2Valid port numbers depend on the model of SmartSwitch 1800—see port locations on page 6-1. Make sure the port is not configured (in the Port record) for backup use only.

3Make sure the DLCI is not part of a frame relay DLCI backup group. Also make sure the DLCI is not the one configured on the port as a frame relay PVC.

4If Native LLC2, the interface can be used only for terminated LLC2 traffic.

5Configured in LLC2 Host file.

6Must be unique among all LAN IDs throughout the network on which this node will operate.

Interface Type

identifies whether the interface is on a LAN or a frame relay network.

Blocked Port Flag

causes the port to be enabled (N) or disabled (Y) at node IPL. The interface will remain in that state until this parameter is changed and an on-line update of the bridge port is performed.

Port Priority

will become the first octet of the Port ID field in Spanning Tree Protocol messages. The lower the number, the higher the priority that the interface will be given among other interfaces in the spanning tree.

Path Cost

is the "cost" of transmitting a frame through the port onto the LAN. This cost, deter- mined by the speed of the LAN/port (the higher the speed, the lower the cost), will be added together with all other path costs on a specific link between source and desti- nation devices. The total will then be compared to other total path costs to determine the least "expensive" end-to-end path.

Priority

prioritizes this interface for intra-nodal traffic; the higher the number, the higher the priority. (This priority has no effect on traffic exiting a node.)

Priorities are configured on all logical interfaces that use a physical frame relay port. The device processor in the node uses these priorities to help determine the order in which it will process protocols.

This priority has no connection to Bridge Priority or Port Priority.

When configuring priorities, be careful to consider the types of traffic being routed on other connections in the node.

Port

identifies the physical port containing the interface.

Make sure the physical frame relay port is not reserved for backup DLCIs (as determined by the For Backup Use Only? parameter in the port record).

DLCI

matches the connection with an interface at the remote end of the link.

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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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