312CHAPTER 11: TRUNKS

bridge trunk modify

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Changes a trunk in either of two ways:

Modifies a trunk’s characteristics (for example, a Fast Ethernet operating mode or the Trunk Control Message Protocol (TCMP) state).

Adds or removes a port from the trunk, as long as you maintain at least one of the original ports in the trunk.

Valid Minimum Abbreviation

b t m

Important Considerations

Keep at least one port that you defined in the original trunk. To completely redefine a trunk configuration, remove the trunk and define a new one.

You cannot modify, add, or remove ports that are part of different trunks from the trunk that you are modifying.

To avoid configuration errors, do not modify Fiber Distributed Data Interface (FDDI) station mode port pairs when any of the ports in the pair are members of a trunk.

If you have more than one media type on your system (for example, Fast Ethernet and Gigabit Ethernet), you are prompted for a media type before you are prompted for the trunk information.

Any changes that you make to the trunk’s characteristics take effect immediately and do not interrupt trunk operations. If you add or remove a port, however, you must reboot the system to implement the change.

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3Com 3500 manual Bridge trunk modify, Changes a trunk in either of two ways