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75 posts

Master Geek


Topic # 26783 3-Oct-2008 09:41
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Hope someone can help, this all seems odd to me, I have a network that looks like this:

          bedroom media pc    office machine
                   |                               |
                   |                               |
                    --------------------------
                                    |
                         office gigabit switch 
                                    |
                         downstairs switch

                                    |
      ----------------------------------------------------
      |                             |                                |
lounge media pc    main file server             adsl router

Now I've been having trouble playing media in the bedroom media pc from the lounge machine (record tv from the lounge, you see)

So this morning I tried copying the file from the lounge machine to the bedroom, and also the office machine, and both copies were either very slow or failed completely, even though I can see all the files on the lounge machine.

In contrast, I can copy files very quickly to the main file server, as you can see it's attached to the same switch.

So is there anything I can check? I've restarted the office switch, with no effect and rebooted all machines. 

All machines on the network report gigabit connection speed.

Any help would be appreciated, I guess the only other option is to run cables from office and bedroom directly to the downstairs switch, thereby eliminating the need for the upstairs one, but I'd prefer not to have to do that.
Cheers,

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  Reply # 168766 3-Oct-2008 10:37
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Hi Adam, Is the link between the two switches reporting 100 or 1000Mb/s connect or 10, maybe this link is bad.

Cyril



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Master Geek


  Reply # 169293 6-Oct-2008 13:46
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Well interestingly over the weekend I did some more work and found that the link from upstairs was plugged directly to the adsl router instead of the gigabit switch. So changed that and now get good speed from the upstairs office machine.
However I still have issues with the bedroom media pc, and if i do something like "ping www.yahoo.com -t " i get lots of timeouts - it returns maybe 10 results ok then it'll start timing out and continues in that fashion.
I stuck a wireless card in and that seems to return good consisten results on the ping, but its too slow to do the media stuff i want, so I really need to try and fix the wired connection.
I assume this is either going to be a hardware issue or some driver related thing in Vista..

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  Reply # 169317 6-Oct-2008 15:34
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Does the office pc have the same problem as the bedroom pc copying to and from the lounge pc? 

I would check the cable (or swap to a different cable) and network card for all the problem pc's.  You could also try rebuilding the tcp/ip stack on those machines (assuming they are running winxp or vista), see here:

http://www.devcow.com/blogs/adnrg/archive/2006/08/21/Netsh--a-hidden-commandline-gem.aspx



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Master Geek


  Reply # 169331 6-Oct-2008 16:13
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No, once I switched the connecton over to the gigabit connection downstairs the office machine was able to copy files really fast, so now it comes down to something specific to the media pc in the bedroom.
I'll dig out another cable and a spare network card to night and see if that helps.
Thanks for the ideas!

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