Limit guest vlan bandwidth

Recently one of my colleagues asked me if it is possible to limit the bandwidth of a guest wlan. First of all, I’m not a wireless specialist and their are more possible solutions to this question. My colleague who is a wireless specialist told me it is also possible to configure QOS in the wireless controller. But my solution is to limit the vlan interface that is connected to the wlan. This can be achieved by using a class-map and a policy map. The configuration is described below:

<em>!
access-list <nr> permit <ip-address>
!
class-map <name>
match access-group <nr>
!
!
policy-map <name>
class <name>
!
police <max bandwidth> conform-action transmit exceed-action drop
!
interface vlan <nr>
service-policy output <name>
!
end
!
wr</em>

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