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  • 1.  MC-LAG with VSTP Running

    Posted 06-24-2022 10:20

    As per Juniper best practises,
    • MC-LAG peers should be configured with same (STP) system ID and bridge priority
    If not complying with the same STP system ID condition on both MC_LAG members, will it have any impact on the access switches mostly cisco while running STP.


  • 2.  RE: MC-LAG with VSTP Running

    Posted 06-25-2022 03:08
    Yes,  probably one of your core-facing MCLAG  interface members will become eligible to be put into a disabled state instead of a more appropriate downstream link.