X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd.network.xml;h=ea278c70d7c2d13475edee67674fe8155a712647;hp=efe6ce755ff775ff198e07bbbaf2fd2805ebd1cc;hb=e45fc5e738b0b7700e8b4f3c4b25c58a49b44b27;hpb=b8bde11658366290521e3d03316378b482600323 diff --git a/man/systemd.network.xml b/man/systemd.network.xml index efe6ce755..ea278c70d 100644 --- a/man/systemd.network.xml +++ b/man/systemd.network.xml @@ -78,6 +78,11 @@ /usr/lib, pointing to /dev/null, disables the configuration file entirely. + + + + [Match] Section Options + The network file contains a [Match] section, which determines if a given network file may be applied to a given device; and a [Network] section specifying how the device should @@ -172,6 +177,35 @@ + + + + [Link] Section Options + + The [Link] section accepts the following keys: + + + + MACAddress= + + The hardware address. + + + + MTUBytes= + + The maximum transmission unit in bytes to + set for the device. The usual suffixes K, M, G, + are supported and are understood to the base of + 1024. + + + + + + + [Network] Section Options + The [Network] section accepts the following keys: @@ -185,16 +219,48 @@ DHCP= - A boolean. When true, enables basic DHCPv4 support. + Enables DHCPv4 and/or DHCPv6 support. Accepts + both, none, + v4 or v6. + + + + DHCPServer= + + A boolean. Enables a basic DHCPv4 server on the + device. Mostly useful for handing out leases to container + instances. IPv4LL= A boolean. When true, enables IPv4 link-local support. - If DHCP= is also true, acquiring DHCP address - will deprecate previously acquired IPv4 link-local address or - stop acquiring process if one has not been acquired before. + + + + + IPv4LLRoute= + + A boolean. When true, sets up the route needed for + non-IPv4LL hosts to communicate with IPv4LL-only hosts. Defaults + to false. + + + + + LLMNR= + + A boolean or resolve. When true, enables + Link-Local Multicast Name Resolution on the link, when set to + resolve only resolution is enabled, but not + announcement. Defaults to true. + + + + LLDP= + + A boolean. When true, enables LLDP link receive support. @@ -210,6 +276,43 @@ an Address key (see below). This option may be specified more than once. + + If the specified + address is 0.0.0.0 + (for IPv4) or [::] + (for IPv6), a new + address range of the + requested size is + automatically + allocated from a + system-wide pool of + unused ranges. The + allocated range is + checked against all + current network + interfaces and all + known network + configuration files to + avoid address range + conflicts. The default + system-wide pool + consists of + 192.168.0.0/16, + 172.16.0.0/12 and + 10.0.0.0/8 for IPv4, + and fc00::/7 for + IPv6. This + functionality is + useful to manage a + large number of + dynamically created + network interfaces + with the same network + configuration and + automatic address + range + assignment. + @@ -229,6 +332,18 @@ This option may be specified more than once. + + Domains= + + The domains used for DNS resolution over this link. + + + + NTP= + + An NTP server address. This option may be specified more than once. + + Bridge= @@ -255,8 +370,27 @@ may be specified more than once. + + VXLAN= + + The name of a VXLAN to create on the link. This option + may be specified more than once. + + + + Tunnel= + + The name of a Tunnel to create on the link. This option + may be specified more than once. + + + + + + [Address] Section Options + An [Address] section accepts the following keys. Specify several [Address] sections to configure several addresses. @@ -268,6 +402,13 @@ As in the [Network] section. This key is mandatory. + + Peer= + + The peer address in a point-to-point connection. Accepts the same format as + the Address key. + + Broadcast= @@ -284,7 +425,10 @@ + + + [Route] Section Options The [Route] section accepts the following keys. Specify several [Route] sections to configure several routes. @@ -292,19 +436,35 @@ Gateway= - As in the [Network] section. This key is mandatory. + As in the [Network] section. Destination= The destination prefix of the route. Possibly followed by a slash and the - prefixlength. If ommitted, a full-length host route is assumed. + prefixlength. If omitted, a full-length host route is assumed. + + + + Source= + + The source prefix of the route. Possibly followed by a slash and the + prefixlength. If omitted, a full-length host route is assumed. + + + + Metric= + + The metric of the route. An unsigned integer + - The [DHCPv4] section accepts the following keys: + + [DHCP] Section Options + The [DHCP] section accepts the following keys: @@ -321,6 +481,13 @@ be used on the current link. Defaults to false. + + SendHostname= + + When true (the default), the machine's hostname will be sent to the DHCP + server + + UseHostname= @@ -328,6 +495,20 @@ will be used as the transient hostname. + + UseDomains= + + When true (not the default), the domain name received from the DHCP server + will be used for DNS resolution over this link. + + + + UseRoutes= + + When true (the default), the static routes will be requested from the DHCP server + and added to the routing table with metric of 1024. + + CriticalConnection= @@ -336,10 +517,66 @@ if, say, the root filesystem relies on this connection. Defaults to false. + + VendorClassIdentifier= + + The vendor class identifier used to identify vendor type and configuration. + + + + RequestBroadcast= + + Request the server to use broadcast messages before the IP address has been + configured. This is necessary for devices that cannot receive RAW packets, or that + cannot receive packets at all before an IP address has been configured. On the other + hand, this must not be enabled on networks where broadcasts are filtered out. + + + + RouteMetric= + + Set the routing metric for routes specified by the DHCP server. + + + + [Bridge] Section Options + The [Bridge] section accepts the following keys. + + + Cost= + + Each port in a bridge may have different speed. Cost is used to decide which link to use. Faster interfaces should have lower costs + + + + + + + [BridgeFDB] Section Options + The [BridgeFDB] section manages the forwarding database table of a port and accepts the following keys. Specify + several [BridgeFDB] sections to configure several static MAC table entries. + + + + MACAddress= + + As in the [Network] section. This key is mandatory. + + + + VLANId= + + The VLAN Id for the new static MAC table entry. + If omitted, no VLAN Id info is appended to the new static MAC table entry. + + + + + Example @@ -360,7 +597,7 @@ Gateway=192.168.0.1 Name=en* [Network] -DHCP=yes +DHCP=both @@ -384,6 +621,45 @@ Name=enp2s0 [Network] Bridge=bridge0 + + /etc/systemd/network/ipip.network + + [Match] +Name=em1 + +[Network] +Tunnel=ipip-tun + + + + /etc/systemd/network/sit.network + + [Match] +Name=em1 + +[Network] +Tunnel=sit-tun + + + + /etc/systemd/network/gre.network + + [Match] +Name=em1 + +[Network] +Tunnel=gre-tun + + + + /etc/systemd/network/vti.network + + [Match] +Name=em1 + +[Network] +Tunnel=vti-tun +