Chapter 25 AAA

25.2.4 Vendor Specific Attribute

RFC 2865 standard specifies a method for sending vendor-specific information between a RADIUS server and a network access device (for example, the Switch). A company can create Vendor Specific Attributes (VSAs) to expand the functionality of a RADIUS server.

The Switch supports VSAs that allow you to perform the following actions based on user authentication:

•Limit bandwidth on incoming or outgoing traffic for the port the user connects to.

•Assign account privilege levels (See the CLI Reference Guide for more information on account privilege levels) for the authenticated user.

The VSAs are composed of the following:

•Vendor-ID: An identification number assigned to the company by the IANA (Internet Assigned Numbers Authority). ZyXEL’s vendor ID is 890.

•Vendor-Type: A vendor specified attribute, identifying the setting you want to modify.

•Vendor-data: A value you want to assign to the setting.

Note: Refer to the documentation that comes with your RADIUS server on how to configure VSAs for users authenticating via the RADIUS server.

The following table describes the VSAs supported on the Switch.

Table 76 Supported VSAs

FUNCTION

ATTRIBUTE

 

 

Ingress Bandwidth

Vendor-Id = 890

Assignment

Vendor-Type = 1

 

Vendor-data = ingress rate (Kbps in decimal format)

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ZyXEL Communications metrogigabit switch manual Vendor Specific Attribute, 264, Supported VSAs, Function Attribute
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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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