Q: I have a DSL modem, a Linksys BEFSR41 router and a 10/100 switch, I have 3 computers connected. All works fine except a small problem.
On one of the computers, when the NIC is set up as 100Mbps full duplex connection is very slow internect will be confirmed using an online speed test. When his to 10 mbps half duplex working at full speed.
This problem occure computers.
Thanks for other opinions.
Best Answer: From the model numbers provided you are using 2 routers on the same network. While this can be done it is a little tricky. The simplest solution would be to get rid of the old BEFSR41 router and put the WRT54gs in it's place. Power off and restart your broadband modem after swapping out the router. If you need both for some reason I can tell you how to configure them.
All right, to use both on the same network they must have different lan addresses, DHCP can only be active on one of them, and the cable from the first router must be plugged into one of the 4 switch ports on the second router NOT the Wan/Internet port.
Assuming the WRT54gs is the second router. Disconnect it from your network. Now plug a PC into one of the 4 ports on the back of it. Open a web browser and type the routers address into the address bar. By default Linksys uses 192.168.1.1 then hit enter. A logon box pops up. Leave the username blank and type the word "admin" for the password(no Quotes). A linksys setup screen appears. Look for an entry called Lan Address that shows the 192.168.1.1 address in it. Usually it is on the first basic setup screen but you may have to look around. Change that address to 192.168.1.2 and click save at the bottom. Now you may have to log back in by first typing the new address into the browsers address bar. Once you have logged in you now need to find the DHCP enabled/disable entry and click disable. Now click save. Now turn off your routers(unplug the power) and your pc's. Plug the cable that leads back to the BEFSR41 into one of the 4 switch ports on the WRT54GS router NOT the Wan/Internet port. Plug in any other devices to the other 4 switch ports and power everything up. If any of the address or passwords I gave you are not correct and you don't know the correct ones than you may have to hit the reset button on the back of the WRT54GS first and then configure it.
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Re:Originally posted by: guy
cat 5e is rated at 100 Meters (320ish feet)
this does not mean that there is no signal degradation, I still think that the problem is the length of the cables.
I would suggest taking your router upstairs and checking the speed between the problematic computer and a laptop or some other computer and I'll bet you will see great speeds.
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Re:cat 5e is rated at 100 Meters (320ish feet) but that assumes you have a good job on the ends, have you tried taking the old router and plugging it in with a short cable near the computer?
I havent tried that, but as I stated earlier the other computer which is actually located in the basement does not have this problem at all, the only computer that does is the one located at the topmost level of my house.
I'm using the latest drivers for the troublesome NIC, and this problem presisted in a fresh install of windows, so I dont think it's driver conflict or something, I will try using an older driver and see if it does anything.
Thanks for all the advice.
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Re:cat 5e is rated at 100 Meters (320ish feet) but that assumes you have a good job on the ends, have you tried taking the old router and plugging it in with a short cable near the computer?
It's most likely eitiher cable, nic, or drivers. You could also try a linux livecd to see if it can DHCP to rule out drivers.
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Re:It is still not clear to me that the NIC is the problem. If cable distance is indeed an issue, will the NICs in the links you provided solve that, if it is indeed the issue?
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Re:$9.99 shipped free, http://3btech.net/molppci10nec.html
Or $13.99 locally http://www.compusa.com/products/product…o.asp?product_code=50170110&pfp=BROWSE (http://www.compusa.com/products/product_info.asp?product_code=50170110&pfp=BROWSE)
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Re:my house is 2 levels plus a basement, the router is in the basement and the computer is at the top most level.
Its safe at assume its not the router cause I just replaced it and can still reproduce the problem.
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Re:what's the distance of the cables? at a certain point 100Mbps becomes inefficiently slow and 10Mbps is faster (at long distances).
I have a befsr41 with the same problem by the way.
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Re:beacuse new stuff always works right? Try a different nic
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Re:I dont think its a NIC because its a fairly new Gigabit Ethernet (integrated), so I dont think it would be causing the problem. I dont necessarily suspect the router im mearly listing the hardware used.
I wil be buying a new D-link router in hopes that it will fix this problem, any more advice is appreciated.
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Re:Why you think it is the BEFSR41.
I would try another NIC.
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