Bandwidth between two local PCs

Berserker

Berserker

Berserker

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Joined
4 Nov 2002
Posts
15,513
Location
West Berkshire
I'm having significant bandwidth issues between two PCs. The two PCs I had before have 'enough' bandwidth, but I had to replace one and now I have 'not enough'.

I have three problems:

  • I don't have figures for 'enough' and 'not enough'. I can tell which is which by inspection but I can't quantify them. I do have a rough idea though, and it's somewhere around 10Mbps. Latency may also be a factor here but I'm not sure about that.
  • I need to know how much bandwidth I have available between these two PCs. Is there a reasonable way of measuring this? Copying files doesn't count.
  • I need to figure out how to get more bandwidth. Sounds easy, but there's a problem - there are a total of six network devices involved - two cards, two routers, and two powerline adapters. Nonetheless, the fact remains that replacing only one of those devices has caused the problem.
Any help very gratefully appreciated. :)
 
PC -> Linksys Router -> HDX101 (Powerline) -> HDX101 -> Draytek Router -> other PC

I changed a PC at one end (due to the old one going pop).

Just did a quick file transfer test - 16Mbit/sec, and from memory that's about what I had before. That should be enough to allow me to stream video at 8-10Mbit/sec (freeview), but it isn't. Me no understand.
 
Anyone?

My thoughts possibly involve IRQ conflicts between the network hardware and the TV card. Some testing suggests I can stream non-live media at the same bandwidth no problem, but live media doesn't work so well.

PS - I can be a bit more helpful with details too if you need them now (I was getting ready for a weekend away).

Edit - looks like it was the powerline stuff. Wierd that it happened at the same time though.
 
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Right, I've simplified things (thanks to one of the HDX101's quitting - again), so now we now have three PCs connected directly to my Draytek router (one with a nice long stretch of cat5). Still having problems.



Update - solved - had a flash of inspiration and was spot on. How very annoying - nothing to do with the LAN in the end. Shame I broke one of my HDX101s solving it. :/

Thanks to those who tried to help.
 
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