Have you rebuilt the TCP/IP stack? From: Roger Wright [mailto:[email protected]] Sent: Monday, December 05, 2011 10:45 AM To: NT System Admin Issues Subject: Re: Home Throughput Issue
He has swapped cable with another machine that didn't exhibit the problem - same result. Different ports on the router - same result. So it appears to be an issue with the laptop's Ethernet port. It just seems weird that it would have lower throughput than the 802.11g wireless connection. Roger Wright ___ I just had my vision checked. My hindsight was 20/20. My foresight is legally blind. On Mon, Dec 5, 2011 at 11:10 AM, Miguel Gonzalez <[email protected]<mailto:[email protected]>> wrote: Or maybe the ethernet ports in the router are no good. You have to check several things: - The NIC in the laptop/workstation. - The ethernet ports in the router. You can check itusing a hub/switch. - Maybe your cables are wrong. Sometimes it happens the wiring of your ethernet cables is not right. I've seen cables that were crimped manually with the wrong settings and that slowed down the network throughput. Miguel ________________________________ De: "Ziots, Edward" <[email protected]<mailto:[email protected]>> Para: NT System Admin Issues <[email protected]<mailto:[email protected]>> Enviado: lunes 5 de diciembre de 2011 16:53 Asunto: RE: Home Throughput Issue I would also take a look at the packets when he is connected wirelessly, and wired, and see if you see a higher level of duplicate acks, or fast transmissions, which might spell issues with the physical media ( NIC, Cable, Port on the Wireless router, etc etc) Sincerely, EZ Edward E. Ziots, CISSP, Security +, Network + Security Engineer Lifespan Organization email:[email protected]<mailto:email%[email protected]> phone:401-639-3505<tel:401-639-3505> [CISSP_logo] From: Glen Johnson [mailto:[email protected]<mailto:[email protected]>] Sent: Monday, December 05, 2011 10:42 AM To: NT System Admin Issues Subject: RE: Home Throughput Issue Sounds like you've eliminated most everything except the network interface in this one machine. Can you add/replace the network card? You didn't say if it is a desktop or laptop? If it is a laptop, I'd test at a different location. Friend, co-worker or some other place. If a desktop, slap a cheap nic in and see what happens. From: Roger Wright [mailto:[email protected]] Sent: Monday, December 05, 2011 10:15 AM To: NT System Admin Issues Subject: Home Throughput Issue A colleague has a problem that is stumping us: He has broadband at home and when connecting wirelessly to his router his throughput is significantly slower than when using the Ethernet connection. Speedtest.net says he's getting in excess of 20Mbps down and 5Mbps up via a wireless connection, but with a wired connection to the router his reported speed drops to 5 down/1 up, and the difference is readily apparent when browsing. Connecting with a wired connection from another machine, however, doesn't not report a slower speed and closely matches the wireless speed. He's updated the drivers for the NIC, adjusted the speed and duplex settings, disabled the software firewall, tried other ports on the router, swapped cables, but cannot improved his throughput when using an Ethernet connection from this machine. It seems odd that his wireless connection would be noticeably faster than his Eethernet connection. Anything else he can check? Roger Wright ___ I just had my vision checked. My hindsight was 20/20. My foresight is legally blind. ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected]<mailto:[email protected]> with the body: unsubscribe ntsysadmin ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected]<mailto:[email protected]> with the body: unsubscribe ntsysadmin ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected]<mailto:[email protected]> with the body: unsubscribe ntsysadmin ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected]<mailto:[email protected]> with the body: unsubscribe ntsysadmin ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected]<mailto:[email protected]> with the body: unsubscribe ntsysadmin ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
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