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networkctl: extend "networkctl list" and "networctl lldp" to optionally take interface names

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This way, the output may be reduced to only show data about the specified
interfaces.
This commit is contained in:
Lennart Poettering
2016-02-21 20:40:57 +01:00
parent 7d367b45f6
commit e997c4b09d
2 changed files with 136 additions and 50 deletions
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man/networkctl.xml
+25 -8
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@@ -102,12 +102,14 @@
<varlistentry>
<term>
<command>list</command>
<optional><replaceable>LINK...</replaceable></optional>
</term>
<listitem>
<para>Show a list of existing links and their
status. Produces output similar to <programlisting>
IDX LINK TYPE OPERATIONAL SETUP
<para>Show a list of existing links and their status. If no further arguments are specified shows all links,
otherwise just the specified links. Produces output similar to:
<programlisting>IDX LINK TYPE OPERATIONAL SETUP
1 lo loopback carrier unmanaged
2 eth0 ether routable configured
3 virbr0 ether no-carrier unmanaged
@@ -128,10 +130,10 @@ IDX LINK TYPE OPERATIONAL SETUP
state, kernel module driver, hardware and IP address,
configured DNS servers, etc.</para>
<para>When no links are specified, routable links are
shown. Also see the option <option>--all</option>.</para>
<para>When no links are specified, an overall network status is shown. Also see the option
<option>--all</option>.</para>
<para>Produces output similar to
<para>Produces output similar to:
<programlisting>
● State: routable
Address: 10.193.76.5 on eth0
@@ -148,11 +150,26 @@ IDX LINK TYPE OPERATIONAL SETUP
<varlistentry>
<term>
<command>lldp</command>
<optional><replaceable>LINK...</replaceable></optional>
</term>
<listitem>
<para>Show LLDP (Link Layer Discovery Protocol)
status.</para>
<para>Show discovered LLDP (Link Layer Discovery Protocol) neighbors. If one or more link names are specified
only neighbors on those interfaces are shown. Otherwise shows discovered neighbors on all interfaces. Note
that for this feature to work, <varname>LLDP=</varname> must be turned on on the specific interface, see
<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry> for
details.</para>
<para>Produces output similar to:
<programlisting>LINK CHASSIS ID SYSTEM NAME CAPS PORT ID PORT DESCRIPTION
enp0s25 00:e0:4c:00:00:00 GS1900 ..b........ 2 Port #2
Capability Flags:
o - Other; p - Repeater; b - Bridge; w - WLAN Access Point; r - Router;
t - Telephone; d - DOCSIS cable device; a - Station; c - Customer VLAN;
s - Service VLAN, m - Two-port MAC Relay (TPMR)
1 neighbors listed.</programlisting></para>
</listitem>
</varlistentry>
</variablelist>