RE: BT ADSL USB modem not working with ISA
- From: "Colin Amos" <tori65@xxxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Wed, 27 Feb 2002 23:39:23 +1100
Haj
Yes to allow the PC's in the house to connect whilst getting protection from
the ISA server you will need two NIC's. One for connection to the ADSL
modem which is your external connection, and one for your internal network
that connects to a small hub/switch.
For the external connection they should have supplied details on the IP
addressing, one will be your public IP which you can place on the external
connection, the other may be for the modem and this would be your external
gateway. If your not sure about your ADSL setup, I suggest getting in
contact with Tech support from the supplier.
The internal address should conform to a standard which is defined in RFC
1918 (Request for Comment). Basically there are three IP network addresses
reserved for private networks. The addresses are 10.0.0.0/8, 172.16.0.0/12,
and 192.168.0.0/16. They can be used by anyone setting up internal IP
networks, such as a lab or home LAN behind a NAT or proxy server (incl ISA
server) or a router.
There are some excellent articles in the Learning Zone at ISAserver.org
(http://www.isaserver.org/pages/learning%20zone.htm#tutorials) that may also
be of help
For Tom and Jim, I hope you don't mind me quoting your site like that
above!!
Regards
Colin Amos
-----Original Message-----
From: haj [mailto:hgill@xxxxxxxxx]
Sent: Wednesday, 27 February 2002 1:31 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] BT ADSL USB modem not working with ISA
http://www.ISAserver.org
Hi All,
I have a BT USB ADSL Modem box connected to my ISA server with one network
card installed. I need the rest of my PC's in my house to connect and work
through my ISA server but it doesn't want to work. Do I need two network
cards in place? or what is wrong and why can't i connect to the Internet
through my ADSL Modem. With one network card in place I have assigned an
internal IP address like 172.20.XXX.XXX and the ADSL modem has it's own
assigned IP address which is supplied by BT, but it doesn't work
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