Chapter 21 Policy Rule

Table 57 Advanced Application > Policy Rule (continued)

LABEL

DESCRIPTION

Classifier(s)

This field displays the active classifier(s) you configure in the Classifier

 

screen.

 

Select the classifier(s) to which this policy rule applies. To select more

 

than one classifier, press [SHIFT] and select the choices at the same time.

 

 

Parameters

 

Set the fields below for this policy. You only have to set the field(s) that is related to the action(s) you configure in the Action field.

General

 

 

 

Egress

Type the number of an outgoing port.

Port

 

 

 

Priority

Specify a priority level.

 

 

DSCP

Specify a DSCP (DiffServ Code Point) number between 0 and 63.

 

 

TOS

Specify the type of service (TOS) priority level.

 

 

Metering

You can configure the desired bandwidth available to a traffic flow. Traffic

 

that exceeds the maximum bandwidth allocated (in cases where the

 

network is congested) is called out-of-profile traffic.

 

 

Bandwidth

Specify the bandwidth in kilobit per second (Kbps). Enter a number

 

between 1 and 1000000.

 

 

Out-of-

Specify a new DSCP number (between 0 and 63) if you want to replace or

Profile

remark the DSCP number for out-of-profile traffic.

DSCP

 

Action

 

Specify the action(s) the Switch takes on the associated classified traffic flow.

Forwarding

Select No change to forward the packets.

 

Select Discard the packet to drop the packets.

 

Select Do not drop the matching frame previously marked for

 

dropping to retain the frames that were marked to be dropped before.

 

 

Priority

Select No change to keep the priority setting of the frames.

 

Select Set the packet’s 802.1 priority to replace the packet’s 802.1

 

priority field with the value you set in the Priority field.

 

Select Send the packet to priority queue to put the packets in the

 

designated queue.

 

Select Replace the 802.1 priority field with the IP TOS value to

 

replace the packet’s 802.1 priority field with the value you set in the TOS

 

field.

 

 

Diffserv

Select No change to keep the TOS and/or DSCP fields in the packets.

 

Select Set the packet’s TOS field to set the TOS field with the value you

 

configure in the TOS field.

 

Select Replace the IP TOS with the 802.1 priority value to replace

 

the TOS field with the value you configure in the Priority field.

 

Select Set the Diffserv Codepoint field in the frame to set the DSCP

 

field with the value you configure in the DSCP field.

 

 

222

MGS3700-12C User’s Guide

Page 222
Image 222
ZyXEL Communications metrogigabit switch manual 222, Tos, Select Do not drop the matching frame previously marked for

metrogigabit switch specifications

ZyXEL Communications has long been a prominent player in the networking hardware industry, providing innovative solutions that cater to both business and consumer markets. Among their notable offerings is the Metrogigabit switch, a device designed to meet the high demands of modern networks.

The ZyXEL Metrogigabit switch is primarily aimed at service providers and large enterprises, recognizing the need for seamless connectivity in an increasingly digital world. This switch is engineered for scalability, enabling users to effortlessly expand their network as their operational needs grow. With support for high bandwidth, it is particularly suited for environments requiring extensive data traffic management, such as data centers and campus networks.

One of the standout features of the Metrogigabit switch is its high-density gigabit Ethernet ports, which provide a backbone for reliable data transmission. The switch typically supports multiple 10G SFP+ uplinks, ensuring fast and efficient connections to upstream devices. This capability allows users to configure their networks to handle large volumes of data quickly and without interruption.

In terms of technology, the Metrogigabit switch leverages advanced Layer 2 and Layer 3 functionalities. This includes features such as VLAN support for traffic segmentation, Quality of Service (QoS) for prioritizing mission-critical applications, and robust multicast management. These capabilities contribute to enhanced network efficiency and performance.

Another characteristic that sets the ZyXEL Metrogigabit switch apart is its built-in security features. The device is designed to protect network integrity through mechanisms like port security, access control lists, and advanced authentication protocols. This focus on security helps prepare businesses to counteract potential threats in a landscape where cyber attacks are increasingly sophisticated.

Moreover, the switch is equipped with a user-friendly management interface, which simplifies the process of monitoring and configuring network settings. This is complemented by support for SNMP and RMON, allowing network administrators to leverage tools for effective performance monitoring.

In summary, the ZyXEL Metrogigabit switch is an essential tool for organizations seeking robust performance, reliability, and security in their networking infrastructure. With its high-density ports, flexible configuration options, and comprehensive management features, it provides a strong foundation for building efficient and scalable networks. Whether for service providers or enterprises, this switch stands out as a reliable choice in the fast-evolving technological landscape.