Good Call Scott. That's exactly what I was thinking.

DHCP will set the IP address and default route.
>From Winbox

IP-> Routes
Hit the + Button
0.0.0.0/0 for destination
Enter the Default Gateway from your provider in the gateway field

You will also need a masquerade rule.

If ether1 is your public interface, a simple example is:
>From Terminal
ip firewall nat add chain=srcnat action=masquerade out-interface=ether1

Regards,
Chuck Hogg
Shelby Broadband
502-722-9292
ch...@shelbybb.com
http://www.shelbybb.com


-----Original Message-----
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Scott Reed
Sent: Tuesday, March 02, 2010 6:52 PM
To: WISPA General List
Subject: Re: [WISPA] Pulling my hair out with an RB750

Did you set the correct default route on the 750?

Greg Ihnen wrote:
> I have an RB750 which I'm trying to install. It's not my first. The
modem is not acting as a DHCP server so I have to config the WAN port
(Eth1 Gateway) manually. When I've configured the modem (using NAT) I
can't access or ping the internet. I can ping the modem. So pings get to
the modem but not ip address of servers I know on the internet. Anyone
have any idea what this could be? I even downloaded a config from a
working RB750 I have at another location, edited the config so it was no
longer using DHCP on Eth1, manually configured Eth1, and nothing. Again
I can ping the modem but nothing beyond it.
>
> Thanks in advance.
>
> Greg
>
>
>
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-- 
Scott Reed
Sr. Systems Engineer
GAB Midwest
1-800-363-1544 x4000
Cell: 260-273-7239



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