ubiquiti devises with DD-WRT

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sarvani
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Joined: 28 Oct 2008
Posts: 24

PostPosted: Tue Oct 28, 2008 2:14    Post subject: ubiquiti devises with DD-WRT Reply with quote
Hi every one,

We are familiar with UBIQUITI devises for the last 2years and they are working fine with default Air OS.

We want to change to DD-WRT for additional benefits available in this OS.

Can any one please answer the following:


...Does it support 40Mhz.channelwidth for 2.4Ghz units like LS2, PS2 and NS2 etc.

...What way the throughput shall be better in this when compared to AIr OS??

...Any idea about the channel mapping for XR3 card??

...Can XR2 cards assure of delivering full 600 mW RF power?

So many similar questions and where to get correct answers??

Thanks & regards

AMarendra
SARVANI TELECOM
HYDERABAD INDIA
Sponsor
BrainSlayer
Site Admin


Joined: 06 Jun 2006
Posts: 7492
Location: Dresden, Germany

PostPosted: Tue Oct 28, 2008 8:54    Post subject: Reply with quote
at the moment we do not support 40 mhz turbo (or just somewhat limited) for 2.4 ghz. we do only support it fully for 5 ghz devices

without comparing we reached 32 mbit in 5 ghz (20 mhz, 50 mbit with 40 mhz)
and 28 - 29 mbit with 2.4 ghz devices. the 40 mhz throughput in 5 ghz is capped by the low cpu speed. with XR5 cards and avila gateworks boards we are getting 65 mbit tcp throuput

the various channel mappings for XR3, XR9 etc are all supported by dd-wrt devices. so you can select the target channel without recalculating the offset.

the same for the output power. the full output power is available and the power offset is detected by dd-wrt. so you will always see the correct power info on the gui

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sarvani
DD-WRT Novice


Joined: 28 Oct 2008
Posts: 24

PostPosted: Tue Oct 28, 2008 12:32    Post subject: UBIQUITI devices- DD-WRT Reply with quote
Hello ,

Thanks for the reply.

We are using LS2 boards on regular basis on 2.4Ghz band. As you rightly said the thruput is capped because of the processor speeds. I do agree.

That's why now we are planning for XR2 and XR5 cards, into ADI SBC250 boards. We already placed our order for SBC 250 and expecting them shortly . Please give me your comments on this combination.

Advise me how to delete the default level2 ANTkOR OS in the SBC250 cards and load DD-WRT.

What are the better features available in DD-WRT compared to ANTKOR??



Thanks

Amarendra
hebeda
DD-WRT User


Joined: 18 Sep 2006
Posts: 462
Location: Leipzig, Germany

PostPosted: Tue Oct 28, 2008 20:06    Post subject: Reply with quote
the nanostation2 is 54mbps only ....
Sash
DD-WRT Guru


Joined: 20 Sep 2006
Posts: 17619
Location: Hesse/Germany

PostPosted: Tue Oct 28, 2008 21:48    Post subject: Reply with quote
BrainSlayer wrote:

without comparing we reached 32 mbit in 5 ghz (20 mhz, 50 mbit with 40 mhz)
and 28 - 29 mbit with 2.4 ghz devices. the 40 mhz throughput in 5 ghz is capped by the low cpu speed. with XR5 cards and avila gateworks boards we are getting 65 mbit tcp throuput


there is a chance to overclock the cpu which would lead to higher throughput but with maybe instability in high temperature environments.

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sarvani
DD-WRT Novice


Joined: 28 Oct 2008
Posts: 24

PostPosted: Wed Oct 29, 2008 3:36    Post subject: DD-WRT for Ubiquiti devices Reply with quote
Hello,

Any reply on my question.

Our ADI SBC250 cards are coming with IKARUS Level2 OS preloaded.

How can I delete it and load DD-WRT??

What are the main benefits / advantages with DD-WRT over IKARUS OS??

Any one having a practical experience can please advise me.


Thanks

Amarendra
SARVANI TELECOM
HYDRABAD INDIA
Sash
DD-WRT Guru


Joined: 20 Sep 2006
Posts: 17619
Location: Hesse/Germany

PostPosted: Wed Oct 29, 2008 12:15    Post subject: Re: DD-WRT for Ubiquiti devices Reply with quote
sarvani wrote:

What are the main benefits / advantages with DD-WRT over IKARUS OS??


www.dd-wrt.com/demo

sarvani wrote:

Our ADI SBC250 cards are coming with IKARUS Level2 OS preloaded.

How can I delete it and load DD-WRT??


as u can see here this board is not officialy supported bay ddwrt right now
http://dd-wrt.com/wiki/index.php/Supported_Devices#ADI_Engineering

but its similar to the sbc-metro so it should be no problem to add supportd i think.
but thats up to brainslayer. but im sure he will need a board for the port

btw there are many powerfull IXP or x86 boards already supporeted by ddwrt

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Last edited by Sash on Wed Oct 29, 2008 19:27; edited 1 time in total
Sash
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PostPosted: Wed Oct 29, 2008 12:25    Post subject: Re: DD-WRT for Ubiquiti devices Reply with quote
..
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Last edited by Sash on Wed Oct 29, 2008 19:28; edited 1 time in total
BrainSlayer
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Joined: 06 Jun 2006
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Location: Dresden, Germany

PostPosted: Wed Oct 29, 2008 12:46    Post subject: Reply with quote
there are many benefits over ikaros. first benefit, its "stable" (i just heard that ikaros has a alot of stability problems. its not my own impression)
and you have alot of more features inside the firmware. whatever you do with ikaros. everything is possible with dd-wrt, but more

okay now to the sbc 250. i never got this board, so i was not able to test it. if there is redboot on it, you may try to install the pronghorn firmware. it might work. the installations instructions should be the same. do not forget to unlock the flash space by fis unlock before flashing

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sarvani
DD-WRT Novice


Joined: 28 Oct 2008
Posts: 24

PostPosted: Thu Oct 30, 2008 5:14    Post subject: UBIQUITI devises Reply with quote
Brainslayer,

I got an evaluation key from DD-WRT for my LS2 board.

It is showing AUTO in channel change mode. How do we select the required frequency / channel??

We put the TURBO MODE ON. My question is how much throughput difference will be there in 54Mbits mode and 108 Mbits mode for the same signal strength and RF power output??

Regards

Amarendra
Sash
DD-WRT Guru


Joined: 20 Sep 2006
Posts: 17619
Location: Hesse/Germany

PostPosted: Thu Oct 30, 2008 9:34    Post subject: Re: UBIQUITI devises Reply with quote
sarvani wrote:
Brainslayer,
I got an evaluation key from DD-WRT for my LS2 board.

from v24sp2 on ther is a 24h trial function in ddwrt
Quote:

It is showing AUTO in channel change mode. How do we select the required frequency / channel??

basic>wireless settings>w channel
Quote:

We put the TURBO MODE ON. My question is how much throughput difference will be there in 54Mbits mode and 108 Mbits mode for the same signal strength and RF power output??

there is no support for turbo mode in b/g right now. only in a/h mode. so there will be no speed improvement right now.

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