13. Juni 2015 02:32 Uhr, "Johannes Ernst" <johannes.er...@gmail.com> schrieb:
> My host obtains an IP address and DNS server via DHCP from upstream via > Ethernet like this (systemd > 219, Arch Linux) > > [Match] > Name=en* > > [Network] > DHCP=ipv4 > > It has the resolv.conf symlink to /run/systemd/resolve/resolv.conf, and the > DNS server from DHCP > shows up there. > > It also has this test.network file: > > [Match] > Name=ve-* > > [Network] > Address=0.0.0.0/28 > IPMasquerade=yes > IPv4LL=yes > DHCPServer=yes > IPForward=yes > > My host runs a container like this: (systemd 219, UBOS (just like Arch Linux)) > > systemd-nspawn -b -D test -n > > The container does not have any networkd configuration. It has the > resolv.conf symlink, and runs > systemd-networkd > > I was expecting: > * container gets an IP address from host in some new subnet: WORKS, e.g > 10.0.0.2 > * container can route to upstream via IPMasquerade: WORKS, after manual > 'modprobe iptable_nat' > * container gets the DNS server from the host: FAILS: /etc/resolv.conf points > to Google name > servers instead (8.8.8.8 etc) > * host and container can ping test (if test is the name of the container > machine per machinectl): > FAILS, neither can > > What am I misunderstanding or doing wrong? If somebody educates me, I’ll put > the insights on a wiki > somewhere (e.g. Arch) Hi, you need to configure the networkd inside your container to issue DHCP-Request on its own interface, like you did on the host: [Match] Type=ethernet [Network] DHCP=ipv4 > Thanks, > > Johannes. > > _______________________________________________ > systemd-devel mailing list > systemd-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/systemd-devel
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