ZyXEL P-660HN-51 User Guide - Page 176
QoS Technical Reference
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Chapter 14 Quality of Service (QoS) The following table describes the labels in this screen. Table 59 Advanced Setup > QoS > QoS Settings Summary LABEL DESCRIPTION Rules # This is the rule's index number. Active This shows whether the rule is enabled or disabled. Physical Ports This is the physical port associated with the rule. Destination MAC This is the port range for destination MAC address and IP address. and IP/Mask Port Ranges Source MAC and This is the port range for source MAC address and IP address. IP/Mask Port Ranges Protocol ID This is the protocol ID associated with the rule. VLAN ID This is the VLAN ID associated with the rule. IPP/TOS (DSCP) This shows the IPP/TOS or DSCP settings. 802.1p This is the 802.1p priority level. Actions IPP/TOS (DSCP) The ZyXEL Device re-assigns the priority values specified in this field Remarking to matched traffic. 802.1p Remarking The ZyXEL Device re-assigns the priority levels specified in this field to matched traffic. Queue # The ZyXEL Device assigns the queue level specified in this field to matched traffic. 14.3 QoS Technical Reference This section provides some technical background information about the topics covered in this chapter. 14.3.1 IEEE 802.1p IEEE 802.1p specifies the user priority field and defines up to eight separate traffic types. The following table describes the traffic types defined in the IEEE 802.1d standard (which incorporates the 802.1p). Table 60 IEEE 802.1p Priority Level and Traffic Type PRIORITY LEVEL TRAFFIC TYPE Level 7 Typically used for network control traffic such as router configuration messages. Level 6 Typically used for voice traffic that is especially sensitive to jitter (jitter is the variations in delay). 176 P-660HN-TxA User's Guide