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D-Link 900AP+ in client mode connect to a switch?

 
 
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      07-13-2003, 09:48 PM
Can this be done? Want to connect (bridge) two LANs together and I know this can be done
via 2 900AP+ in bridge mode but this blocks any external wireless traffic like from my PDA
or laptop. Can I connect one 900AP+ as an access point to LAN A and another 900AP+ in
client mode to a switch on LAN B? Will this work? If not, any other solutions?


 
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Ray
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      07-13-2003, 10:14 PM
On Sun, 13 Jul 2003 21:48:35 GMT, Press Ctrl-Alt-Del Now <(E-Mail Removed)> wrote:
> Can this be done? Want to connect (bridge) two LANs together and I know this can be done
> via 2 900AP+ in bridge mode but this blocks any external wireless traffic like from my PDA
> or laptop. Can I connect one 900AP+ as an access point to LAN A and another 900AP+ in
> client mode to a switch on LAN B? Will this work? If not, any other solutions?


AFAIK the 900AP+ can only handle 1 client computer in client mode so you'd
need to use a router that does NAT between the second 900AP+ and the switch
(or get a combo router/switch).

--
Ray
 
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David Taylor
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      07-14-2003, 06:48 AM
> or laptop. Can I connect one 900AP+ as an access point to LAN A and another 900AP+ in
> client mode to a switch on LAN B? Will this work? If not, any other solutions?


That will work.
 
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Rob
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      07-14-2003, 10:53 PM
> That will work.
Yes I would agree with David

What hardware and firmware are you using?
What speeds are you getting (use Qcheck in "throughput" on "tcpip").
http://www.netiq.com/qcheck/default.asp

I only ask as I have been doing long range testing with a one 900AP+ with B1
hardware and and one with C1 hardware, and the best I can get even next to
each other is 6.9mbps and they should be I reckon around 15-18 mbps.
So far using 19dbm parabolics I have managed just over 1 mile but I should
be able to get near 5 miles.

I have returned the B1 hardware to ebuyer in exchange for C1 hardware.

Cheers

Rob


 
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      07-15-2003, 04:37 PM
Have not bought the APs yet, wanted to make sure that it was possible first. I am
strongly looking at the 900AP+ units although also considering the 2000AP as well. I like
the 256 WEP of the 900AP+ units versus the 128 WEP of the 2000AP, plus with the 4X
firmware for the 900AP+ there is not much speed difference between them (using D-Link only
stuff). Has anybody gotten those 4X speeds with 2 900AP+ units? Is there much difference
in the 900AP+ units Rev A/B/C? I can see from the support web page that the Rev A/B use
an Arm 7 whereas the Rev C uses an Arm 9. I guess from what you are saying, I should be
looking to buy 2 of the same revision and preferably the C rev if I can get them.
Correct?

"Rob" <(E-Mail Removed)> wrote in message
news:gxGQa.1776$(E-Mail Removed)...
> > That will work.

> Yes I would agree with David
>
> What hardware and firmware are you using?
> What speeds are you getting (use Qcheck in "throughput" on "tcpip").
> http://www.netiq.com/qcheck/default.asp
>
> I only ask as I have been doing long range testing with a one 900AP+ with B1
> hardware and and one with C1 hardware, and the best I can get even next to
> each other is 6.9mbps and they should be I reckon around 15-18 mbps.
> So far using 19dbm parabolics I have managed just over 1 mile but I should
> be able to get near 5 miles.
>
> I have returned the B1 hardware to ebuyer in exchange for C1 hardware.
>
> Cheers
>
> Rob
>
>



 
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TC
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      07-15-2003, 08:02 PM
"Press Ctrl-Alt-Del Now" <(E-Mail Removed)> wrote in
news:z5WQa.246081$(E-Mail Removed):

> Have not bought the APs yet, wanted to make sure that it was possible
> first. I am strongly looking at the 900AP+ units although also
> considering the 2000AP as well.
> snip
> Has anybody gotten those 4X speeds with 2 900AP+ units? Is there much
> difference in the 900AP+ units Rev A/B/C?
> snip
> "Rob" <(E-Mail Removed)> wrote in message
> news:gxGQa.1776$(E-Mail Removed)...
>> > That will work.

>> Yes I would agree with David
>>
>> What hardware and firmware are you using?
>> What speeds are you getting (use Qcheck in "throughput" on "tcpip").
>> http://www.netiq.com/qcheck/default.asp
>>
>> I only ask as I have been doing long range testing with a one 900AP+
>> with B1 hardware and and one with C1 hardware, and the best I can get
>> even next to each other is 6.9mbps and they should be I reckon around
>> 15-18 mbps. So far using 19dbm parabolics I have managed just over 1
>> mile but I should be able to get near 5 miles.
>>
>> I have returned the B1 hardware to ebuyer in exchange for C1
>> hardware.
>>
>> Cheers
>>
>> Rob
>>

/\/\/\/\
I have not tried 900AP+ to 900AP+ but I have measured throughput from a
900AP+ Rev B to a DWL520+ PCI card.

In another room (approx 45ft .. through about four sheetrock
walls of a stucco house) I unplugged a Dell 4500S from the wired network
and installed a DWL520+ PCI card.

Initially ... with the antennas pointing straight up on both the AP and
the PC I was getting a 100% quality and 73-76% strength reading using
the DLink site survey utility (provided w/ the 520+) and ....

I got 5.2mbps throughput w/ the 4X option turned off and 7.8mbps w/ it
on (using "performance test" freebee software from passmark.com to test
throughput to another Dell).

Later on (to play and wanting to see if I could get more) .. I took the
AP and set it on top of the computer on my desk (about 12 inches higher)
and ... at the 520+ end I tilted the little stub antenna out towards the
AP at approx a 45 degree angle (I just moved things around until I got
the best signal strength percentage reading using the DLink utility).

This moved the signal strength up to a slowly alternating 89-91%
(whoooooooooooo .. 5 green bars all the time !!).

I ran the test again and got 5.8mbps w/ the 4X off and 9.3mbps
with it on.

Anyhow ... a few days later I got the urge to play again .. and found
that with both antennas (the 520+ and the AP) turned horizontal
(parallel with the floor .. (which is concrete w/ no basement) I pull a
unwavering 93% all the time.

Just for comparison and as a sanity check .. I sat the AP back on top of
the router with the antenna straight up .. and went back to the PC with
the 520+ to see what I could do moving it's antenna around in all
directions and could get 78-80% but no better.

I was finally satisfied that the horizontal antenna orientation was
going to work the best for my particular situation and that is the way
it is today.

I think 4.8-5.0 mbps is pretty normal for regular 802.11b.
campbell
 
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Rob
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      07-16-2003, 07:27 PM
> operation. I suspect the receiver sensitivity is only about -68dB but
have
> not been able to find a figure in the manufacturer's specification. Might
> be better to buy a product which states its receiver sensitivity.


I think not, if you are using the latest C1 hardware have a look at this :

-80dBm@22Mbps
-84dBm@11Mbps
-87dBm@5.5Mbps
-90dBm@2Mbps
-92dBm@1Mbps

http://www.globalsuntech.com/solutio...rdsolution.htm

Love to know how they can get 18db power output, I think thats about 65mW
instead of the poultry 32mW.


Cheers

Rob


 
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Rob
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      07-16-2003, 09:42 PM
Ignore my last email about output power, the calculations were wrong.

My AP: Hardware C1 firmware 3.02

Just created a web page based on the adv_perform.html page and modified the
options dropdown for the transmit power + changed the submit to point to the
IP address of the AP.
I can change all the normal power settings. But if I change to new settings
it seems to jump to the next normal power setting up.
Probably ignores none standard power settings.

Also if you look at the hex dump for the AP manager:
100% 19dBm powerControl1
50% 16dBm powerControl2
25% 13dBm powerControl3
12.5% 10dBm powerControl4

Where the eng.ini language file contains:
powerControl1=100% 17dBm
powerControl2=50% 15dBm
powerControl3=25% 12dBm
powerControl4=12.5% 10dBm

So is there a hidden powerControl0 ?
Its tempting to play with the firmware file but an expensive lesson if I
screw it up. ;o(

So if I cannot get my 3 mile link its chainsaws at midnight to fell them
pesky poplar trees and farmer Joes chimney pot and anything else that
spoils my 3 mile view ;o)

Cheers

Rob


 
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