[ale] Cablemodem problems (Charter); DSL maybe

[Brian Pitts]

Ken Cochran wrote:
  nastiness just to have Internet access that works at all. :-(
> 
> b.  NAT issues
>     I see the little Westell modems from Bellsouth at customers'
>     homes & notice the following:
>     -  The modem itself handles the PPPoE/PPPoA stuff nowadays,
>        so no need for that on the client computer.
>     -  The client computer gets a gets an RFC1918 private
>        address, 192.168.100.x iirc.
> 
>     My own internal private network is also RFC1918 & 192.168.x.y.
>     If I change to DSL with its required PPPo{EA}, it appears
>     that I'll become "double-NAT"ed; is this a problem?  If so,
>     how do I deal with it?

Solution 1 is turn off your existing network equipment or modify it to 
disable NAT functionality. Solution 2 is put the Westell in bridged 
mode. There should be old ALE threads about this.

http://fastaccess.drivers.bellsouth.net/documents/Westell_Guide.pdf

-Brian