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3750-X Stack issues


i have a working Stack of 3750-X    

Switch#  Role   Mac Address     Priority Version  State


*1       Master 4c00.827f.f500     15     1       Ready              

2       Member 4c00.8279.9d80     14     1       Ready              

3       Member 4c00.8279.9a80     13     1       Read


Switch Ports Model              SW Version            SW Image                
------ ----- -----              ----------            ----------              
*    1 30    WS-C3750X-24       12.2(55)SE5           C3750E-UNIVERSALK9-M    
     2 30    WS-C3750X-24       12.2(55)SE5           C3750E-UNIVERSALK9-M    
     3 30    WS-C3750X-24       12.2(55)SE5           C3750E-UNIVERSALK9-M    

    6  drwx         512   Mar 1 1993 01:08:19 +01:00  c3750e-universalk9-mz.122-55.SE5


i'm adding a WS-C3750X-48P (different model) but the new switch cannot be stacked

Some hint:

1) Release IOS are identical

2) I tried to manually provision the new stack with stack provision command

3) Priority and switch number are set manually in oreder to have a correct sequencing (switch 4 - priority 11)

4) debug platform are enabled on stack but we nothing is triggered in debug

5) show switch stack-ports summary see ports down and connected

If an erroror or mismatch is present i wish to see it in swhow switch but nothing is displayed ...

When i boot up the new switch ... it makes all post operation and then enter in master election phase ... finish this task without discover the stack ... and boot up in stand alone mode ...

Someone can help me ?

Thank you very much !


3750-X Stack issues

Can you post the stack config itself?


Community Member

Re: 3750-X Stack issues

In attach show run and show switch commands

you can see switch manually provisioned

switch 4 is connected via stack cable but ports are down it fresh from factory (wr erase) ... vlan.dat erased only priorty assigned and renumber from 1 to 4 ...

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