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Beginner

802.11ac throughput

Dear All,

May I know how can the AIR-CAP3602I-A-K9 + AIR-RM3000AC-x-K9= provide the 1.3Gbps throughput?

I enabled the 80 MHz Channel Width from Wireless Controller already, my maximum connection speed still 875Mbps with my Lenovo Thinkpad X1 Carbon, the WLAN adaptor is Intel 7260-AC.

Equipment info:

WLC:

Cisco Wireless Controller 2504

Software Version: 7.6.120.0

AP:

AIR-CAP3602I-A-K9

Software Version: 7.6.120.0

 

Many Thanks!

1 ACCEPTED SOLUTION

Accepted Solutions
Beginner

Hi, I think the Intel 7260

Hi,

 

I think the Intel 7260 card is only 2 spatial streams so 876 is the maximum, you would need 3 steams to get the full 1.3.

View solution in original post

7 REPLIES 7
Hall of Fame Community Legend

Is your AP directly-connected

Is your AP directly-connected to the 3650 or 3850 switch?

Beginner

No, AP connected with 2960S

No, AP connected with 2960S (No POE), the power source is AIR-PWRINJ4= instead of POE switch.

Hall of Fame Community Legend

I think you'll find it

I think you'll find it difficult to push 1.3 Gbps worth of traffic down a 1 Gbps pipe.  

 

This is why Cisco's wireless solution for implementing 802.11ac, wave 1 is a very, very expensive solution.  This is because the solution requires that the 802.11ac, wave 1 APs are to be directly connected to the 3650/3850 switches and no other.  

Beginner

Hi, I think the Intel 7260

Hi,

 

I think the Intel 7260 card is only 2 spatial streams so 876 is the maximum, you would need 3 steams to get the full 1.3.

View solution in original post

Highlighted
Beginner

I agree with aprod.  You will

I agree with aprod.  You will never get more the 876Mbps connected data rate with that client.

http://www.intel.com/content/dam/www/public/us/en/documents/product-briefs/dual-band-wireless-ac-7260-bluetooth-brief.pdf

John

Hall of Fame Master

There are other adapters out

There are other adapters out there that are 3x3 in which I have tested also. It really depends on the driver to be honest. Even on a 3x3, the card connection speed shows the same as your and that is max I have ever seen. Now the actual througout is a different story.  What your connected at doesn't mean that your throughput is that great. Yeah it's better than 802.11n, but you really need a clean environment and you also have to be close enough to achieve the high rates of AC. Here is a list of AC products for reference:

https://wikidevi.com/wiki/List_of_802.11ac_Hardware

 

-Scott
*** Please rate helpful posts ***
Beginner

Hi,I checked with Intel

Hi,

I checked with Intel website, confirmed the reason with 876M (7260 2x2)

Many Thanks!

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