[ale] network setup problem

Joe Knapka jknapka at earthlink.net
Thu Aug 31 23:44:11 EDT 2000


Wow, that's a new one.

What is the output of "netstat -r" on a client, both
with and without the default route? Also, what is the exact
command used to add the default route?

-- Joe

Jim Kinney wrote:
> 
> Hi all,
> 
> I have run across a problem I that has me stumped (and everyone else I've
> talked to).
> 
> I setup a private lan (192.168.0.0/255.255.255.0) with a gateway machine
> (eth0 192.168.0.3) connected to the outside (eth1 170.140.123.1). I setup
> all the private lan boxes to use gateway 192.168.0.3 and turned on
> ipchains (Rusty's 3 line firewall, no security, just NAT). I could then
> ping from the private LAN to the outside world. However, I could not ping
> from private to private machine. If I delete the default route, I can see
> the inside machines, but not the outside.
> 
> The machines are connected with a dumb hub (no management at all, 5 ports
> and blinking lights).
> 
> I "thought" the gateway was the last choice for routing packets.
> 
> These machines are running RedHat 6.2 with all the current fixes. No
> Helix-gnome.
> 
> Prior to the swith-over to private lan, they all had "real" IP addresses,
> talked to a dumb hub, had a gateway, could ping anyone. No firewall ($#@
> school security holes!).
> 
> What am I missing?
> 
> JimK
> 
> --
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-- 
*** Joseph Knapka ***
In any formula, constants (especially those obtained from handbooks)
are to be treated as variables.
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