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Forwarding




I did an apt-get install on a kernel that looked like it was packaged for
my machine.  Now I want to pass traffic between the two nics that are
installed.

First question:  Does this system map indicate that forwarding is in the
kernel?

thevenin:/boot# grep -i forward System.map-2.4.18-686
c0199f40 T ip_forward
c019a180 t ip_forward_finish
c019ae54 T ip_forward_options
c01b8494 T inet_forward_change
c01b84e0 t devinet_sysctl_forward
c01bad40 t ipv4_sysctl_forward
c01bad84 t ipv4_sysctl_forward_strategy
c01c06b4 t ip_mr_forward
c01c11e8 t ipmr_forward_finish

If so, besides turning on forwarding using:

echo "1" > /proc/sys/net/ipv4/ip_forward

What else is required? With the new netfilter code do I have to provide
some rules to allow forwarding?

-- 
Sincerely,

David Smead
http://www.amplepower.com.


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