received (sequentially) without BECN set, the effective outgoing BE will be increased by 1/8 of the configured value.

As long as no BECNs are received, the effective burst size will continue to increase until it reaches the full configured value. Any time a BECN is received, however, the effective value will return to the value of the outgoing BC.

Outgoing DLCI Priority

sets a priority for this DLCI among others over the physical port. Note that 4 is the highest priority.

Backup Group Number

specifies (if configured as any number other than 0 ) that this is a primary DLCI, and identifies the backup DLCI(s) (see "Configuring Frame Relay Backup Groups" on page 7-22)that will take over if this DLCI fails. This parameter is applicable only on an "initiating" node, which is the node that will initiate the switchover to a backup DLCI. At switchover, the initiating node notifies the remote node of the change.

A DLCI cannot be both a backup and a primary.

Do not configure a Backup Group Number on this DLCI at the remote (non-initiating) end.

Enable Backup Protocol?

specifies that (if Y) this DLCI will be used as a non-initiating backup. The DLCI will wait for a backup protocol message from the initiating end, telling the backup where to send the rest of the messages.

Remote RLP/Port/DLCI

identifies the primary DLCI in the non-initiating (called "remote" for the purpose of differentiating) node to which that this DLCI connects for normal operation. (A remote RLP does not need to be configured if the remote device is another Smart- Switch 1800 or an FRX4000.)

The primary and all of its backup DLCIs in a non-initiating FRX6000/FRM must be on the same RLP.

Switchover Timer

is the time the initiating node will wait after detecting a primary DLCI failure before it checks for available backups.

Switchback Timer

is the time the initiating node will wait before switching from the backup to the primary DLCI after the primary becomes active again. If set to the maximum of 65565, the backup will not switch to the primary unless it (the backup) fails.

FRM Configuring Frame Relay

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Cabletron Systems 1800 manual Dlci cannot be both a backup and a primary
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1800 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.
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