Bridging

Changing Forwarding Delay Time

If the 9H42x-xx module is the Root Bridge or attempting to become the Root, and you want to change the time period the bridge will spend in the Listening state (e.g. either listening to BPDU activity on the network while moving from the Blocking to the Learning state or in the Learning state while the bridge is moving from the Listening to the Forwarding state):

1.Highlight the Forwarding Delay field, and type in a new value.

2.Click on .

The IEEE 802.1d specification recommends that Forward Delay = 15 seconds; the allowable range is 4 to 30 seconds.

NOTE

To ensure proper operation of the Spanning Tree Algorithm, the IEEE 802.1d specification recommends that you always observe the following relationship between Forwarding Delay and Max Age:

2 x (Forwarding Delay - 1.0) > Max Age

Changing Port Priority

To change the part of the Port Priority used in priority comparisons:

1.If necessary, select the desired port by clicking the mouse to highlight the port in the lower right quadrant of the window. The lower left quadrant of the window will now allow you to edit parameters for the selected port.

2.Highlight the port Priority field, and enter the new priority identifier. Only valid hexadecimal numbers (0 to FF) are allowed in this field. The default is 80 hexadecimal.

3.Click on . The new port priority will be saved.

Changing Path Cost

To change the Path Cost:

1.If necessary, select the desired port by clicking the mouse to highlight the port in the lower right quadrant of the window. The lower left quadrant of the window will now allow you to edit parameters for the selected port.

2.Highlight the Path Cost field, and type in a new value from 1 to 65535 decimal (default is 100 decimal).

3.Click on .

The new path cost will be applied to the port.

5-18

Bridge Spanning Tree

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Cabletron Systems 9H42X-XX manual Changing Forwarding Delay Time, Changing Port Priority, Changing Path Cost
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9H42X-XX specifications

Cabletron Systems 9H42X-XX is an advanced networking device recognized for its robust performance and reliability in various enterprise environments. Designed to meet the growing demands of data communication, this model serves as a vital component of network infrastructure, offering a myriad of features and technologies.

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Security is a primary consideration in the design of the 9H42X-XX. With built-in firewall capabilities and support for advanced encryption protocols, data integrity and confidentiality are ensured. Furthermore, the device offers robust access control features, allowing organizations to define user permissions and protect sensitive information from unauthorized access.

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In summary, the Cabletron Systems 9H42X-XX is a versatile networking solution that combines high-speed connectivity, security features, and ease of management within its robust architecture. Its adaptability and technical specifications position it as a reliable choice for enterprises looking to upgrade their network infrastructure and accommodate future growth.
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