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  • Status: Solved
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Internet line drop when downloading large files.

Hi.
Have a customer that every time they try to download large files (over 30 mb), theri internet line drops out. Same on server (SBS 2003) and workstations (XP pro).
They can download many smaler files (10-15 Mb) one after the other no problem.
And line are messured to good speed. (8 mb\s)
After line dorps out, it comes back after a minute or two,
Thoght about trying changing router (zywall 2) and modem that stands in bridge mode.
Any other ideas??
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Tore Jacobsen
Asked:
Tore Jacobsen
2 Solutions
 
lnkevinCommented:
Is there a firewall setting to limit size on download? Make sure you go through all the rules in your FW.
Changing Internet equipments is a good way to test out the failure. It could be some default issue with the modem or some set up that prevents large file download. Have you ever been successfully download large files on these equipments or this is a new set up?

K
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Tore JacobsenSystem adminstratorAuthor Commented:
Hi.
Same equipment for several years, new problem.
Spoke to ISP and they said that the line have been connected without drop for 3 mnths.
So i guess it must bee firewall\ router. Will try to change that, and see.
can not find anything in firewall regarding file size.
Funny thing> When I try to download a big file (200 mb), it stop downloading after 30-40MB)
I cancel the downloading (wish gives no error, just nothing happens) and select the same file for download, it continues from where it stopped (30-40Mb) and downloads 5-6 MB more, before it stops again..
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lnkevinCommented:
If the same equipments have been working for years, there must be two issues:
- Recent changes, integrations, or installations
- The equipments are failed

Some suggestions:
- Reset your router and modem
- Try to use Internet Download Manager for testing to see if you can get past 40MB
http://download.cnet.com/Internet-Download-Manager/3000-2071_4-10071618.html

K
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DjAriochCommented:
Definitely sounds like a router/firewall issue. Try upgrading the firmware or physically replacing the device. At first I thought it could be an mtu size issue but it sounds more like the router is reseting the connection after a specific timeout period. Replacing the router will bypass that problem.
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amrishvoraCommented:
Try downloading a huge email or try using a PM ( any messenger which allows large file transfer ) we need to find whether this happens on a particular port or this problem is preveland on all ports ? ofcourse try reseting the firewall / router first.
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systanCommented:
Try a download manager like flashget or limewire, if the same thing happens, meaning your ISP has enabled a greater than 30mb and drops the connection, but if is Ok using some download manager, meaning the system of your pc has something to do with it, try if BITS(Background Intelligent Transfer Service) is enable on services
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goyalindia2Commented:
sometimes there are small spikes n surges in telephone line. when we download large files, one line constantly becomes busy. even smallest of spike lead to breakage of connection. in such circumstance, you should contact ur broadband company. the other option available with you is to use a decent download manager. i use flashget. you can google for flashget and can download it. it is a small program of 3-4 mb only. with it you can download files of even 1000 MB without any problem. and the best part of this program is that even if connection breaks in-between, when you connect the connection again, the download will get resumed from the point where the connection was broken. if in your previous connection, suppose 30mb of 1000 mb was downloaded, then on next attempt, the download will start from the 30th MB.
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Tore JacobsenSystem adminstratorAuthor Commented:
Hi. It was the Firewall...

Talked to the ISP and they had not registrated any drops for 4 mnths.

Tried swapping the firewall (zywall 2) and it worked fine.

Thanks all
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