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tantony's avatar
tantony
Luminary
Jul 11, 2019
Solved

Link Aggregation (LAG) question

I never setup LAG before on switch ports, so just to make sure, when I setup LAG, it have to be done on two switches right?  For example from switch A and B.

 

If I only setup LAG on switch A what happens?  My understanding is that LAG is used for redudency, load sharing, and higher bandwidth.


  • tantony wrote:

    ..., when I setup LAG, it have to be done on two switches right?  For example from switch A and B.


    Correct.

     


    tantony wrote:

    If I only setup LAG on switch A what happens?  My understanding is that LAG is used for redundancy, load sharing, and higher bandwidth.


    If you connect two different systems, if you connect a switch using both (non-configured) ports, to this LAG - I'll promise a nightmare and mess on your LAN.

     

     

1 Reply

  • schumaku's avatar
    schumaku
    Guru - Experienced User

    tantony wrote:

    ..., when I setup LAG, it have to be done on two switches right?  For example from switch A and B.


    Correct.

     


    tantony wrote:

    If I only setup LAG on switch A what happens?  My understanding is that LAG is used for redundancy, load sharing, and higher bandwidth.


    If you connect two different systems, if you connect a switch using both (non-configured) ports, to this LAG - I'll promise a nightmare and mess on your LAN.

     

     

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