Disabled – The link has been broken by the Disable Port operation (at the On-

Line Control menu).

Disconnect – For X.25, level 1 is up but level 2 cannot be established. For SNA HPAD, no XID or SNRM command frame has been received for any link address configured for the HPAD subscriber.

Configured – The port is configured in the database, but has been disabled.

Dial Ready – The X.25 dial port is ready to transmit or receive calls.

Quiesced – The port has been quiesced (described on page 19-12).

Failed – Some modem controls are not present, and the physical link is down.

State for Voice ports:

Configured – The port is configured in the database, but has been disabled.

On Hook Self-explanatory.

Dialing Self-explanatory.

Wait on Accept – The number has been dialed, but the device at the remote end has not yet established a connection.

Call Active – A call has been placed and answered

Pnd. on Hook – The device at the remote end has been placed on hook while the call was in progress.

Failed – The physical link is down.

Displaying Virtual Connections

To display all physical and logical connections on a physical port, press [C] at the Status Displays Menu and, when prompted, enter an RLP port number: 0–3 .

The display will differ depending on whether or not the port is a frame relay port . Figure 20-3shows a frame relay port and Figure 20-4shows a non-frame relay port.

Status Displays

20-3

Page 301
Image 301
Cabletron Systems 1800 manual Displaying Virtual Connections, Status Displays 20-3

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.