/proc/sys/net/ipv4/ip_forward resets to 0 after reboot

[Daniel Kahn Gillmor]

On Wed 2007-12-05 14:35:17 -0500, Tom Wolfe wrote:

> Can anyone tell me how to prevent /proc/sys/net/ipv4/ip_forward from 
> resetting to 0 after a reboot. I do have /etc/network/options set as 
> follows:
>
> ip_forwared=yes

This entry appears to be misspelled.  Maybe that's part of the problem? 

Most GNU/Linux distros allow setting values under /proc/sys by adding
entries in /etc/sysctl.conf, which is read at boot time.

On an ubuntu gutsy system (i don't have an edubuntu system handy to
try, and i don't know what version you're running anyway), i see this:

0 dkg at leonard:~$ grep forward /etc/sysctl.conf 
# Uncomment the next line to enable packet forwarding for IPv4
#net.ipv4.conf.default.forwarding=1
# Uncomment the next line to enable packet forwarding for IPv6
#net.ipv6.conf.default.forwarding=1
0 dkg at leonard:~$ 

hth,

        --dkg
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