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  • 1.  syslog messages for Trunk port between EX3400 to Cisco 3750X

    Posted 09-20-2022 14:38
    Getting this message in our Syslog server.

    TOPO_CH: for VLAN 5 in routing-instance default received on port ge-0/0/0.0

    Using VSTP for spanning-tree.

    Thanks

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    STEPHEN BAUER
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  • 2.  RE: syslog messages for Trunk port between EX3400 to Cisco 3750X

    Posted 09-20-2022 14:50
    So that means you are seeing STP chg notifications on vlan 5 coming form that port .
     100% normal if you seen a flap or some kinda STP change for that vlan 

    Sorry I cannot remember how on  cisco but you can look to see when it last got the topo chan like
    show spanning-tree bridge detail vlan-id 5 in junos.

    Just a share.  always recommend you setup your  uplinks that you KNOW should never been a root port .

    set protocols vstp interface ge-0/0/0 no-root-port
    Original Message