On Tue, May 7, 2019 at 3:54 PM Arnaud Lemaire <alemaire@xxxxxxxx> 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 goneand the unit is not triggeredI 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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