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3 qos technical reference, 1 ieee 802.1p – ZyXEL Communications P-660HN-TxA User Manual

Page 176

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Chapter 14 Quality of Service (QoS)

P-660HN-TxA User’s Guide

176

The following table describes the labels in this screen.

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 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

and IP/Mask

Port Ranges

This is the port range for destination MAC address and IP address.

Source MAC and

IP/Mask Port

Ranges

This is the port range for source MAC address and IP address.

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)

Remarking

The ZyXEL Device re-assigns the priority values specified in this field
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.

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).