WINS and Linux NAT was: [thelist] Networking: Localhost AND the net?

martin.p.burns at uk.pwcglobal.com martin.p.burns at uk.pwcglobal.com
Mon Dec 11 04:30:46 CST 2000


Memo from Martin P Burns of PricewaterhouseCoopers

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Dan

Many thanks for this - I have a few days at home over the Christmas period,
so I'll give it a try then.

Cheers
Martin



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Subject:  Re: WINS and Linux NAT was: [thelist] Networking: Localhost AND the
      net?




>> My cablemodem provider (http://www.blueyonder.co.uk) have sensibly
>> provided an ethernet connection to the modem box. Nice one.

>ok, what exactly do you mean by that? Is your setup one where you have a
>piece of coaxial cable that runs into this 'cable modem' and a
>cat-5(ethernet) cable runs out the other, and connects into your PC? Or
>is it a 'all in one' card, where the cable runs right into a card
>installed in your computer?

The first one, but it's restricted to one of the MAC addresses you've
registered with them.

>> One wee problem though, the modem is set up such that you need to
>> use WINS to discover the address for the DHCP server in it.


>Ok, that doesn't sound quite right. :) When the computer you have the
>'cable modem' connected to init's its networking shit, it sends out the
>DHCP request, which the DHCP server run by your ISp should respond to,
>assigning you an IP address, default gateway, nameservers, etc.

That's what I expected - same as normal dialup in other words.

The cable modem appears to contain a DHCP server - if you disconnect
the co-ax so your entire 'network' is the PC and the modem, the modem hands
out a reserved internal IP (169.* - I forget the exact range).

In Windows' IPConfig control panel, you don't put in the IP of a DHCP
server, you just check the box saying 'Use WINS to discover DHCP' (this
work laptop doesn't have it, so I can't check exactly).




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