At 15:52 12-04-99 +0800, you wrote:
>doing the right things its just that the packet gets stuck on my linux
>machine and does not get forwarded out to the internet.  Is there a
>command to know if my ip forwarding is turned on?   I encountered it
>once reading some materials but I have forgotten the command already.  I
>hope someone can help this problem really has me boggled.  Thanks in
>advance.

If you are using the /proc filesystem:

cat /proc/sys/net/ipv4/ip_forward

- it should return 1, if ip forwarding is enabled, otherwise to enable:

echo 0 >/proc/sys/net/ipv4/ip_forward

The command 'ipfwadm -F -l' will tell you something about the current
forwarding rules. (If you are using a 2.0.x kernel, which i presume.)

1) Can the linux gate ping hosts on the internet?

2) Can the other machines ping the linux gate (internal/external interface)?

/Anders Brander - beaviz at freesite dot dk


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