From 4bb278e51e81ea3c5c62e1f7e296309b0fac8e3d Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 27 Jun 2014 20:42:06 +0200 Subject: man: document automatic networkd IP range allocation --- man/systemd.network.xml | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/man/systemd.network.xml b/man/systemd.network.xml index efe6ce755f..349ccc5dc9 100644 --- a/man/systemd.network.xml +++ b/man/systemd.network.xml @@ -210,6 +210,43 @@ 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 IP 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::] 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. + -- cgit v1.2.3-54-g00ecf