Work Internet dying constantly...

Paul_Canning

Paul_Canning

Paul_Canning

Associate
Joined
21 Sep 2007
Posts
453
In the office where I work, we are encountering major problems with our connection.

Specifically, when anyone uploads a lot of files via FTP (approx 5-10 simultaneous connections) or even downloads big files, the Internet grinds to a halt.

Our connection isn't amazing, giving us approx 5mps download and 600kbps upload.

What factors kill the connection, uploads or downloads, or both?

Is there anyway to limit the effects of either operation, so other people can still use the Internet?

Thanks!
 
1) We have a netgear jobby, DGN2000.
2) No idea, connection provided via one of the bosses uncles (dont ask lol!!)
3) 6063.88 Kbps ( 5.9 Mbps ) / 678.72 Kbps ( 0.7 Mbps )
 
1) The DGN2000 is fine. Is the firmware up to date?
If it is, it may be looking at one of the open source firmware alternatives.

2) It's probably not the ISP's problem unless they provide the router.
 
What I'm after really is the knowledge as to what can choke the connection, so I can try and explain to my boss whats wrong (He claimed he paid £100+ for the router = he clearly knows nothing about technology bless him)
 
Paul_Canning said:
Our connection isn't amazing, giving us approx 5mps download and 600kbps upload.

What factors kill the connection, uploads or downloads, or both?

Is there anyway to limit the effects of either operation, so other people can still use the Internet?
Click to expand...


Saturating either the upload, or the download will kill the experience for web browsing and other uses. With the bandwidth you mentioned, it is much easier to overload the upstream, as you are probably seeing with FTP upload.

QoS is the mechanism that would allow you to limit the effect. I don't know your particular router. On a Cisco I would apply a Qos Policy that limits FTP traffic outbound to a % of the total upload, allowing other protocols space on the upstream. It would slow down the FTP transfers, but allow the connection to be used for other things at the same time. Your router may be able to provide similar functionality, but YMMV.
 
If you saturate the upload, your ACKs are going to end up queued to oblivion and the download's going to grind to a halt.

Try limiting the upload bandwidth of the FTP software.
 
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