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can't send with Ethernet ADSL and OSX
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Mac Enthusiast
Join Date: Dec 1999
Location: Italy
Status:
Offline
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I got my adsl connection last week and connected up the ethernet modem that the isp supplied me with (IPM Datacom Speedweb) to my iMac DVSE 400 and everything seemed fine. I was very pleased because it came with no instructions for OSX (not officially supported) only OS9 and windows.
After a while I however discovered that I could not sent e mails unless they were tiny (a few k). If I added an attatchment or wrote a page or two of script they would remain in the out box and I would get an error message telling me to check my mail settings. Unfortunately it is not just with e mails that I have a problem, the software update panel also gives me an error message and in these forums I can only send messages such as this (or reply to others) using my 56k modem connection. If I hit"subit new thread" using the adsl line I get a "cannot connect to the server" error message.
Is there any way to check if the problem is with my modem or with my ethernet? I have checked all or my connections etc and my isp can't seem to help. It seems so strange, normal navigating and downloading are fine.
Any help would be really wellcome
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iMac DVSE 400 640mb + AL PB 15" with 1 gig + iMac 2,8 with 4gb + MacBook Pro 2,53 with 4gb
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Grizzled Veteran
Join Date: Oct 1999
Location: Minneapolis
Status:
Offline
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Fresh-Faced Recruit
Join Date: Aug 2002
Status:
Offline
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hey, I've exactly the same problem, except that it only happens when I add my Compex router into the network. If I'm connected directly to the ADSL modem, everything works fine.
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Administrator 
Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Online
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Originally posted by kristian:
hey, I've exactly the same problem, except that it only happens when I add my Compex router into the network. If I'm connected directly to the ADSL modem, everything works fine.
Your router probably has its own MTU setting; many do. Find the setting and change it to the appropriate value (probably 1492, since PPPoE eats up 8 bytes from every packet), then restart everything. That should do the trick.
N.B.: The default MTU for most routers is 1500, which works fine with cable modems because they don't use PPPoE. You may have, instead of a numeric input, a choice between ADSL (or simply DSL) and Cable service. Obviously you'd choose the DSL option.
P.S.: What DSL service do you use?
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Glenn -----
OTR/L, MOT, Tx
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