd-dispatcher or a similar tool to react to systemd-networkd events. (You could also use ifplugd to react directly to link events, although that might run before networkd has finished its own configuration.) -- Mantas Mikulėnas
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