Configuring the Trap Table

SDLC Rem Stn Exceeded window size

711

 

The number of frames sent by the remote device has exceeded the window size.

Severity

Major (Level 2)

 

SDLC Station Inactivity time exp

712

The timer deÞned by the parameters No Response Poll Period and Maximum Retransmissions in the SNA Port record has expired.

Severity

Major (Level 2)

 

Action

Check the PU to make sure it is operational.

 

SDLC XID Retries exhausted

713

The retry limit for XID has been exceeded and link establishment has failed.

Severity

Major (Level 2)

 

SDLC Rem Stn sent FRMR—no reason

714

The remote station sent a Frame Reject with no reason.

 

Severity

Major (Level 2)

 

SDLC Remote RNR limit exceeded

715

The remote station is busy. This could be a hardware or buffer problem in the remote device.

Severity

Major (Level 2)

 

Action

Check the hardware and conÞguration at the remote device.

SDLC Rem Tx Frame exceeds MAXDATA

717

A frame transmitted by the remote station exceeds the conÞgured value for

Maximum Bytes per Frame.

Severity

Major (Level

2)

SDLC Rem sent UA in NRM

718

The remote station sent a UA while in Normal Response Mode, which is not allowed.

Severity

Major (Level 2)

 

SDLC No DSR on link

720

A necessary DSR was not received from the DCE.

 

Severity

Major (Level 2)

 

Action

Check the modem to make sure it is operational.

 

Trap Messages

3-27

Page 76 Page 78
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Image 77
Cabletron Systems 1800 Sdlc Station Inactivity time exp 712, Sdlc XID Retries exhausted 713, Sdlc Rem sent UA in NRM 718
Page 76 Page 78

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.
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