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  • 1.  Interoperability RPST+ between AOS-CX and Cisco IOS-XE

    Posted Feb 24, 2022 05:15 PM
    Edited by ES0 Feb 25, 2022 07:22 AM
    My client is looking at CX switches. However, one question remains unanswered, the compatibility of spanning the three RPVST+ protocols on AOS-CX with the existing Cisco IOS-XE protocol.

    Is there any information on RPVST+ compatibility between AOS-CX and Cisco IOS-XE?

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    Egor Schelkonogov
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  • 2.  RE: Interoperability RPST+ between AOS-CX and Cisco IOS-XE
    Best Answer

    Posted Feb 25, 2022 04:40 AM
    Hi Egor

    Basically, spanning tree protocols are standards based. Even though RPVST+ is a Cisco development, Aruba does fully support this and there is usually no interoperability issues across vendors if you use the same protocol. I did a lot of projects with ArubaOS-CX gear connected to switches of a large variety of vendors (Ruckus, Extreme, HPE, Cisco, Arista, ...). It's just very important that you know the different "flavors" of spanning tree and know how (or how not) they interoperate. ArubaOS-CX supports MSTP, RSTP and RPVST+ as well as the "classic" (802.1d) spanning tree. Be aware that there is some limitations on lower-end platforms regarding instances (MSTP) or vlan instances (RPVST+).

    Which platform are you planning to use?

    Best, Thomas

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    Thomas Siegenthaler
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    Original Message


  • 3.  RE: Interoperability RPST+ between AOS-CX and Cisco IOS-XE

    Posted Feb 25, 2022 07:21 AM

    Hi, Thomas!

    Thank you for your response.
    Currently we are planning AOS-CX



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    Egor Schelkonogov
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    Original Message


  • 4.  RE: Interoperability RPST+ between AOS-CX and Cisco IOS-XE

    Posted Feb 28, 2022 02:37 AM
    Hi Egor

    I'm wondering what exact platform you are planning, e.g. 6100/6200/6300/83xx etc.
    Do you already know?

    By the way, do you know Feature Navigator?
    https://feature-navigator.arubanetworks.com/
    Don't forget to enable "scale numbers" if you are using lower end platforms to make sure they are good enough for your use case.

    Regards,
    Thomas

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    Thomas Siegenthaler
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    Original Message


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