46Chapter 5: Router Software Maintenance

Press <Enter> to return to Boot Menu.

6Clear the application configuration file.

Select Boot Menu option 5. The screen displays:

Clear configuration, are you sure?[Y/N]

Press <Y> to clear the configuration file saved last time. It cannot survive a reboot.

Press <N> to reject the clear operation.

7Reset console authentication.

This option allows you to log in from the console port without authentication.

Select Boot Menu option 7. Exit and then restart the router. The screen displays “Login authentication ignored”, allowing you to log in from the console port without authentication.

Note that this is a one-time operation. It takes effect only at the first reboot after resetting console authentication is selected. At the next reboot, console authentication is required.

8Start up and ignore configuration.

Select Boot Menu option 8. The system sets an Ignore flag to Flash memory and displays:

Flag set successfully.

Thus, empty configuration applies at reboot. The system removes the

Ignore flag after its boot is completed.

In case you forget the password, you may select this option to have the router boot with the configuration file ignored. After accessing the system, you may change or delete the password. Note that if not saved, the modified configuration cannot survive a reboot. To have the router reboot with the new configuration, you must perform the save operation after completing the configuration.

9Boot ROM Operation Menu

Select Boot Menu option 9 to enter Boot ROM Download Menu as follows for upgrade, backup, or recovery:

Boot ROM Download Menu:

1:Download Boot ROM with XModem

2:Download Extended Segment of Boot ROM with XModem

3:Restore Extended Segment of Boot ROM from FLASH

4:Backup Extended Segment of Boot ROM to FLASH

Page 46
Image 46
3Com 6000 manual Clear configuration, are you sure?Y/N

6000 specifications

The 3Com 6000 series, launched in the late 1990s, was a significant advancement in networking technology, designed to meet the growing demands of enterprise-level networking. This series provided powerful solutions for businesses seeking reliable, efficient, and scalable networking capabilities.

At its core, the 3Com 6000 series featured a modular design, allowing companies to customize their networks according to specific needs. This flexibility meant that organizations could add or replace components as their networking requirements evolved, ensuring investment protection and a tailored approach to connectivity. The ability to scale was particularly important for businesses that anticipated growth or change in operational demands.

One of the standout features of the 3Com 6000 was its advanced switching capabilities. The series employed high-performance switching technologies that supported various protocols, including Fast Ethernet and Gigabit Ethernet. This versatility made it suitable for diverse environments, from small offices to large corporate settings. The 3Com 6000 switches were engineered to deliver high throughput and low latency, crucial for applications requiring real-time data transfer.

The series also supported a range of network management tools, enhancing operational efficiency. With SNMP (Simple Network Management Protocol) support, network administrators could easily monitor and manage network performance, troubleshoot issues, and configure devices from a centralized location. This capability significantly streamlined network operations, reducing downtime and optimizing resource allocation.

Security was another significant concern addressed by the 3Com 6000. The series incorporated robust security features, including access control lists (ACLs) and VLAN (Virtual Local Area Network) support. These features allowed network administrators to segment traffic and enforce security policies, protecting sensitive data and ensuring compliance with organizational standards.

Moreover, the 3Com 6000 series was designed with energy efficiency in mind, reflecting a growing awareness of the environmental impact of IT infrastructure. By implementing power-saving features, the series helped organizations reduce their overall energy consumption while maintaining optimal network performance.

In summary, the 3Com 6000 series stood out for its modularity, advanced switching capabilities, extensive management tools, strong security features, and energy efficiency. It represented a forward-thinking solution for enterprises aiming to build robust network infrastructures capable of supporting a wide range of applications and services. As organizations increasingly relied on networked systems, the 3Com 6000 played a crucial role in shaping the landscape of enterprise networking.