01-30-2014 04:13 AM - edited 07-05-2021 12:04 AM
Hi All,
Can someone tell me the maximum number of users you can have per AP for the following models:
1602i
2602i
3602i
3702i
Let's assume they are running data only and guest access.
Thanks,
Amar
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01-30-2014 04:17 AM
HI Amar,
Not an easy question to answer. The following factors affect the distribution of your wireless signal:
1. AP model type;
2. Signal strength;
3. Channel assignments;
4. Height of the AP deployed;
5. Size and shape of the room deployed;
Depends on the above situation.
Cisco recommends no more than 25 clients per WAP. But this value is subject to "debate" in regards to the type of traffic involved.
If, for instance, the type of traffic is mostly (sporadic) emails, web browsing, etc ... then the value can go up to 35 clients per WAP. However, if the type of traffic is video then the value is around 8 to 10 clients per WAP.
Reagrds
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01-30-2014 04:17 AM
HI Amar,
Not an easy question to answer. The following factors affect the distribution of your wireless signal:
1. AP model type;
2. Signal strength;
3. Channel assignments;
4. Height of the AP deployed;
5. Size and shape of the room deployed;
Depends on the above situation.
Cisco recommends no more than 25 clients per WAP. But this value is subject to "debate" in regards to the type of traffic involved.
If, for instance, the type of traffic is mostly (sporadic) emails, web browsing, etc ... then the value can go up to 35 clients per WAP. However, if the type of traffic is video then the value is around 8 to 10 clients per WAP.
Reagrds
Dont forget to arte helpful posts
01-30-2014 04:33 AM
Hi Sandeep,
Thank you for the reponse, I agree isn't an easy quesiton to answer as there are so many factors to think about.
I'm just thinking on the lines of an standard office environment with 3 meter celing height, multiple channels.
But like you said its a bit tricky to get a definate answer.
Much Appreciated,
Amar
01-30-2014 04:37 AM
HI Amar,
Normally Rule of thumb is 25 clients per AP as per our experiences.but it depends upon what kind of traffic you are expecting.
***
If you are doing nothing but simple HTML, emails, chat, then this figure can go up to 35. You want to do HD video then think about going down to 8 clients per AP. ***
As per cisco Document: The New Generation of Cisco Aironet Access'
which says that the newer APs can handle up to 200 max clients per radio? but i think this is there product selling trick.
I think if cisco is sayig for 200 clients means some kind of scanner they are talking.
Regards
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01-30-2014 04:39 AM
There is post by Kumnal, he explained:
https://supportforums.cisco.com/thread/2240562
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Let me help you to make things easier for you. Lets start with 1600. As per datasheet it support 300 Mbps/radio.
Now we know wireless work on half duplex . 300/2 = 150Mbps. Wifi uses CSMA/CA so 150 Mbps will be shared by all client connect to AP either one of radio. Let to be safe assume it is 5Ghz band radio.
Now let discuss average bandwidth contract for different service.
Full HD video - 5 Mbps
Regular Video - 2.5 Mbps
Data (email/web surfing/etc) 1Mbps
Handheld scanner - 10-15 Kbps
Voice - 12-16 Client per AP at max recomended is 8 client
With available 150 Mbps theoratically with simultaneous access we can have 150/5 = 30 users per AP. Remember when we plan number of client we always consider best experience for support services. Example Voice/HD Video/Regular Video .
Similarly if we have regular video requirement then 150/2.5 = 60 users . At the same time you also have to remember external factors which may downgrade available bandwidth contract per user.
When Cisco document says 200 user at max they may be referring to handheld scanner type of user where at any moment per user bandwidth requirement is limited to Kbps.
This is rule of thumb and applicable to any vendor Access Point. ie You need to consider couple of things before you commit any bandwidth availablity to end your user.
- Service type (Voice/HD Video/Regular video/Data/Scanner)
- Radio band (2.4/5Ghz)
- Floor Noise
- Channel utilization
- User density /Behaviour
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Regards
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