[nos-bbs] iptables qestion -- more..

[jerome schatten]

Thanks... yes ipv4_forward returned a '1'.
j.

On Thu, 2012-11-15 at 14:45 -0500, Jay Nugent wrote:
> Greetings,
> 
> On Wed, 14 Nov 2012, Michael Fox - N6MEF wrote:
> 
> > Well, since your linux machine has no iptables rules to block traffic, I
> > would guess that you have a routing problem.
> 
>     I concur.  From the output you listed in your first email, you have NO 
> firewall rules (iptables -F flushes them all) and that is good :)
> 
> 
> > Check the routes in JNOS, linux and your Internet firewall/router.
> 
>     If you are routing between interfaces in Linux, you MUST turn on IP 
> Forwarding in the kernel.  No packets can move between your eth and tun 
> interfaces unless this bit is set.
> 
>     cat /proc/sys/net/ipv4/ip_forward
> 
>     That should echo back a 1 if forwarding is set, or a 0 if it is not. 
> If it is a 0, you can set it to a 1 with the following command:
> 
>     echo 1 > /proc/sys/net/ipv4/ip_forward
> 
>     Your autoexec.nos script typically sets this bit to on.
> 
> 
>        --- Jay  WB8TKL
> 
> 
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