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Bring performance and reliability to your network with the Aruba Core, Aggregation, and Access layer switches. Discuss the latest features and functionality of the ArubaOS-Switch and ArubaOS-CX devices, and find ways to improve security across your network to bring together a mobile first solution.
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Aruba Distributed Trunk vs VSF

  • 1.  Aruba Distributed Trunk vs VSF

    Posted Feb 24, 2019 04:04 PM

    Hi everyone,

    Do you know difference between Distributed Trunk and Vsf? 




  • 2.  RE: Aruba Distributed Trunk vs VSF

    Posted Feb 25, 2019 05:06 AM

    Distributed Trunking is a multi-chassis Link-aggregation technology, pure Layer2 and for 2 devices only.

    VSF is a virtual stacking technology for data-plane (L2), but as well for control-plane (routing) and management plane (single IP address).



  • 3.  RE: Aruba Distributed Trunk vs VSF

    Posted Feb 25, 2019 05:24 AM

    so can we says same platform mc-lag,  aruba Distributed Trunk = nexus vpc = ArubaOSX VSX etc. ?



  • 4.  RE: Aruba Distributed Trunk vs VSF

    Posted Feb 25, 2019 06:14 AM

    You can think about ArubaOS-CX VSX like a DT on steroids but you need to consider also that VSX is really ArubaOS-CX specific (and so it can be deployed only on Aruba 8400/8320 and 8325 starting from ArubaOS-CX 10.01 and newer) while DT Distributed Trunking refers to HP ProCurve, now Aruba, switch series (DT support some L3 features too...OSPF as example, it's not totally mutually exclusive with L3).



  • 5.  RE: Aruba Distributed Trunk vs VSF

    Posted Feb 25, 2019 07:41 AM

    Thak you for answers. Could you check link is as below? 
    is it Distributed Trunk(ARUBA), VSX(OS-X), VPC(Nexus), MCT(Brocade), M-lag(Huawei) etc. as platforms provide layer-2 redundancy and blocking stp loop?

    http://www.wikizero.biz/index.php?q=aHR0cHM6Ly9lbi53aWtpcGVkaWEub3JnL3dpa2kvTUMtTEFH



  • 6.  RE: Aruba Distributed Trunk vs VSF

    Posted Jul 10, 2019 08:02 AM

    @vincent.giles wrote:

    Distributed Trunking is a multi-chassis Link-aggregation technology, pure Layer2 and for 2 devices only.

    VSF is a virtual stacking technology for data-plane (L2), but as well for control-plane (routing) and management plane (single IP address).


    so when you say, Distributed Trunking is a multi-chassis Link-aggregation technology, pure Layer2 and for 2 devices only. This means, that each of the two switch(member) that act in the Distributed Trunk have their own e.g. Mangement IP?



  • 7.  RE: Aruba Distributed Trunk vs VSF

    Posted Jul 10, 2019 08:15 AM
    Yes, both Switches involved into a DT deployment have a "dedicated identity" (DT doesn't virtualize their respective management planes)...and so you will continue to deal with two IP addresses for management.


  • 8.  RE: Aruba Distributed Trunk vs VSF

    Posted Jul 10, 2019 09:01 AM

    on which device is the harp table kept? and Who gives the arp answer?



  • 9.  RE: Aruba Distributed Trunk vs VSF

    Posted Jul 10, 2019 09:05 AM

    In DT it's the primary box that handles ARP responses, but the mac-tables are synchronized based on their learning.



  • 10.  RE: Aruba Distributed Trunk vs VSF

    Posted Jul 10, 2019 09:18 AM
    I don't understand that answer neither the question, each switch should keep an ARP-table for itself, or?


  • 11.  RE: Aruba Distributed Trunk vs VSF

    Posted Jul 10, 2019 01:45 PM

    This is largely correct, though there is some trunked port state data synchronized across the DT inter-switch link — other than that, both DT members operate as independent switches with their own routing, ARP, and MAC tables, configuration, etc.