Chapter 26 IP Source Guard

 

 

 

 

Table 86 DHCP Snooping VLAN Configure (continued)

 

LABEL

DESCRIPTION

 

Apply

Click Apply to save your changes to the Switch’s run-time

 

 

memory. The Switch loses these changes if it is turned off or loses

 

 

power, so use the Save link on the top navigation panel to save

 

 

your changes to the non-volatile memory when you are done

 

 

configuring.

 

 

 

 

Cancel

Click this to reset the values in this screen to their last-saved

 

 

values.

 

 

 

26.6 ARP Inspection Status

Use this screen to look at the current list of MAC address filters that were created because the Switch identified an unauthorized ARP packet. When the Switch identifies an unauthorized ARP packet, it automatically creates a MAC address filter to block traffic from the source MAC address and source VLAN ID of the unauthorized ARP packet. To open this screen, click Advanced Application > IP Source Guard > ARP Inspection.

Figure 136 ARP Inspection Status

The following table describes the labels in this screen.

Table 87 ARP Inspection Status

LABEL

DESCRIPTION

Total number of filters

This field displays the current number of MAC address filters that

 

were created because the Switch identified unauthorized ARP

 

packets.

 

 

Index

This field displays a sequential number for each MAC address

 

filter.

 

 

Mac Address

This field displays the source MAC address in the MAC address

 

filter.

 

 

VID

This field displays the source VLAN ID in the MAC address filter.

 

 

Port

This field displays the source port of the discarded ARP packet.

 

 

Expiry (sec)

This field displays how long (in seconds) the MAC address filter

 

remains in the Switch. You can also delete the record manually

 

(Delete).

 

 

MGS3700-12C User’s Guide

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ZyXEL Communications metrogigabit switch manual ARP Inspection Status, 285, Delete
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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.

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.
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