Cisco 3750G - Catalyst Integrated Wireless LAN Controller User Manual

33-28
Catalyst 3750 Switch Software Configuration Guide
OL-8550-02
Chapter 33 Configuring QoS
Configuring Auto-QoS
Auto-QoS Configuration Example
This section describes how you could implement auto-QoS in a network, as shown in Figure 33-11. For
optimum QoS performance, enable auto-QoS on all the devices in the network.
Figure 33-11 Auto-QoS Configuration Example Network
Figure 33-11 shows a network in which the VoIP traffic is prioritized over all other traffic. Auto-QoS is
enabled on the switches in the wiring closets at the edge of the QoS domain.
101234
Cisco router
To Internet
Trunk
link
Trunk
link
Cisco IP phones
End stations
Cisco IP phones
Video server
172.20.10.16
IP
IP
IP
IP
Identify this interface
as connected to a
trusted switch or router
Identify this interface
as connected to a
trusted switch or router
Identify these
interfaces as
connected to
IP phones
Identify these
interfaces as
connected to
IP phones

Cisco 3750G - Catalyst Integrated Wireless LAN Controller Specifications

General

Switching Capacity	32 Gbps
RAM	128 MB
Flash Memory	32 MB
Power Device	Internal power supply
Ports	48 x 10/100/1000 + 4 x SFP
Performance	38.7 Mpps
Wireless LAN Controller Capacity	50
Stacking	Yes
Features	VLAN support, QoS
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z
Operating Humidity	10% to 85% non-condensing
Power over Ethernet (PoE)	Yes (optional)