[mdlug] dual homed and dual default routes?

[Raymond McLaughlin]

Rich Clark wrote:
> On Fri, 8 Feb 2008, Dean Durant wrote:
> 
>> Hello, I am trying to create a dual homed machine, that routes packets,
>> & runs squid.

>>SNIP> 

> Do you have the following line in /etc/sysctl.conf?
> 
> net.ipv4.ip_forward=1
> 
> Check that first, as it's the most likely problem. If you do and it's set 
> to 0, change it to 1.

Don't you need to reboot for this to have any effect? Or atleast restart
networking? That's my general understanding of the files under /etc/.

Isn't there a similar flag under /var, like /var/run/<something> that
can do this on the fly?