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Admin edge port and BPDU Filter

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  • 1.  Admin edge port and BPDU Filter

    Posted Mar 09, 2010 10:47 AM
    My co-worker and I inherited a previous co-workers mess... and are trying to figure out why he hard set this all over the place on the switches...


    spanning-tree B19 bpdu-filter
    spanning-tree B20 admin-edge-port
    spanning-tree B20 bpdu-filter
    spanning-tree B21 admin-edge-port
    spanning-tree B21 bpdu-filter
    spanning-tree B22 admin-edge-port
    spanning-tree B22 bpdu-filter
    spanning-tree B23 admin-edge-port
    spanning-tree B23 bpdu-filter
    spanning-tree B24 admin-edge-port
    spanning-tree B24 bpdu-filter


    Isnt enabling spanning tree in it self good enough...
    All the ports he did this on seem to have pc's or servers connected directly to them.


  • 2.  RE: Admin edge port and BPDU Filter

    Posted Mar 09, 2010 12:02 PM
    Hello,

    if you connect clients to the mentioned ports I recommend the following settings:

    spanning-tree <CLIENT ports=""> bpdu-protection
    spanning-tree <CLIENT ports=""> admin-edge-port

    "BPDU Protect" feature will protect your ports i.e. against rogue switches.
    "Admin Edge" feature will save you 3 seconds when bringing a port online

    "BPDU filter" is not recommended, because you might filter some BPDUs which you might need for detecting loops.

    Cheers,

    Michael

    </CLIENT></CLIENT>


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