diff options
| -rw-r--r-- | man/systemd-nspawn.xml | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml index bd688a0ee1..57c0a223af 100644 --- a/man/systemd-nspawn.xml +++ b/man/systemd-nspawn.xml @@ -524,15 +524,23 @@ <term><option>-n</option></term> <term><option>--network-veth</option></term> - <listitem><para>Create a virtual Ethernet link - (<literal>veth</literal>) between host and container. The host - side of the Ethernet link will be available as a network - interface named after the container's name (as specified with - <option>--machine=</option>), prefixed with - <literal>ve-</literal>. The container side of the Ethernet - link will be named <literal>host0</literal>. Note that - <option>--network-veth</option> implies - <option>--private-network</option>.</para></listitem> + <listitem><para>Create a virtual Ethernet link (<literal>veth</literal>) between host and container. The host + side of the Ethernet link will be available as a network interface named after the container's name (as + specified with <option>--machine=</option>), prefixed with <literal>ve-</literal>. The container side of the + Ethernet link will be named <literal>host0</literal>. The <option>--network-veth</option> option implies + <option>--private-network</option>.</para> + + <para>Note that + <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> + includes by default a network file <filename>/usr/lib/systemd/network/80-container-ve.network</filename> + matching the host-side interfaces created this way, which contains settings to enable automatic address + provisioning on the created virtual link via DHCP, as well as automatic IP routing onto the host's external + network interfaces. It also contains <filename>/usr/lib/systemd/network/80-container-host0.network</filename> + matching the container-side interface created this way, containing settings to enable client side address + assignment via DHCP. In case <filename>systemd-networkd</filename> is running on both the host and inside the + container, automatic IP communication from the container to the host is thus available, with further + connectivity to the external network.</para> + </listitem> </varlistentry> <varlistentry> @@ -553,12 +561,10 @@ <varlistentry> <term><option>--network-bridge=</option></term> - <listitem><para>Adds the host side of the Ethernet link - created with <option>--network-veth</option> to the specified - bridge. Note that <option>--network-bridge=</option> implies - <option>--network-veth</option>. If this option is used, the - host side of the Ethernet link will use the - <literal>vb-</literal> prefix instead of + <listitem><para>Adds the host side of the Ethernet link created with <option>--network-veth</option> to the + specified Ethernet bridge interface. Expects a valid network interface name of a bridge device as + argument. Note that <option>--network-bridge=</option> implies <option>--network-veth</option>. If this option + is used, the host side of the Ethernet link will use the <literal>vb-</literal> prefix instead of <literal>ve-</literal>.</para></listitem> </varlistentry> |