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[Kurai]

BRAND NEW DIR 655.  Took a bit to get working. Connected at 300mbps beautifully.  Then I started to notice I was lagging--I checked my connection speed and it's back down to 130mpbs.

I made sure to do WPA2 only, 20/40 range... I don't know what else to do to make it "stick" to the speed I want.  It's obviously quite capable of it.  If I reboot it it connects at that speed.... it just randomly reverts back to 130.

Any help would be much appreciated; I'd hate to have to RMA the thing.

[marmoduke]

Choose channel manually
20/40
N only, if your needs are N only.
Uncheck "extra wireless protection" if not needed.
Make sure NIC is connecting properly full Duplex.  Set manually if you have to.  If it is a USB NIC, any other USB devices on your computer will slow you down accordingly.  USB NICS are only good if you have no other choice.  USB speeds will be disappointingly slow no matter what.

[Kurai]

So far stuck on ch 6 and holding steady at 300mbps.

I do have a USB NIC but I did so by choice; my old NIC was a POS Linksys WRN300 that I am happy to be rid of; my new Rosewill RNX-N180UBE wireless USB NIC is awesome.

We shall see how things remain..

[Kurai]

I take it back.  I disconnected and reconnected and it's back to 130 again.  At least with my POS Linksys router I was at around 216.

[marmoduke]

I forgot to mention one important item.  Do not load the d-link connection manager at all.  Do everything from the microsoft wireless connection manager.  D-link software causes disconnections and slow speed readings.

[Kurai]

The only thing Dlink related I have been accessing is the control panel through the router itself to change the settings (although I can't find where I can turn off "extra wireless protection").

At this point this is the pattern:  I will be connected at 130mbps.  I will go in to the router settings and manually change a channel--1,2,4, it doesn't matter.  It will then reconnect (usually) at 300mpbs.  Then, if my computer goes into sleep mode or I restart, it will only connect at 130mbps again when it's woken up again.  It's like it forgets what to allow us to connect at when a 300mbps connection is broken.

I have a laptop that operates on b/g only so I don't want to go strictly n for this connection. But I need to figure out what it is that is preventing our computers from always connecting at 300mpbs without my having to go into the control panel and change something every time.

[marmoduke]

Can't think of too much else.  Only these rules:

Turn off anything you don't need...multicasting, upnp, etc.

Make sure the NIC is the only thing plugged into your USB ports.  If you have disk drives, mouse, keyboard, memory stick or anything else USB, your bus speed will be horrible.  If it's an old laptop, you may have a USB 1.x port which is half the speed of newer USB.

Speed may be computed in "bursts."  When you boot the unit, there is a fast burst of LOCAL packets going through and speed looks good.  Without constant local packet traffic, readings may be averages (including idle time), which will seem lower.  That is nothing to worry about.  Your ISP or websites may not be too "swift" either, severly averaging down your readings.

[Kurai]

I have no choice but to use a USB mouse and keyboard--they don't exactly make them for use with other ports now.  Heck there ARE no other ports.

The machine (a desktop) is new.  2.8ghz i7 processor, 16gb ram.... 22meg Comcast connection.  The actual antenna is actually connected to my USB 3.0 port now just for kicks and giggles and it made no difference.  It seems to me that logically, if it is perfectly capable of connecting to 300mpbs with a bit of manipulation, it should be able to do so automatically.

I might add that the same thing is occurring to my spouse's computer, and that machine is still currently using a PCI wireless N card--so I don't think it's the USB that is being problematic.

[thecreator]

Hi Kural,

What is your Internal Transmission Rate set at? Best (automatic)?
Security Mode WPA-Personal?
WPA Mode: WPA2 Only?
Cipher Type: AES?
Group Key Update Interval: 3600?


Wireless Channel should be set to a specific Channel. I found that Channel 11 gives the highest connection  Speed.

[Kurai]

Yes to all of the above.  And while I have it set manually to ch 11, it doesn't seem to make a difference.

I tried DLink phone support.  They were about as useful as a bucket full of holes.  I explained the problem, the man on the phone hurriedly gave me poor directions how to update my firmware version, told me how to RMA it if it didn't work, and nearly hung up on me in his hurry to get off the phone.  Updating to most recent firmware did nothing, for what it's worth.

I just don't understand how essentially "restarting" the router/broadcast connection (which is what it essentially does after a change is made) will connect me at 300, but the moment that connection is dropped--either by disconnecting the antenna or just disconnecting via the utility--it suddenly is unable to connect at 300 anymore.

It does the same thing on my husband's desktop with his wireless adapter (which is NOT USB) so it almost has to be a router thing.

And if it matters, we both run Windows 7 home edition.

[Kurai]

And actually, an odd question:  Is it possible that my computer is giving me a "false positive" on the connection speed?  I just ran a speed test when it was telling me I was connected at 130 and at 300, and the results were nearly identical.

[marmoduke]

Yes, that is what I indicated in so many words.  As long as things seem to be moving along without obvious hitch, speed is fine.

Speeds indicated are not accurate, just averaged by timeslices, I guess.

[davevt31]

Best way to see what your transmission rate is to log into the router and view the Status > wireless page.  If you are using non-DLink adapters you probably won't see the 300 rate under normal usage.

[Kurai]

Davet31, that would make more sense though if it never connected at 300 at all.  That's not the case here; it simply won't REconnect at 300 if the connection is dropped for whatever reason, until essentially the router is rebooted.

I'm more inclined to believe it's just not reading properly.  I'm on a Comcast 16 meg connection and doing speedtests in several different locations gave me results of around 25 meg when it was showing either 300 or 130.

[thecreator]

Davet31, that would make more sense though if it never connected at 300 at all.  That's not the case here; it simply won't REconnect at 300 if the connection is dropped for whatever reason, until essentially the router is rebooted.

I'm more inclined to believe it's just not reading properly.  I'm on a Comcast 16 meg connection and doing speedtests in several different locations gave me results of around 25 meg when it was showing either 300 or 130.

Hi Kurai,

What is your WAN PORT Speed on the D-Link? It should be set to Auto.

The Internet Speed Test is different from your Home Network speed.