N ode N ame=node_xyz

 

 

Brid ge Forw ard in g Table D is play

MA C Add ress

 

BrPort

 

Flags

 

C00000000002

10

 

Static, Don't Fw d

C000000000F0

un know n

Discovery Pen ding

PgU p

PgDn

F2:Refres h Table

F3:Exit

F4:Flu sh Table

Figure 20-13 Bridge Forwarding Table Display

[C],[F],[D],[B] from Main Menu

Pressing [F2] will update the display. (It is not updated automatically.) Pressing [F4] will allow you to delete all dynamic entries. New entries will then be added as frames containing MAC addresses are received on Bridge ports that are in Learning or Forwarding state.

Information in this Display:

●MAC Address – source or destination address received in a frame.

●BrPort – the Bridge port used for forwarding traffic to the associated MAC

address.

●Flags:

◆Static – The entry is fixed in the software.

◆Dynamic – The entry was added when the address was received.

◆LLC2 – The address is used for terminated LLC2 traffic.

All SNA frames (identified by SAP multiples of 4) will be handled by LLC2, rather than bridged directly.

◆Configured – The LLC2 address has been explicitly configured for a Host record.

◆Native – The addresses is accessible via a native LLC2 interface.

◆Discovery Pending – The MAC address was the destination address in the received frame, and the FRX software is trying to find the correct Bridge port for that address. (Therefore, the port will be identified as Unk, or unknown, until it is discovered.)

◆Don't Forward – Frames to the address will not be forwarded. Addresses with this flag are destined for the local bridge, or are reserved functional addresses defined in the 802.1d specification and IBM Token Ring archi- tecture.

Status Displays

20-25

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Cabletron Systems 1800 manual Bridge Forwarding Table Display
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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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