[ale] [OT] make dsl modem visible?

[JK]

justin caratzas wrote:
> You can put the modem in router mode  on the WAN side, but you run into 
> frustrating NAT issues with two 'routers' linked in series.
> 
> Pardon my ignorance, but why would you want to see the modems 
> interface?  The road most traveled (and apparently used in this 
> situation as well) is to place the modem in 'bridge' mode, making it a 
> pass-through device (over-simplification), and using the router for any 
> admin functionality.


Yes, and in fact not having the modem in "bridge" mode is going to give
you two layers of NAT between your LAN and the world --> Gigantic Pain
In The Ass.

However, I find that even when in bridge mode, my ATT DSL modem (just
a modem, not a router) still serves up its admin interface on 192.168.1.254
(or maybe 192.168.1.1, can't remember).  And since the default route from
my router (a Buffalo Airstation running Tomato, but that's not relevant)
goes through the modem, and since my LAN is on a distinct subnet from
the modem (192.168.80.0/24), I have no problem hitting the modem's
admin interface from machines on my LAN.

Tim's problem may lie in the fact that practically everything in the
consumer-router world comes pre-configured to serve 192.168.1.0
addresses to LAN clients.  Changing the LAN subnet in the router
config might be all that's necessary.

-- JK