Weird Problem...

Kevin D. Kinsey, DaleCo, S.P. kdk at
Wed Nov 19 13:00:41 PST 2003

Peter Elsner wrote:

> Okay, I have a really weird problem.
> Running FreeBSD 4.8-RELEASE (just installed it from CD).
> It's a basic gateway setup with 2 NIC cards.
> I've done this set up a hundred times and have never seen this before.
> DSL modem (with static IP address) goes into one NIC card (dc0).
> Status is active, and from the gateway box, I can ping out to the world.
> Second NIC (dc1) is connected to a hub, with internal IP
> DHCP is running and assigning IP addresses to workstations.
> Workstation is WinXP Professional, and it is set to obtain IP and DNS 
> automatically.
> This works, I do get an IP address of (the dhcp range is 
> 50 to 240).
> I have DNS, if I look at network settings, the DNS IP addresses 
> contained in the /etc/resolv.conf
> and the dhcpd.conf file from the server are there.
> From the workstation (a dos prompt), I can connect to the server at 
> and I can ping the server.
> Which means I have a connection.
> But I can't ping the outside world or connect anywhere else to the 
> outside from the workstation.
> I have tried both by host name and IP addresses, so DNS issues can be 
> ruled out.
> Also, from the server, I can ping the workstation, ( and 
> it responds...
> tracert (from dos prompt), goes to the server 
> and then says it
> can not go any further.  Almost like the DSL modem is preventing from 
> anything going out,
> unless it comes directly from the server.
> Right now, I can only connect up to 4 workstations to a Netopia 4 port 
> DSL router.
> But I have 2 other workstations to connect, and can't do that until I 
> can get this issue
> resolved.
> Has anyone ever seen this problem before?
> Thanks.
> Peter Elsner

Do you have


in /etc/rc.conf?  IIRC, FBSD needs to be
instructed that's it's supposed to be
bridging the two interfaces...

Handbook chapter 19.2 is probably
one place you need to look.


Kevin Kinsey
DaleCo, S.P.

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