DSL - A modem is a modem is a modem, right?
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Posted by TBerk on July 21, 2008, 9:33 pm
Please log in for more thread options In the config I am working with I have a UHP DSL Modem (Earthlink supplied) connected to a 11b/g wireless router. Repeatedly (and often) the modem enters this 'diagnostic' phase where is blocks internet access and displays Earthlink's "Fix and/or Retry" page. - The modem is currently in DHCP/NAT/PPPoE Mode, I'd like to disable this and have the Router do the PPPoE dialing. - The modem is supplying DHCP to the Router. Seems it would be better to hard code some static IPs in there between the Modem and the Router, right? - re: the Subject Line, I have another, extra, DSL modem at hand and I am thinking to swap it out to divide and conquer the 'problem'. Any problem(s) with swapping DSL modems like lego blocks? TBerk | |||||||||||||||||||||||||
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Posted by Jeff Liebermann on July 22, 2008, 11:25 am
Please log in for more thread options I don't think you can do that. The IP addresses supplied by Earthlink arrive via PPPoE (not DHCP). You have to have a PPPoE client running somewhere. You currently have it running inside the UHP DSL modem. You can setup the UHP modem for bridge mode with instructions at: <http://www.dslreports.com/faq/earthlink/100_UHP_DSL_Modems>
(See first item on disabling router mode). You then setup PPPoE in
the router. You can also setup the PPPoE dialer in the computer, but that's a wasted effort if you have a router. >- re: the Subject Line, I have another, extra, DSL modem at hand and I
>am thinking to swap it out to divide and conquer the 'problem'. Any >problem(s) with swapping DSL modems like lego blocks? Yep. However, if Earthlink is doing MAC address authentication, you may have a problem. When you juggle modems back and forth, be sure to power cycle the attached router, as the MAC address table on the WAN port needs to be updated. Also, if you don't get an IP address from Earthlink in the router, try turning the modem off for about 15 minutes to reset the config in the DSLAM. -- Jeff Liebermann jeffl@cruzio.com 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 | |||||||||||||||||||||||||
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Posted by TBerk on July 23, 2008, 1:16 am
Please log in for more thread options > On Mon, 21 Jul 2008 18:33:39 -0700 (PDT), TBerk
> > >In the config I am working with I have a UHP DSL Modem (Earthlink
> >supplied) connected to a 11b/g wireless router. >
> >Repeatedly (and often) the modem enters this 'diagnostic' phase where
> >is blocks internet access and displays Earthlink's "Fix and/or Retry" > >page. >
> >- The modem is currently in DHCP/NAT/PPPoE Mode, I'd like to disable
> >this and have the Router do the PPPoE dialing. >
> >- The modem is supplying DHCP to the Router. Seems it would be better
> >to hard code some static IPs in there between the Modem and the > >Router, right? >
> I don't think you can do that. =A0The IP addresses supplied by Earthlink > arrive via PPPoE (not DHCP). Well, I _am_ running the PPPoE via the router now. I just let the IP numbers etween the router and modem take care of themselves. >=A0You have to have a PPPoE client running
> somewhere. Yeah. Thx Jeff, so far with the modem in 'I'm only a modem' mode all seem well, no swapping to report as of yet. TBerk | |||||||||||||||||||||||||
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Posted by Jeff Liebermann on July 24, 2008, 7:01 pm
Please log in for more thread options On Tue, 22 Jul 2008 22:16:40 -0700 (PDT), TBerk
>Well, I _am_ running the PPPoE via the router now. I just let the IP
>numbers etween the router and modem take care of themselves. If you're doing double NAT, you may have problems with any programs or services that require port forwarding in the router. It will go through the router when properly configured, but not the NAT DSL modem, which probably doesn't have port forwarding or redirection. >> You have to have a PPPoE client running
>> somewhere. >
>Yeah. Thx Jeff, so far with the modem in 'I'm only a modem' mode all >seem well, no swapping to report as of yet. It's called "bridge mode" in most modems. -- # Jeff Liebermann 150 Felker St #D Santa Cruz CA 95060 # 831-336-2558 jeffl@comix.santa-cruz.ca.us # http://802.11junk.com jeffl@cruzio.com # http://www.LearnByDestroying.com AE6KS | |||||||||||||||||||||||||
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Posted by TBerk on July 27, 2008, 12:29 am
Please log in for more thread options Snip>
> >Yeah. Thx Jeff, so far with the modem in 'I'm only a modem' mode all
> >seem well, no swapping to report as of yet. >
> It's called "bridge mode" in most modems. > > -- > # Jeff Liebermann Yeah, sorry, I've been less than precise with actual details. I changed the modem to bridge mode and the router to PPPoE to do the connecting, etc. I'm just posting quickley tonight, more details in another thread. TBerk | |||||||||||||||||||||||||
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>supplied) connected to a 11b/g wireless router.
>
>Repeatedly (and often) the modem enters this 'diagnostic' phase where
>is blocks internet access and displays Earthlink's "Fix and/or Retry"
>page.
>
>- The modem is currently in DHCP/NAT/PPPoE Mode, I'd like to disable
>this and have the Router do the PPPoE dialing.
>
>- The modem is supplying DHCP to the Router. Seems it would be better
>to hard code some static IPs in there between the Modem and the
>Router, right?