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Cabletron Systems FRX4000 Algorithm, Systematic Redirect, Redirect Busy, Redirect Out-of-Order

Models: 1800 FRX4000 FRX6000

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Configuring the Subscriber Table

Algorithm

The algorithm Þeld allows you to select the means by which call requests are forwarded to one of several routing paths assigned to the named subscriber. You can select from among four options:

Round Robin

As its name implies, this algorithm selects ports

 

cyclically in numeric order (as conÞgured in the Routing

 

Table). If a selected port is unreachable or congested, call

 

requests are forwarded on to the next port in sequence.

Line Failed

The Alternate Route on Line Failure algorithm selects the

 

Þrst listed port that is not in a failed state. If the selected

 

port does not make the connection, the call request will

 

be cleared, even if other ports are available.

Line Busy

The Alternate Route on Line Busy algorithm selects the

 

Þrst port that is not busy. If that port has failed, the next

 

available port will be selected.

Least LCN

The Least LCN with Throughput algorithm selects the

 

line with the smallest load, calculated using the weight

 

(speed) and number of virtual circuits in use on that line.

 

(Weights are assigned to each line in proportion to their

 

throughput within the routing path.)

The alternate routes used by these algorithms are speciÞed in the Routing Table, described

TIP beginning on page 4-5; if you do not wish to use a routing algorithm, simply accept the default setting and enter only one routing path.

Systematic Redirect

The Systematic Redirect Þeld allows you to specify whether or not calls to the named subscriber will be automatically redirected to the Þrst alternate subscriber speciÞed in the Address Table (described beginning on page 4-6). If you select yes, the original subscriber is skipped and all calls designated for that subscriber will be redirected to the Þrst alternate address, regardless of the condition of either path. Any additional conÞgured alternate addresses are ignored.

Redirect Busy

If you enable the Redirect Busy option, calls to the named subscriber will be redirected to the alternates listed in the Address Table if the primary subscriber device is busy. Again, be sure youÕve conÞgured the alternate addresses in the Address Table.

Redirect Out-of-Order

The Redirect on Out-of-Order option allows you to specify that calls to the named subscriber device will be redirected to the alternate subscribers if the primary device is out of order.

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Configuring the Subscriber Table

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Cabletron Systems FRX4000, FRX6000, 1800 manual Algorithm, Systematic Redirect, Redirect Busy, Redirect Out-of-Order
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1800, FRX4000, FRX6000 specifications

Cabletron Systems, a leading player in network management and telecommunications solutions during the late 20th century, introduced several innovative products that played a crucial role in shaping enterprise networking. Among these were the Cabletron FRX6000, FRX4000, and the FRX1800, which delivered advanced features aimed at enhancing network performance, security, and scalability.

The Cabletron FRX6000 was designed as a robust multi-layer switch, ideal for large-scale enterprise environments. It supported extensive routing capabilities, allowing organizations to manage traffic efficiently even under heavy loads. The FRX6000 boasted high throughput rates and low latency, making it suitable for demanding applications. With support for various network protocols, including IP, IPX, and AppleTalk, its adaptability made it a versatile choice for diverse networking needs. Moreover, security features like VLAN support and Access Control Lists (ACLs) provided enhanced protection against potential threats.

Moving to the FRX4000, this model offered a balance between performance and cost-effectiveness. The FRX4000 maintained many of the essential features of its larger counterpart while catering to medium-sized enterprises. It provided Layer 3 routing and could handle multiple simultaneous connections, ensuring seamless communication across departments. The modular design allowed for easy upgrades, enabling businesses to expand their network infrastructure without significant overhauls. This made the FRX4000 an attractive option for organizations looking to optimize their network investments.

Lastly, the FRX1800, designed for small to medium businesses, focused on simplicity and ease of use while still incorporating powerful network management capabilities. Its user-friendly interface made it accessible for organizations lacking extensive IT resources. The FRX1800 provided essential functionalities such as Integrated Layer 2 switching and routing, network monitoring, and basic security features, ensuring that even smaller companies could maintain efficient, reliable networking without overwhelming complexity.

All three models utilized advanced technologies, including a high bandwidth backbone and state-of-the-art switching architecture, to enable fast and reliable data transfer. They also supported Quality of Service (QoS) mechanisms, allowing businesses to prioritize critical applications and ensure consistent performance across the network.

In summary, the Cabletron FRX6000, FRX4000, and FRX1800 were pivotal in enhancing network capabilities, providing organizations with scalable, secure, and high-performance options tailored to their specific needs.