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Make IP 'forwarding' doc more precise

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It wasn't clear if the 'forwarding' setting needs to be enabled on the
interface that packets are received from, or on the interface that
packets are forwarded to, or both.

In fact (according to my code reading) the setting is relevant on the
interface that packets are received from, so this change updates the doc
to say that.

Signed-off-by: Neil Jerram <neil@tigera.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Neil Jerram 2017-03-10 12:24:57 +00:00 committed by David S. Miller
parent 7ce1012466
commit 88a7cddce2
1 changed files with 2 additions and 1 deletions
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3
Documentation/networking/ip-sysctl.txt
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@ -1006,7 +1006,8 @@ accept_redirects - BOOLEAN
FALSE (router)
forwarding - BOOLEAN
Enable IP forwarding on this interface.
Enable IP forwarding on this interface. This controls whether packets
received _on_ this interface can be forwarded.
mc_forwarding - BOOLEAN
Do multicast routing. The kernel needs to be compiled with CONFIG_MROUTE