[lug] network card problem

[D. Stimits]

I'm not positive, but isn't firewall support required before ip_forward
will actually work?

D. Stimits, stimits at idcomm.com

Nate Duehr wrote:
> 
> Perhaps.  How's that for a useless answer?  :-)
> 
> You may also need to NAT that 10.x.x.x address to something useful for
> your internal network (or non-conflicting, as the case may be) before
> passing it along... there's not really enough info here to know for
> sure...
> 
> cat 1 > /proc/sys/net/ipv4/ip_forward
> 
> That may be part of the answer...
> 
> Nate Duehr, nate at natetech.com
> 
> Brett Monson wrote:
> 
> > I have two 3-com network cards. Eth1 can interface to the network here
> > at work and access the internet. Eth0 (IP:10.10.10.10) can ping a
> > linux workstation (10.10.10.11) and vice versa that are connected via
> > a null modem cable. I cannot however ping or get on the internet via
> > the 10.10.10.11 workstation. When I installed RedHat 7.2 I used the no
> > firewall option. Also, I have installed iptable updates as required to
> > use Shorewall. Whether shorewall is on or off, there seems to be no
> > transfer of packets from eth0 to eth1. Is there some kind of
> > configuration option or code that needs to be implimented to make
> > these cards transfer packets between them with no firewall present?