Chapter 6 Wireless Configuration
ZyXEL NWA-3500 User’s Guide
90
ATC assigns priority based on packet size, since time-sensitive applications such as Internet
telephony (Voice over IP or VoIP) tend to have smaller packet sizes than non-time sensitive
applications such as FTP (File Transfer Protocol). The following table shows some common
applications, their time sensitivity, and their typical data packet sizes. Note that the figures
given are merely examples - sizes may differ according to application and circumstances.
When ATC is activated, the device sends traffic with smaller packets before traffic with larger
packets if the network is congested.
ATC assigns priority to packets as shown in the following table.
You should activate ATC on the ZyXEL Device if your wireless network includes networking
devices that do not support WMM QoS, or if you want to prioritize traffic but do not want to
configure WMM QoS settings.
6.3.3 ATC+WMM
The ZyXEL Device can use a mapping mechanism to use both ATC and WMM QoS. The
ATC+WMM function prioritizes all packets transmitted onto the wireless network using
WMM QoS, and prioritizes all packets transmitted onto the wired network using ATC. See
Section 8.2.2 on page 123
for details of how to configure ATC+WMM.
Use the ATC+WMM function if you want to do the following:
• enable WMM QoS on your wireless network and automatically assign a WMM priority to
packets that do not already have one (see
Section 6.3.3.1 on page 90
).
• automatically prioritize all packets going from your wireless network to the wired network
(see
Section 6.3.3.2 on page 91
).
6.3.3.1 ATC+WMM from LAN to WLAN
ATC+WMM from LAN (the wired Local Area Network) to WLAN (the Wireless Local Area
Network) allows WMM prioritization of packets that do not already have WMM QoS
priorities assigned. The ZyXEL Device automatically classifies data packets using ATC and
then assigns WMM priorities based on that ATC classification.
Table 15
Typical Packet Sizes
APPLICATION
TIME
SENSITIVITY
TYPICAL PACKET SIZE
(BYTES)
Voice over IP (SIP)
High
< 250
Online Gaming
High
60 ~ 90
Web browsing (http)
Medium
300 ~ 600
FTP
Low
1500
Table 16
Automatic Traffic Classifier Priorities
PACKET SIZE (BYTES)
ATC PRIORITY
1 ~ 250
ATC_High
250 ~ 1100
ATC_Medium
1100 +
ATC_Low
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Страница 7: ...Safety Warnings ZyXEL NWA 3500 User s Guide 7 ...
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Страница 10: ...Contents Overview ZyXEL NWA 3500 User s Guide 10 ...
Страница 20: ...Table of Contents ZyXEL NWA 3500 User s Guide 20 ...
Страница 26: ...List of Figures ZyXEL NWA 3500 User s Guide 26 ...
Страница 30: ...List of Tables ZyXEL NWA 3500 User s Guide 30 ...
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Страница 42: ...Chapter 1 Introducing the ZyXEL Device ZyXEL NWA 3500 User s Guide 42 ...
Страница 50: ...Chapter 3 Status Screens ZyXEL NWA 3500 User s Guide 50 ...
Страница 78: ...Chapter 4 Tutorial ZyXEL NWA 3500 User s Guide 78 ...
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Страница 102: ...Chapter 6 Wireless Configuration ZyXEL NWA 3500 User s Guide 102 ...
Страница 118: ...Chapter 7 Wireless Security Configuration ZyXEL NWA 3500 User s Guide 118 ...
Страница 126: ...Chapter 8 MBSSID and SSID ZyXEL NWA 3500 User s Guide 126 ...
Страница 140: ...Chapter 10 IP Screen ZyXEL NWA 3500 User s Guide 140 ...
Страница 156: ...Chapter 12 Remote Management Screens ZyXEL NWA 3500 User s Guide 156 ...
Страница 180: ...Chapter 14 Certificates ZyXEL NWA 3500 User s Guide 180 ...
Страница 204: ...Chapter 16 VLAN ZyXEL NWA 3500 User s Guide 204 ...
Страница 214: ...Chapter 17 Maintenance ZyXEL NWA 3500 User s Guide 214 ...
Страница 216: ...216 ...
Страница 230: ...Chapter 22 System Password ZyXEL NWA 3500 User s Guide 230 ...
Страница 250: ...Chapter 25 System Maintenance and Information ZyXEL NWA 3500 User s Guide 250 ...
Страница 256: ...256 ...
Страница 260: ...Appendix B Power over Ethernet PoE Specifications ZyXEL NWA 3500 User s Guide 260 ...
Страница 262: ...Appendix C Power Adaptor Specifications ZyXEL NWA 3500 User s Guide 262 ...
Страница 274: ...Appendix D Setting up Your Computer s IP Address ZyXEL NWA 3500 User s Guide 274 ...
Страница 310: ...Appendix H Text File Based Auto Configuration ZyXEL NWA 3500 User s Guide 310 ...
Страница 314: ...Appendix I Legal Information ZyXEL NWA 3500 User s Guide 314 ...
Страница 324: ...Index ZyXEL NWA 3500 User s Guide 324 ...