Chapter 4: Troubleshooting

4.3TROUBLESHOOTING CHECKLIST

If the 6E12X-26 or 6E13X-25 is not working properly, refer to Table 4-4for a checklist of possible problems, causes, and recommended actions to resolve the problem.

Table 4-4 Troubleshooting Checklist

Problem

Possible Cause

Recommended Action

 

 

 

 

 

 

 

Loss of power to the

Check the proper connection

 

of the power cable and its

 

6C105 chassis.

All LEDs are OFF.

access to a live outlet.

 

 

6E13X-25 or 6E12X-26

Check the installation.

 

not properly installed.

 

 

 

 

 

 

Autobaud enabled. But

Press ENTER (RETURN)

 

baud rate has not yet

 

(may take up to four times).

No Local

been sensed.

 

 

 

Management

Terminal setup is not

Refer to Chapter 5 for proper

Password screen.

correct.

setup procedures.

 

 

 

 

Improper console cable

Refer to Appendix A for

 

pinouts.

proper console port pinouts.

 

 

 

 

Improper Community

Refer to Chapter 5

 

for Community Names Table

 

Names Table.

Cannot contact the

setup.

 

6E132-25 or

 

 

6E12X-26 or 6E13X-25

Refer to Chapter 5 for IP

6E122-26 from

does not have an IP

address assignment

in-band

address.

procedure.

management.

 

 

Port is disabled.

Enable port.

 

 

 

 

 

No link to device.

Check link to device.

 

 

 

Port(s) goes into

6E12X-26 or 6E13X-25

Review network design and

standby for no

detects a looped

delete unnecessary loops.

apparent reason.

condition.

 

 

 

 

User parameters (IP

Mode switch (7), NVRAM

 

address, Device and

Reset, was changed

 

Module name, etc.)

sometime before either

 

are lost when the

cycling power or

Reenter the lost parameters

6E12X-26 or

pressing the RESET

as necessary. Call the

6E13X-25 is

button, causing the

Cabletron Systems GCC if

powered down or

user-entered parameters

problem continues.

the front panel

to reset to factory default

 

RESET button is

settings.

 

pressed.

 

 

 

 

 

4-6

6E122-26, 6E132-25, 6E123-26 and 6E133-25 User’s Guide

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Cabletron Systems 6E122-26, 6E133-25, 6E123-26, 6E132-25 manual Troubleshooting Checklist

6E122-26, 6E123-26, 6E132-25, 6E133-25 specifications

Cabletron Systems, a prominent name in the networking hardware industry, has produced several notable products that have made significant impacts on network performance and reliability. Among these, the Cabletron Systems 6E133-25, 6E132-25, 6E123-26, and 6E122-26 stand out for their advanced features, versatile applications, and robust technologies.

The Cabletron Systems 6E133-25 is a high-performance modular network switch designed for enterprise environments. It boasts a switching capacity that handles high traffic loads efficiently, facilitating data flow without bottlenecks. With features such as VLAN support and multicast filtering, it allows for more efficient use of network resources. Its ability to support various media types, including fiber and copper, enhances flexibility in deployment scenarios.

The 6E132-25 delivers exceptional performance as a network hub, supporting multiple connection protocols. Its design incorporates redundancy features, ensuring continuous operation in mission-critical applications. One of its standout characteristics is its user-friendly management interface, which simplifies configuration and monitoring tasks, enabling IT administrators to maintain optimal network health with ease.

In contrast, the Cabletron Systems 6E123-26 focuses on providing cost-effective solutions without compromising on quality. It is particularly suitable for smaller networks or branch offices, where budget constraints may limit options. This switch offers essential features including auto-negotiation and automatic port configuration, promoting straightforward setup while preserving performance reliability.

Lastly, the 6E122-26 is engineered for versatility, catering to both small and medium-sized businesses. It supports a range of protocols, ensuring compatibility across various systems. Its robust design incorporates security features that protect against unauthorized access and threats, addressing growing concerns around network vulnerabilities.

Collectively, these products from Cabletron Systems exemplify the company's commitment to innovation in the networking space. They integrate cutting-edge technologies such as QoS (Quality of Service), which prioritizes demanding applications, thereby enhancing user experience and productivity. With their diverse features and scalability, the 6E133-25, 6E132-25, 6E123-26, and 6E122-26 remain relevant in an ever-evolving digital landscape, proving Cabletron Systems' legacy in delivering powerful networking solutions that cater to a variety of organizational needs.