NOTE

Local Terminal Configuration

Using a Local Terminal

The other Main Menu items are explained in other chapters of this manual. The TFTP Download new firmware and XMODEM Download new firmware menu item is described in Chapter 6 “Download New Firmware”. The Warm start and Exit and Cold start and Exit menu items are explained in Chapter 5 “LanProbe Operation”.

Modify/View Security Values

Use the following procedure to configure items in the Modify/View Security Values menu:

1.If you want to restrict access to the probe press 2 to access the Modify/View security values menu item, otherwise skip this section. The Modify/View Security Values menu is displayed, as shown in Figure 2-7.

Modify/View Security Values Menu - Firmware Rev

1.

Allow packet

capture

Yes

2.

Allow TFTP firmware downloads

Yes

S. Save changes

and exit

 

0.

Cancel changes and exit

 

 

 

 

 

Figure 2-7: Modify/View Security Values Menu

2.Select each field requiring configuration (one at a time) by pressing its corresponding number and then entering the values that are appropriate for your network. See “Access Security” on page 8. for more information on security.

Allow Packet

Press 1 and enter Yes to allow or enter No to not allow

Capture

packet capture.

Allow TFTP

Press 2 and enter Yes to allow or enter No to not allow

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IBM 4986B LanProbe manual Modify/View Security Values Menu

4986B LanProbe specifications

The IBM 4986B LanProbe is a sophisticated network diagnostic tool that plays a crucial role in the maintenance and optimization of computer networks. Known for its advanced features and robust performance, the LanProbe is specifically designed to assist network administrators in monitoring, analyzing, and troubleshooting network issues efficiently.

One of the main features of the IBM 4986B LanProbe is its ability to capture and analyze network traffic in real time. This capability is essential for identifying bottlenecks, diagnosing connectivity problems, and overseeing data transfers across the network. The device employs advanced packet sniffing technology, allowing it to interpret various communication protocols within the network environment. This functionality enhances the speed and accuracy of network diagnostics, ensuring that administrators can quickly respond to issues as they arise.

The LanProbe is equipped with a user-friendly interface that simplifies the process of navigating its numerous features. It includes visual graphs, charts, and data logs that present network activity in an easily digestible format. This intuitive design is beneficial for both seasoned network engineers and less experienced users. Furthermore, the device supports a variety of operating systems, making it versatile and adaptable to different network infrastructures.

Another significant characteristic of the IBM 4986B is its compatibility with various networking technologies, including Ethernet, Token Ring, and WLAN. This flexibility enables the LanProbe to function effectively in diverse environments, providing comprehensive visibility into both wired and wireless segments of a network. Additionally, it supports multiple network topologies, allowing administrators to perform checks across various configurations with ease.

The device also offers logging capabilities, enabling users to store historical network data for later analysis. These logs can be invaluable for identifying recurring issues, generating reports, and conducting strategic network planning. Security features such as access control and auditing help ensure that only authorized personnel can view sensitive network information, thus safeguarding the integrity of the system.

In conclusion, the IBM 4986B LanProbe is a powerful tool that combines advanced diagnostic capabilities with user-friendly features. Its ability to monitor, analyze, and troubleshoot various networking technologies makes it an indispensable asset for network administrators. With its robust performance and versatile compatibility, the LanProbe continues to be a vital component in the efficient management of modern network infrastructures.