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doc: networking: ip-sysctl: Document conf/all/disable_ipv6 and conf/default/disable_ipv6 

This patch adds documentation for sysctl conf/all/disable_ipv6 and
conf/default/disable_ipv6 settings which is currently missing.

Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20210121150244.20483-1-pali@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Pali Rohár 2021-01-21 16:02:44 +01:00 committed by Jakub Kicinski
parent b6011966ac
commit fc024c5c07
1 changed files with 12 additions and 0 deletions
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12
Documentation/networking/ip-sysctl.rst
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@ -1807,12 +1807,24 @@ seg6_flowlabel - INTEGER
``conf/default/*``:
Change the interface-specific default settings.
These settings would be used during creating new interfaces.
``conf/all/*``:
Change all the interface-specific settings.
[XXX: Other special features than forwarding?]
conf/all/disable_ipv6 - BOOLEAN
Changing this value is same as changing ``conf/default/disable_ipv6``
setting and also all per-interface ``disable_ipv6`` settings to the same
value.
Reading this value does not have any particular meaning. It does not say
whether IPv6 support is enabled or disabled. Returned value can be 1
also in the case when some interface has ``disable_ipv6`` set to 0 and
has configured IPv6 addresses.
conf/all/forwarding - BOOLEAN
Enable global IPv6 forwarding between all interfaces.