X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd-networkd.service.xml;h=75858322304c948882898f2dca8e9790ba7b8eaf;hp=527742cea3db0a93f1e5e910fb177c677c7f942c;hb=1ff28eaee33d9d0cee46bd176b6d6f8805c95036;hpb=ed7e5fe37d7e3392538844abadbb2903f4d2540f diff --git a/man/systemd-networkd.service.xml b/man/systemd-networkd.service.xml index 527742cea..758583223 100644 --- a/man/systemd-networkd.service.xml +++ b/man/systemd-networkd.service.xml @@ -61,11 +61,16 @@ network devices as they appear, as well as creating virtual network devices. + To configure low-level link settings independently of + networks, see + systemd.link5 + . + Network configurations applied before networkd is started - are not removed, and configuration applied by networkd are not - removed when networkd exits. This ensures restarting networkd - does not cut the network connection, and, in particular, that - it is safe to transition between the initrd and the real root, + are not removed, and static configuration applied by networkd + is not removed when networkd exits. This ensures restarting + networkd does not cut the network connection, and, in particular, + that it is safe to transition between the initrd and the real root, and back. @@ -91,32 +96,82 @@ .netdev; other extensions are ignored. Virtual network devices are created as soon as networkd is started. + A virtual network device is only created if the + [Match] section matches the current + environment, or if the section is empty. The following keys are accepted: + + + + Host= + + Matches against the hostname or machine ID of the + host. See ConditionHost= in + systemd.unit5 + for details. + + + + + Virtualization= + + Checks whether the system is executed in a virtualized + environment and optionally test whether it is a specific + implementation. See ConditionVirtualization= in + systemd.unit5 + for details. + + + + + KernelCommandLine= + + Checks whether a specific kernel command line option is + set (or if prefixed with the exclamation mark unset). See + ConditionKernelCommandLine= in + systemd.unit5 + for details. + + + + + Architecture= + + Checks whether the system is running on a specific + architecture. See ConditionArchitecture= in + systemd.unit5 + for details. + + + + + The [NetDev] section accepts the following keys: - Name + Name= The interface name used when creating the - bridge. This option is compulsory. + netdev. This option is compulsory. - Kind + Kind= - The netdev kind. Currently, bridge, bond and vlan + The netdev kind. Currently, bridge, + bond and vlan are supported. This option is compulsory. The [VLAN] section only applies for netdevs of kind vlan, - and accepts the following keys: + and accepts the following key: - Id + Id= The VLAN ID to use. An integer in the range 0–4094. This option is compulsory. @@ -143,38 +198,84 @@ - MACAddress + MACAddress= The hardware address. - Path + Path= The persistent path, as exposed by the udev - property ID_PATH. + property ID_PATH. May contain shell + style globs. - Driver + Driver= The driver currently bound to the device, as - exposed by the udev property DRIVER. - + exposed by the udev property DRIVER + of its parent device, or if that is not set the driver + as exposed by ethtool -i of the + device itself. - Type + Type= The device type, as exposed by the udev property DEVTYPE. - Name + Name= The device name, as exposed by the udev property - INTERFACE. + INTERFACE. May contain shell style + globs. + + + + Host= + + Matches against the hostname or machine ID of the + host. See ConditionHost= in + systemd.unit5 + for details. + + + + + Virtualization= + + Checks whether the system is executed in a virtualized + environment and optionally test whether it is a specific + implementation. See ConditionVirtualization= in + systemd.unit5 + for details. + + + + + KernelCommandLine= + + Checks whether a specific kernel command line option is + set (or if prefixed with the exclamation mark unset). See + ConditionKernelCommandLine= in + systemd.unit5 + for details. + + + + + Architecture= + + Checks whether the system is running on a specific + architecture. See ConditionArchitecture= in + systemd.unit5 + for details. + @@ -183,30 +284,32 @@ - Description + Description= A description of the device. This is only used for presentation purposes. - DHCP + DHCP= A boolean. When true, enables basic DHCPv4 support. - Address + Address= A static IPv4 or IPv6 address and its prefix length, - separated by a / character. The format of the address must - be as described in + separated by a / character. Specify this + key more than once to configure several addresses. + The format of the address must be as described in inet_pton3 - . This is a short-hand for an [Address] section only containing an Address key (see below). + . This is a short-hand for an [Address] section only containing an Address key (see below). + - Gateway + Gateway= The gateway address, which must be in the format described in inet_pton3 @@ -214,7 +317,7 @@ - DNS + DNS= A DNS server address, which must be in the format described in inet_pton3 @@ -222,19 +325,19 @@ - Bridge + Bridge= The name of the bridge to add the link to. - Bond + Bond= The name of the bond to add the link to. - VLAN + VLAN= The name of a VLAN to create on the link. This option may be specified more than once. @@ -242,34 +345,46 @@ - The [Address] section accepts the following keys: + An [Address] section accepts the following keys. + Specify several [Address] sections to configure several + addresses. - Address + Address= As in the [Network] section. This key is mandatory. - Label + Broadcast= + + The broadcast address, which must be in the format described in + inet_pton3 + . This key only applies to IPv4 addresses. If it is not given, it is + derived from the Address key. + + + + Label= An address label. - The [Route] section accepts the following keys: + The [Route] section accepts the following keys. Specify + several [Route] sections to configure several routes. - Gateway + Gateway= As in the [Network] section. This key is mandatory. - Destination + Destination= The destination prefix of the route. Possibly followed by a slash and the prefixlength, if ommitted a full-length host route is assumed. @@ -281,28 +396,28 @@ - UseDNS + UseDNS= When true (the default), the DNS servers received from the DHCP server will be used and take precedence over any statically configured ones. - UseMTU + UseMTU= When true, the interface maximum transmission unit from the DHCP server will be used on the current link. Defaults to false. - UseHostname + UseHostname= When true (the default), the hostname received from the DHCP server will be used as the transient hostname. - CriticalConnection + CriticalConnection= When true, the connection will never be torn down even if the DHCP lease expires. This is contrary to the DHCP specification, but may be the best choice @@ -318,7 +433,7 @@ See Also systemd1, - udev7, + udev7