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Cisco Cisco Aironet 350 Mini-PCI Wireless LAN Client Adapter Guia Do Desenho

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5-21
Enterprise Mobility 4.1 Design Guide
OL-14435-01
Chapter 5      Cisco Unified Wireless QoS
  QoS Advanced Features for WLAN Infrastructure
Figure 5-21
Voice Statistics from WCS
Note
Call admission control is performed only for voice and video QoS profiles.
Impact of TSpec Admission Control
The purpose of TSpec admission control is not to deny clients access to the WLAN; it is to protect the 
high priority resources. Therefore, a client that has not used TSpec admission control does not have its 
traffic blocked; it simply has its traffic re-classified if it tries to send (which it should not do if the client 
is transmitting WMM-compliant traffic in a protected AC). 
 and 
 describe the impact on classification if access control is enabled and depending 
on whether a traffic stream has been established.
6
5
4
Number of Calls
3
2
1
0
5/29/07
8:30 PM
5/29/07
8:40 PM
Total Calls
Time
Total Voice Calls for 802.11a/n Interface of AP AP0012.d92b.5cc2
5/29/07
8:50 PM
5/29/07
9:00 PM
Total Roaming Calls
221947
Table 5-5
Upstream Traffic
Traffic Stream Established
No Traffic Stream
No admission control
No change in behavior; the packets 
go into the network as they do today- 
UP is limited to max= WLAN QoS 
setting.
No change in behavior; the packets 
go into the network as they do today- 
UP is limited to max= WLAN QoS 
setting.
Admission control
No change in behavior; the packets 
go into the network as they do today- 
UP is limited to max= WLAN QoS 
setting.
Packets are remarked to BE (both 
CoS and DSCP) before they enter the 
network for WMM clients. For 
non-WMM clients, packets are sent 
with WLAN QoS.