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Two 5400R zl2 VSF and Distributed Trunking

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  • 1.  Two 5400R zl2 VSF and Distributed Trunking

    Posted Apr 19, 2018 08:51 AM

    Hi all,
    I have a question regarding VSF and distributed trunking.
    At the moment I wasn´t able to find the requested information for my problem.

    We have four 5406R switches.
    Two in data center 1 and the other two in data center 2.

    The Access switches are now connected to each data center with one link in active-passive mode.
    (the second link is blocked by spanning-tree)

    Now we are thinking about creating a VSF pair for each data center.
    The pivotal question is, if it is possbile and supported to create a Distributed trunking pair out of the two VSF clusters.

    That would allow us to connect the Access switch with a single LACP trunk with one link at data center 1 and the second at data center 2.

    regards
    Daniel


    #vsf
    #distributedtrunking
    #5400R


  • 2.  RE: Two 5400R zl2 VSF and Distributed Trunking

    MVP GURU
    Posted Apr 20, 2018 08:42 AM

    Hello @Xerox, as already answered on the Aruba Airheads Community Forum (here), the answer is No, DT Distributed Trunking is mutually exclusive with VSF (or Vice-Versa). You can't create an ISC Link between two separate VSF stacks to make them to behave like two physical single Switches configured for/with DT-ISC.



  • 3.  RE: Two 5400R zl2 VSF and Distributed Trunking

    Posted Apr 23, 2018 04:03 AM

    Hi parnassus,

    thanks for your answer.