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[Patrick533]

Replaced NIC card with a generic 10/100 card, also replaced cable with a Cat 6E @ 10 FT.

The wireless still goes down when this PC is plugged in.

Could Vista 64 SP1 be fighting with the router? That does NOT make sense!

[Patrick533]

Plugged in a Windows XP Pro 32 bit computer into the same cable/port on the router and the wireless is rock solid, even with the Blackberry on it.

This is bizarre! I know Vista 64 is bad, but......

[davevt31]

Try turning off IPV6 on the Vista machine.

[thecreator]

Thank you for the instructions!

I have done what you have instructed me to do.

Partial success!

When I plug in 1 computer, it makes the wireless become unstable. It is the only hardwired gigabit computer in the house. I have tried moving the IP address everywhere! I have even forced Vista 64 out of the specified IP address range with no success. I Purchased a D-link DGS-2208 last week, it is a 8 port gigabit switch, everyone in the house goes through this switch and the wireless is fine, if I plug directly into the router or the switch, I take the wireless up and down similar to the previous logs posted above.

The NIC is a brand new Intel EXPI9301CTBLK, PCI-E card. I looked around and I could not find a D-Link PCI-E card available, only PCI. I have the latest drivers installed for the NIC. Hopefully this is only NIC card related, I do have a server that is running 100Mbps, but I was planing on upgrading it to gigabit also. At this point all I can do is monkey with the NIC card defaults in Vista 64, which could leave me there for days!

Any input is appreciated!

Thank you!!!!

Pat 

Hi Patrick,

http://www.dlink.com/products/?pid=DGE-560T

DGE-560T Gigabit PCI Express Network Adapter   

Buy.com sells it, but is out of stock.

http://www.buy.com/prod/d-link-dge-560t-pci-express-gigabit-network-adapter/q/loc/101/10396839.html

From the D-Link Shop, it is out of stock but sells for $57.99

[Patrick533]

GREAT!!!!

Turning off IPV6 made it ROCK solid for the last few hours with WPA2 enabled. The wired side is also very stable! I will have to wait until later this evening to get a true speed test, but on the wired side the prelim tests show almost a 4Mbps increase this morning, I have never seen over 28Mbps and I was getting 32 this morning, the last Linksys I tried had me at 8Mbps.

I have ran several tests and I can't get a hiccup from the DIR-655!

Thank you very much for everyone's input and help.

I have a new DOCSIS 3 modem coming next week with Gigabit WAN port vs the 100Mbps port I have now, might even be able to squeak a little more out of this system yet! Hopefully that will not jinx it!

I put some full size antennas on the router, it looks pretty scary! The signal increase across the property was worth it!   

Thank you again!

Pat

[Cobra]

Must be a Vista issue as I have Win 7 64 Pro with IPv6 enabled...no issues of any kind.

Glad I skipped Vista.   

[EddieZ]

People underestimate the effect of some networking features of an OS. Vista had a very 'faul' IPv6 implementation. Possibly in certain situations this causes a router to choke. I did not experience this with Vista, but it shows how complex some issues can be....blaming a router is the first thought, but not always the solution 

[Patrick533]

The last 2 routers did not have a problem with the IPV6. I have been running this machine and Vista64 for quite some time, before that I was using XP Pro 64. My last router was an Actiontec MI424WR, I did NOT need the Verizon router except for the WAN-LAN throughput.  A year or two ago I got into it with Linksys, their sales team in Irvine Ca. came right out and said I did not need that much speed. But then again they do NOT live with my family! They tried to sell me a Cisco router to handle my traffic, for some crazy price. I think I paid $25 for the Actiontec off of E-bay, brand new in the sealed factory box, around the same time frame.

My only concern now is, being TWC is shipping me a brand new Docsis 3 modem with a Gigabit port, what happens if we do go to IPV6? I have really not kept up with networking trends these days. Most of the stuff I deal with for my job is of the 2.55 GBPS++ Fibre channel variety used by the military. We actually use optical cables to the computer, so I have NOT seen anything with an Ethernet NIC, except at home, for a long time.

We do have the below on the issue, but I am not sure if they are using IPV6 name servers how that will work.     

IPv6 support is mandatory for us, the 655 as well as our current N line is slated for upgrade, but that could change at any second.

To my knowledge most home routers will use a NAT program that allows IPv6 on the WAN and an IPv4 Local network since the NAT is not transparent.

This would make more sense as the average user is already familiar with ipv4 addressing.

For now I am not going to over think it. This router is ROCK solid and FAST! I do not know how to display my speed test like EddieZ does, so below is the link. And the tech support I got over here VS. Linksys ROCKS! So I am a convert.

Besides, being an ex design engineer, every piece of hardware designed today is buggy, and by the time they get it de-bugged, the piece is obsolete! But WE made it work, that is PRICELESS!

http://www.speedtest.net/result/941538021.png

[Cobra]

Except the newer revisions that have the 2.0 firmware the 655 does not support IPv6.

[Patrick533]

Except the newer revisions that have the 2.0 firmware the 655 does not support IPv6.

So there is a newer version of the DIR-655 than A4?

That would be pretty close to what I ran into with Linksys, nobody had the latest hardware version, even though I really like this router, it is starting to sound like a bad investment?

It looks like I should have got a DIR-825 instead?    Even though the 5Ghz band will NOT play with my 9 extension phone system, I can always turn it off!

All I am seeing for IPV6 roll out dates is hypothetical, anyone have any insight to this?

[delayen]

Patrick, I'm having the same issues you had.  I have a PC running Win 7 64bit hardwired to the router, and I have a Macbook Pro and an iPhone wireless to the router.  The only time I see dropout issues with the wireless is when I have the PC turned on!

I plan to go back through this thread and see what changes I need to make to the PC and the router to stop this annoying issue.  Hopefully something will work, and I will post back.

Thanks for all your posts.

[Patrick533]

Patrick, I'm having the same issues you had.  I have a PC running Win 7 64bit hardwired to the router, and I have a Macbook Pro and an iPhone wireless to the router.  The only time I see dropout issues with the wireless is when I have the PC turned on!

I plan to go back through this thread and see what changes I need to make to the PC and the router to stop this annoying issue.  Hopefully something will work, and I will post back.

Thanks for all your posts.

With me it turned out to be IPV6 was enabled in Vista 64, turned off IPV6 and it went away. It did not seem to be firmware specific, but it did NOT like IPV6 being turned on. My new router, the DIR-825 was IPV6 compatible, so no problems with IPV6 being turned on. I have even done a little 4to6 surfing! I still like the DIR-655 better, a lot better range!

[delayen]

So I turned off IPV6 in my Windows 7 64bit OS and everything works great now.  I've got ver. 1.34 firmware on the router.  Everything is solid.