Chapter 26 IP Source Guard

ARP packets on each untrusted port. To open this screen, click Advanced Application > IP Source Guard > ARP Inspection > Configure > Port.

Figure 140 ARP Inspection Port Configure

The following table describes the labels in this screen.

Table 91 ARP Inspection Port Configure

LABEL

DESCRIPTION

Port

This field displays the port number. If you configure the * port,

 

the settings are applied to all of the ports.

 

 

Trusted State

Select whether this port is a trusted port (Trusted) or an

 

untrusted port (Untrusted).

 

The Switch does not discard ARP packets on trusted ports for any

 

reason.

 

The Switch discards ARP packets on untrusted ports in the

 

following situations:

 

• The sender’s information in the ARP packet does not match

 

any of the current bindings.

 

• The rate at which ARP packets arrive is too high. You can

 

specify the maximum rate at which ARP packets can arrive on

 

untrusted ports.

 

 

Limit

These settings have no effect on trusted ports.

 

 

Rate (pps)

Specify the maximum rate (1-2048 packets per second) at which

 

the Switch receives ARP packets from each port. The Switch

 

discards any additional ARP packets. Enter 0 to disable this limit.

 

 

MGS3700-12C User’s Guide

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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.

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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.
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