Class-Selector PHB: It specifies that the DSCP mark is XXX000 where X can be 0 or 1. The
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class of service of Class-Selector PHB is the same as that of IP Precedence used in the
current internet. When the XXX are all 0, it is the default PHB.
Assured Forwarding PHB: RFC2597. It is applicable to video service, VPN service, and so on.
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AF PHB has four service classes which require the corresponding bandwidths and caches.
Each service class has three packet-loss priorities.
Packet-loss Priority
AF1
Low (1)
001010
Medium (2)
001100
High (3)
001110
If Enable QoS checkbox is not selected, the QoS Queue and QoS Classification are not available.
The default DSCP mark is used to mark all egress packets that do not match any classification rules.
4.10.1
QoS queue
The QoS queue part includes QoS configuration and WLAN queue.
4.10.1.1
QoS configuration
Overview
ATM interface
AF2
AF3
010010
011010
010100
011100
010110
011110
125
AF4
100010
100100
100110