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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2019-02-20 19:01:49 +0900 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2019-03-01 15:52:12 +0900 |
| commit | e6ef3a130f04c0aff32471c16238ae927bfb13db (patch) | |
| tree | 15beadf5fb0ebc40197ecfb13ddd167c0ad76cde /man/systemd.network.xml | |
| parent | c9207ff3a4f548061f58d1b162078db12ac3f7f6 (diff) | |
| download | systemd-e6ef3a130f04c0aff32471c16238ae927bfb13db.tar.gz | |
man: mention limit about prefix length when null address is specified to Address=
Diffstat (limited to 'man/systemd.network.xml')
| -rw-r--r-- | man/systemd.network.xml | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/man/systemd.network.xml b/man/systemd.network.xml index 8b6c187f34..e354e48516 100644 --- a/man/systemd.network.xml +++ b/man/systemd.network.xml @@ -479,18 +479,14 @@ specified more than once. </para> - <para>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.</para> + <para>If the specified address is <literal>0.0.0.0</literal> (for IPv4) or <literal>::</literal> + (for IPv6), a new address range of the requested size is automatically allocated from a + system-wide pool of unused ranges. Note that the prefix length must be equal or larger than 8 for + IPv4, and 64 for IPv6. 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 fd00::/8 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.</para> </listitem> </varlistentry> |