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Bring performance and reliability to your network with the HPE Aruba Networking Core, Aggregation, and Access layer switches. Discuss the latest features and functionality of your switching devices, and find ways to improve security across your network to bring together a mobile-first solution
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RSTP convergence issues on HPE Aruba Switches

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  • 1.  RSTP convergence issues on HPE Aruba Switches

    Posted Jun 29, 2020 04:48 AM

    Hi Everyone,

     

    When I test RSTP convergence I note ping IP -t replies are intermittent, can someone advise what causes this behavior given the following configuration?

     

    The Arubu switches are 2930M JL322A series and have AV hardware attached.

     

    All switches:

    igmp filter-unknown-mcast

     

    We are using VLAN 11 for the AV hosts, which has the command:

    ip ipmg

     

    SW-0-1 (Core Layer 2/3 switch)

    CST Root Port: This switch is root

     

    SW-0-5 (Edge AV switch)

    CST Root Port:48

     

    SW-0-6 (Edge AV switch)

    CST Root Port:48

    A laptop connected to SW-0-6 and has an DHCP allocated IP address and a ping <IP> -t running.

     

    SW-0-5 and SW-0-6 are connected via an alternate port (47).

     

    SW-0-1 (Core Layer 2/3 switch)

    bpdu filters exclude data VLAN uplink ports and router outbound port

     

    spanning-tree
    spanning-tree 40 bpdu-filter
    spanning-tree 45 bpdu-filter
    spanning-tree 46 bpdu-filter
    spanning-tree 47 bpdu-filter
    spanning-tree 48 bpdu-filter
    no spanning-tree bpdu-throttle
    spanning-tree trap new-root root-guard loop-guard
    spanning-tree priority 0 force-version rstp-operation

     

    SW-0-5 and SW-0-6

    spanning-tree
    spanning-tree trap new-root root-guard loop-guard
    spanning-tree force-version rstp-operation

     

    Hope someone can assist. Thank you.



  • 2.  RE: RSTP convergence issues on HPE Aruba Switches

    MVP GURU
    Posted Jul 01, 2020 05:01 PM

    Hi,

     

    Do you are sure it is a issue with STP ? what do you have on the log ?