Chapter 4

Repeater Redundancy

Configuring and enabling redundant circuits; monitoring redundant circuits

Setting Network Circuit Redundancy

The redundancy application gives you the ability to deÞne redundant circuits for your SEHI100TX to ensure that critical network connections remain operational. Each circuit has a designated primary port and one or more backup ports. The SEHI100TX monitors the link status of the primary portÕs connection to one or more network IP addresses; if the link fails, the SEHI100TX automatically switches trafÞc to a backup port.

NOTE

Before you conÞgure redundancy, make sure that only the primary physical link is connected to the network. If a backup port is connected before you conÞgure and enable redundancy, you create a data loop.

To open the main Repeater Redundancy window:

from the icon:

1.Click on the appropriate device icon to display the icon menu.

2.Drag down to Redundancy and release.

from the Hub View:

1.Click on to display the Device menu.

2.Drag down to Redundancy and release.

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Cabletron Systems SEHI100TX-22 manual Repeater Redundancy, Setting Network Circuit Redundancy
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SEHI100TX-22 specifications

Cabletron Systems SEHI100TX-22 is a high-performance network interface card that has been designed for reliable data transfer in various networking environments. Ideal for both enterprise and small business applications, the SEHI100TX-22 delivers exceptional performance at a competitive price point.

One of the standout features of the SEHI100TX-22 is its support for 100Base-TX Ethernet standards, which enables high-speed data transmission at rates of up to 100 Mbps. This high throughput capacity makes it an excellent choice for organizations that require swift and efficient data handling, particularly in environments with heavy network traffic.

The card is equipped with two RJ-45 connectors, allowing it to support dual-port configurations. This dual-port setup enhances networking capabilities by enabling fault tolerance and load balancing, ensuring that the network remains operational even in the event of a failure. Moreover, it supports full-duplex operation, allowing for simultaneous bi-directional data transmission, further improving overall network efficiency and performance.

Another significant advantage of the SEHI100TX-22 is its compatibility with a wide range of operating systems and platforms, including Windows, Linux, and various UNIX variants. This versatility ensures that it can be seamlessly integrated into existing network infrastructures without the need for extensive configuration or modification.

In terms of installation and maintenance, the SEHI100TX-22 is user-friendly, thanks to its Plug and Play capability. This feature allows for easy installation; users can simply insert the card into an available PCI slot, and the operating system will automatically recognize and configure the device, minimizing downtime and simplifying the setup process.

Additionally, the SEHI100TX-22 incorporates advanced technologies like Auto-Negotiation, which automatically detects the speed and duplex capabilities of the connected device, thus optimizing the network performance. The card also features various onboard diagnostic LEDs, providing real-time feedback on connection status and data activity, which aids in troubleshooting and performance monitoring.

In summary, the Cabletron Systems SEHI100TX-22 offers a robust set of features that cater to the demands of modern network environments. With its high-speed capabilities, dual-port support, compatibility across multiple operating systems, and user-friendly installation process, it remains a solid choice for organizations looking to enhance their networking performance and reliability.
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