Re: Disable IPv4

[Brian Haley <brian.haley@xxxxxx>]

On 04/14/2011 01:32 PM, Rose Price wrote:

First, please don't do this cut/paste inline responses, they are hard to follow.

>> You're talking about the module parameter here, correct? 
> 
> Yes I think, I was referring to the following code in ip6_input.c, and 
> ip6_output.c, which may have changed, 
> 
> ipv6_rcv()
> 
>       if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL ||
> !idev || unlikely(idev->cnf.disable_ipv6)) {<-------------------------------------------------------

That's the per-interface setting, which is inherited from the default.

I'm confused though, since your disable IPv6/IPv4 question comes from a
10,000 foot management view of the system, but you're looking down in
the details of the input/output routines... you first need to understand
how to disable before you can jump right into the code details.

Take a look at Documentation/networking/ip-sysctl.txt and ipv6.txt for
some notes on the settings.

-Brian
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