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Chapter

Chapter 3: Connecting the Switch

Stack Troubleshooting and Maintenance

Linksys One Ready Communications Solution

• If each part of the stack has a Stack Master (for example, one contains the original

Stack Master, and one contains the Backup Master), and are operating as two

separate stacks, both Stack Masters contain the same configuration and use the

same IP address.

Neither the Stack Master Unit or the Backup Master Unit Remains in the Group

This scenario is the same as that of a failed Stack Master where no Backup Master is

available. The following concepts apply:

• Units whose ID numbers are 3 through 8 in this part of the original stack will not

renumber themselves, and will remain shut down until a master-enabled unit is

connected and begins to operate as the Stack Master. The Master Discovery process

discovers that the Stack Master has failed.

• In this group, the units lose connection with the Stack Master. Since they began as a

running stack and none of them are in factory default mode, renumbering does not

occur, and even a reset of the units will not affect unit ID assignment, because units

can be renumbered only by a Stack Master.

• No unit ID changes are performed in each one of the two groups.

Merging Two Stacks

To merge two working stacks and create one stack, first decide if you will merge the stacks

while the incoming units are powered off during insertion, or if both stacks will be running

when merged.

NOTE: If both Stack Masters use the same IP Address,

problems can occur on the network, because users

cannot connect to one of the stacks through its IP address.

NOTE: None of the units in either group will renumber

themselves.

Cisco SGE2000 Administration Guide

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