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Forum Discussion

Satas's avatar
Satas
Aspirant
Oct 05, 2020

Communication between multiple Stack

Here is our problem:

 

We have three switch stacks, one main + stack 1 and stack 2.
All three stacks are fully functional.

 

On the attached plan : 


The red ports are configured in stack mode.
Green and blue ports are configured in ethernet mode.

All ports are fiber optic.


It is impossible for us to have communication between the stacks ?
Where could our problem come from?


Thank you for your help.

1 Reply

  • schumaku's avatar
    schumaku
    Guru - Experienced User
    Oct 09, 2020

    Of course you are able to connect multiple stacks - just like single switches - using single links (like your red and green ones), multiple LAGed connections, or even multiple LAGs over ports not configured for stacking. Needless to say, any VLANs must be configured on the stacked trunks of course.

     

    LaurentMa - anything obvious which might block the connectivity?

     

     

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