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VSF Link between ArubaOS-CX Primary and Secondary core switches.

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  • 1.  VSF Link between ArubaOS-CX Primary and Secondary core switches.

    Posted Sep 08, 2021 11:54 AM
    Hi there

    How can VSF link configure between primary and secondary core switch in the below topology?

    image.png
    Regards

    Adnan 

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  • 2.  RE: VSF Link between ArubaOS-CX Primary and Secondary core switches.

    Posted Sep 08, 2021 03:22 PM
    Hello Adnan, the Aruba 8360 doesn't support VSF (Virtual Switching Framework) which is a switch virtualization technology, Aruba 8360 instead supports VSX (Virtual Switching eXtension) which is a clustering technology quite different by VSF. If apparently VSF seems like VSX (and vice-versa), both are technologically different.

    The VSX Configuration Best Practices (for Aruba 6400, 8320, 8325, 8360, 8400) is available here.
    The ArubaOS-CX 10.8 Virtual Switching eXtension (VSX) Guide (for Aruba 6400, 8320, 8325, 8360, 8400) is available here.

    Start from those documents.


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    Davide Poletto
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  • 3.  RE: VSF Link between ArubaOS-CX Primary and Secondary core switches.

    Posted Sep 08, 2021 05:18 PM
    Is there any document that Aruba 8360 doesn't support VSF? Just wanted to confirm nothing else. Appreciate your response as well. 



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  • 4.  RE: VSF Link between ArubaOS-CX Primary and Secondary core switches.

    Posted Sep 08, 2021 06:17 PM
    Is there any document that Aruba 8360 doesn't support VSF? Just wanted to confirm nothing else. Appreciate your response as well. 


    Regards

    Adnan

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  • 5.  RE: VSF Link between ArubaOS-CX Primary and Secondary core switches.

    Posted Sep 09, 2021 01:41 AM
    Hello Adnan, VSF and VSX are mutually exclusive so the question should be instead: "Is there a document declaring that Aruba 8360 supports VSX?" if so, if indeed it supports VSX it can't concurrently support VSF.

    Aruba 8360 Datasheet
    Aruba 8360 QuickSpecs

    Are you able to find references about Aruba 8360 is capable of supporting VSF?

    Pay attention that the Aruba 8360 QuickSpecs still contains a very misleading sentence: "Designed using the best features of existing HA technologies such as Multichassis Link Aggregation (MC-LAG) and Virtual Switching Framework (VSF), Aruba VSX enables a distributed architecture that is highly available during upgrades or control plane events" a sentence which was never redacted for the VSF reference. OTOH it is quite easy to understand that coupling concepts like MC-LAG and VSF doesn't work (indeed VSF uses normal Port Trunking while VSX uses MC-LAG now known as VSX LAG)...so since MC-LAG (VSX LAG) is a feature of Aruba 8360 VSX that only reference about VSF in that sentence of Aruba 8360 QuickSpecs is indeed erroneous.

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    Davide Poletto
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  • 6.  RE: VSF Link between ArubaOS-CX Primary and Secondary core switches.

    Posted Sep 09, 2021 10:57 AM
    Hi Davide,

    Cleared my point. Really Appreciate your explanation.

    Regards

    Adnan

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  • 7.  RE: VSF Link between ArubaOS-CX Primary and Secondary core switches.

    Posted Sep 16, 2021 12:37 PM
    Hello

     In a VSF stack all switches behave as one. Management and device control, network control, and routing are all centralized, one device acts as the stack's "management module". Forwarding is distributed and Link Aggregation is shared (member switches act like "line cards")

     On the other hand, VSX only shares layer 2 Link Aggregation (in multi-chassis LAGs) and Active Gateway technology to provide redundant active-active uplinks for L2 access switches or stacks, mobility controllers, and servers. VSX management plane synchronization makes VSX simpler to configure and helps to achieve consistency across the VSX pair




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    Brahim Ayari
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