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

[Tom Wolfe]

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
spoofprotect=yes
syncookies=no

and I do the following manually to allow ip forwarding:

sudo sh -c 'echo 1 > /proc/sys/net/ipv4/ip_forward'

whereupon

cat /proc/sys/net/ipv4/ip_forward

produces

1

and port forwarding is enabled. After reboot though

/proc/sys/net/ipv4/ip_forward

produces

0

Regards,
Tom Wolfe

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 	Tom Wolfe, IT Specialist 	twolfe at sawback.com
 	Stoney Educational Authority	tel: (403) 881-2650
 	Box 238, Morley AB, T0L 1N0	fax: (403) 881-2793
Morley Community School | Chief Jacob Bearspaw School | Ta-otha School