[TriLUG] help with Bellsouth DSL static IP

[crimsun at fungus.sh.nu]

On Sat, Jun 26, 2004 at 09:08:33AM -0400, Dan wrote:
> I use the Westell Wirespeed DSL modem and a Linksys firewall/router. 
> Before I got the Westell I had a different modem (that got lightning 
> fried).  In the original setup, before Westell, the Linksys router did the 
> authentication with Bellsouth so the router got an external address.  When 
> the Westell came the instructions were to have _it_ do the authentication 
> and not the router.  So the Westell is what gets the external IP address. 
> So I ping my static IP I am pinging the modem and not the router, which 
> means all of the DMZ Stuff the Linksys offers me is useless because the 
> external world never hits the router on the static IP...

Have the Westell do IP "passthrough".

I have a Linux box set up to grab the WAN ip from the web page on the
LAN interface (192.168.1.254) of the Westell and to use the ip utility
to assign this WAN ip to eth0. eth0 and eth1 are on different subnets.

If you'd like these scripts (called from /etc/network/interfaces on my
Debian Sid box), just holler and I'll sanitize and post them.
 
> Any of this make sense?  I hesitate to go back to router authentication 
> because the connection with the Westell was flaky until I changed.

FWIW, I have a Westell 2100 using the ethernet connector, and it has
been solid since September 2002. I have followed each firmware upgrade
closely (have been running 1.6.33 since November 2003).

-- 
Daniel T. Chen          crimsun at fungus.sh.nu
GPG key:   www.sh.nu/~crimsun/pubkey.gpg.asc
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