[systemd-devel] [PATCH] man: typos in systemd-network.xml regarding DHCP

[Brian Redbeard]

Hmm.  Interesting.  Something went sideways with the compatibility.  The lineage of this patch is due to the following errors:

Jan 31 14:43:30 localhost systemd[1]: Starting Network Service...
-- Subject: Unit systemd-networkd.service has begun with start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit systemd-networkd.service has begun starting up.
Jan 31 14:43:30 localhost systemd-networkd[464]: [/etc/systemd/network/zz-default.network:2] Failed to parse DHCP option, ignoring: ipv4
Jan 31 14:43:30 localhost systemd[1]: Started Network Service.
-- Subject: Unit systemd-networkd.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit systemd-networkd.service has finished starting up.
-- 
-- The start-up result is done.



Jan 31 14:46:20 localhost systemd[1]: Starting Network Service...
-- Subject: Unit systemd-networkd.service has begun with start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit systemd-networkd.service has begun starting up.
Jan 31 14:46:20 localhost systemd-networkd[609]: [/etc/systemd/network/zz-default.network:2] Failed to parse DHCP option, ignoring: ipv6
Jan 31 14:46:20 localhost systemd[1]: Started Network Service.
-- Subject: Unit systemd-networkd.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit systemd-networkd.service has finished starting up.
-- 
-- The start-up result is done.

--Brian 'redbeard' Harrington
--CoreOS

On 02/02/2015 03:26 AM, Lennart Poettering wrote:
> On Sat, 31.01.15 16:16, Brian Redbeard (redbeard at dead-city.org) wrote:
> 
>> In the systemd documentation for systemd.network units the
>> [Network] section notes that for the option DHCP=:
>>
>> DHCP=
>> Enables DHCPv4 and/or DHCPv6 support. Accepts "yes", "no", "ipv4"
>> or "ipv6".
>>
>> In testing the options ipv4 and ipv6 are actually implemented as
>> v4 and v6.  Additionally on the same page in Example 2 the sample is
>> give:
>>
>> [Network]
>> DHCP=both
>>
>> which is not referenced in the above option.
> 
> This is due to a recent change:
> cb9fc36a1211967e8c58b0502a26c42552ac8060
> 
> Basically, the intention here is that options like this work as
> "per-address-family booleans". i.e. they primarily parse as booleans,
> but you can also assign them the special value "ipv4" and "ipv6",
> which turns them on only for one of the two address families.
> 
> The old names for the options are still accepted for compat, but we
> only document the new names, to make people use only the new names.
> 
> Lennart
>