Hmm. I went all the way through to a level 2 tech with them yesterday, and was told the same thing, over and over: "it isn't possible for us to reset the ethernet device hardware address". I made sure they understood that I wasn't some idiot asking them to "zap" my machine from Ohio (where their tech support is) and reconfigure my MAC address. They insist that it is no longer possible to do so, that since the changeover (from @home to ATTBI) any machine ID requesting an IP is treated as a separate modem. (Or something like that).
Anyway, I'm glad for the offer of help. I am routinely assigned the same IP, even though these are supposed to be dynamically assigned. Couldn't I just manually configure an IP address for that machine? In answer to your questions: Actually, I've been doing all the troubleshooting with the cable modem plugged directly into the B&W G3 - no hub, no nothing. It works (drops connection) exactly the same way, so. . . I have a hub, but it's not a factor at this point (not hooked up). The B&W was the "official" machine, yes. It was the machine that was originally set up with their service. There originally were two other machines on the hub, but I've been troubleshooting with a direct connection between B&W and the cable modem. The cable modem is an RCA DCM215. I'll give your other suggestions a shot. JC > AT&T is lying to you. There is even a web page where you can enter a new > MAC (ethernet device hardware) address, manually. And, this is exactly > where the problem is; I've been there*. You're connecting to a temporary > address at ATTBI, whose connections only last for a few minutes. A new > network card won't help you. Odds are 10 to 1 that neither your > settings, nor your hardware, are to blame. > > Some questions: > > Do you have a hardware or software router that provides NAT (network > address translation) for the machines on your LAN? > > Was the B&W your 'official' machine with AT&T before you started the > upgrades? > > While you were working on the B&W, where there other machines attached > to your hub? > > Which cable modem are you using? > > Here is a process you can try: > > 1) Turn off the cable modem and unplug it from the wall. > 2) Disconnect the hub from the cable modem. > 3) Shut down the B&W. > 4) Connect the CAT-5 (ethernet) cable from the B&W directly to the modem. > 5) After at least 3 full minutes, plug the modem back in and wait for it > to sync with the network. (All but one of the indicator lights will stop > flashing. It won't be lit, at all.) > 6) Once the modem is synchronized with the cable, start up the B&W. > 7) Check the B&W's network status (in ASP, for example) and determine if > it's using a real AT&T IP, such as 12.228.x.x. > > If that doesn't work, try steps 1-7 again, except do step 6 before step > 5. > > And, if that doesn't work. Call ATTBI, again, swear you've never even > heard of a home LAN, and tell them you've gotten a 'new' computer and > need to set it up with the cable modem, instead of your earlier machine. > Go through the motions with them. If they don't figure out that the MAC > address needs resetting on their end, ask to go to "level 2" service. > They can, btw, tell you what MAC address they have as being your primary > machine. You can compare that number (the hardware address shown in ASP) > with all your machines and see which one it is. The level 2 people can > almost always figure this out and solve the problem for you. > > *(I use an old Pentium machine running OS/2 as a router/firewall. When > this problem happen to me, I had also just installed a new TCP/IP stack > from a CD. Unfortunately, the newer version caused a kernel trap every > time it tried to renegotiate a new DHCP license. So, I had to research > for a newer fix, shutdown, restart, research for another 5 minutes, > shutdown, restart, research, and do on. Oy.) > > On Monday, July 1, 2002, at 07:14 PM, J Cole wrote: > >> Well, AT&T Broadband couldn't figure the problem out, either. Evidently >> they >> can't reset the hardware address - something about the way they handle >> things. I'm going to put in a call to my friendly neighborhood Apple >> store >> and see about a replacement Ethernet card. > > > -- > G-List is sponsored by <http://lowendmac.com/> and... > > Small Dog Electronics http://www.smalldog.com | Refurbished Drives | > -- We have Apple Refurbished Monitors in stock! | & CDRWs on Sale! | > > Support Low End Mac <http://lowendmac.com/lists/support.html> > > G-List list info: <http://lowendmac.com/lists/g-list.shtml> > Send list messages to: <mailto:[EMAIL PROTECTED]> > To unsubscribe, email: <mailto:[EMAIL PROTECTED]> > For digest mode, email: <mailto:[EMAIL PROTECTED]> > Subscription questions: <mailto:[EMAIL PROTECTED]> > Archive: <http://www.mail-archive.com/g-list%40mail.maclaunch.com/> > > Using a Macintosh? Get free email and more at Applelinks! > <http://www.applelinks.com> > -- G-List is sponsored by <http://lowendmac.com/> and... 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