QoS for wireless clients

[TGF_Cisco]

hi

We would like to give more priority for laptops vs mobile phones/tablets in our corporate SSID. Today all of them connect to same SSID.

What would be the recommended way to carry this out?

1. We mark packets coming from laptops using a COS value

2. This COS /DSCP value need to be trusted on our switches

3. Controller assigns dedicated bandwidth to the laptops

4. All other devices get lesser bandwidth                  

the general idea is to make a distinction in terms of bandwidth available to clients .. Currently we plan to install 2600 AP's in our environment to cater to about 2000 equipment .. we have a tight budget in terms of number of antennas we can buy. So we plan to install around 32 antennas for supporting 2000 equipment and hence the need for prioritisation

[Scott Fella]

Well you can mark the packets on the laptops to a higher COS level, that would work since the WLC will not mark a packet higher than what the 802.1p tag.  The thing is what your trying to accomplish is a way to just give laptops more bandwidth that any other device, using one ssid.  The issue I see is that all devices have to be able to use the encryption and authentication method for that one ssid.  Also you can still oversubscribe an access point and even traffic for the laptops could affect each other.  As long as the non-laptops don't also mark their traffic up, I think you would be able to set the traffic in the appropriate queues.

Thanks,

Scott

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