Introduction to SPMA for the SEHI-22/24 and SEHI-32/34

What’s NOT in the SEHI User’s Guide . . .

The following standard SPMA tools are available through the SEHI module and are explained in the SPECTRUM Portable Management Application Tools Guide:

•Charts, Graphs and Meters

•MAC Address Locator

•Community Names

•MIB I, II

•MIBTree

•TFTP Download

•Trap Table

The Charts, Graphs and Meters application is accessible from the Hub View and the command line; the MAC Address Locator application is accessible from the platform console window Tools menu; the rest of the tool applications are available only from the icon menu or the command line.

Instructions on discovering Cabletron devices, creating icons, and accessing the icon menus within your management platform are included in your Installing and Using SPECTRUM for... guide. If you are using SPMA for the SEHI in stand- alone mode — that is, without benefit of a specific network management system

—instructions for starting each application from the command line are included in each chapter, both in this guide and in the SPMA Tools Guide.

Conventions

The family of SPECTRUM Portable Management Applications can work with a number of different network management systems running on several different operating systems and graphical user interfaces. This versatility presents two documentation problems: first, there is no standard terminology; and second, the appearance of the windows will differ based on the graphical interface in use. For the sake of consistency, the following conventions will be followed throughout this and other SPMA guides.

Screen Displays

SPMA runs under a variety of different operating systems and graphical user interfaces. To maintain a consistent presentation, screen displays in this and other SPMA guides show an OSF/Motif environment. If you’re used to a different GUI, don’t worry; the differences are minor. Buttons, boxes, borders, and menus displayed on your screen may look a bit different from what you see in the guide, but they’re organized and labelled the same, located in the same places, and perform the same functions in all screen environments.

Conventions

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Cabletron Systems SEHI-22/24, SEHI-32/34 manual Conventions, What’s not in the Sehi User’s Guide, Screen Displays
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SEHI-22/24, SEHI-32/34 specifications

Cabletron Systems was a notable player in the networking hardware market during the rise of local area networks (LANs) in the late 20th century. Among its innovative products were the SEHI-22/24 and SEHI-32/34 modules, which were designed to enhance network capabilities in enterprise environments.

The SEHI-22/24 and SEHI-32/34 were versatile high-performance Ethernet switch modules that offered significant advantages in network management and connectivity. These modules were designed to work with Cabletron's modular switching and routing architecture, allowing for scalable solutions tailored to specific network demands. A key feature of the SEHI series was its support for a range of Ethernet standards, ensuring compatibility with diverse networking environments.

One notable characteristic of the SEHI-22/24 was its ability to support both 10Base-T and 100Base-TX Ethernet technologies. This dual support enabled organizations to leverage existing 10 Mbps infrastructure while facilitating upgrades to 100 Mbps speeds without needing a complete overhaul of the network. Similarly, the SEHI-32/34 offered even greater connectivity options, accommodating more users and devices while maintaining high throughput and low latency.

In terms of management features, the SEHI series was equipped with extensive traffic management capabilities, including Quality of Service (QoS) features that prioritized bandwidth for critical applications. This ensured that essential services such as voice over IP (VoIP) and video conferencing could function optimally, even during heavy network loads.

Furthermore, both modules featured advanced diagnostics and monitoring tools that provided network administrators with critical insights into traffic patterns and potential bottlenecks. This functionality was essential for maintaining network health and optimizing performance, especially in dynamic business environments.

Security also played a crucial role in the design of the SEHI-22/24 and SEHI-32/34. The modules incorporated support for various authentication methods and access controls, ensuring that sensitive data remained protected within the corporate network.

In summary, Cabletron Systems’ SEHI-22/24 and SEHI-32/34 offered significant advancements in Ethernet switching technology, allowing organizations to build robust, scalable, and secure networks. With their impressive features, compatibility, and capacity for management and security, these modules were instrumental in shaping reliable networking solutions for enterprises navigating the rapidly evolving digital landscape.
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