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DSL And PPoE

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by azizhakim

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I had previously set up Lan with Demand Dial to ISP and all internal clients could attach to all sites and yahoo mailboxes.Replaced with sbc Yahoo DSL modem,reconfigured RRAS with NAT.Clients computers are not able to attach to certain sites eg ebayand clients can ping yahoo,open home page but cannot get to their mailboxes.All clients can open msn & go to hotmail,log on and check mail or send out mail.I have not configured any filters on my nat server ie the nat server will allow all ports to pass which is default behaviour.My question is has anyone experienced this issue or is there a resolve.Sbcyahoo help notified me they do not support network access.Any thoughts will be welcome.
Thanks

4 replies

by curlergirl

Well, my guess - and it's only a guess since I've never set up a DSL connection with this type of configuration - would be that you might be running into some problem with translation between the PPPoE protocol (external) and TCP/IP (internal). I believe SBC supplies a product called Enternet which provides the PPPoE services on the server. Did you install this software on your server and does it seem to be working properly? Either that, or there is a routing problem having to do with DNS settings. You do need to make sure that all of your users have the correct DNS server addresses in the TCP/IP properties of their workstations, and be sure they have both a primary and secondary and can resolve names using either one.

Personally, Ithink you'd have a much easier time if you go to a DSL router with NAT capabilities instead of using your server and RRAS to do the routing. You can get very inexpensive DSL routers from Linksys, NetGear or 3COM for around $100. Then, all you do is plug your DSL modem into the router, do a few configuration steps and you're all set. Give it some thought.

Hope this helps!

by curlergirl

Another thing you might try - I have used SBC DSL service also, and I find that the software they supply (Enternet) does not work very well with Windows 2000. I use a shareware software product called RASPPPoE that works great. You can get it fromthis website if you're interested in giving it a try: http://user.cs.tu-berlin.de/~normanb/

Good luck!

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