Comment 22 for bug 1671951

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Dimitri John Ledkov (xnox) wrote :

Using systemd 237-3ubuntu10.10

Using:
[Match]
Name=ens3
[Network]
DHCP=ipv4
IPv6MTUBytes=1600
[Link]
MTUBytes=1800
[DHCP]
UseMTU=no
RouteMetric=100

I do get:

$ cat /sys/class/net/ens3/mtu
1800
$ cat /proc/sys/net/ipv6/conf/ens3/mtu
1600

Thus one can set a different from the device, ipv6-specific mtu.