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Missing Broad-/Multicast Detection in Official Network Templates

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  • Daniel4711
    Senior Member
    • Jul 2014
    • 126

    #1

    Missing Broad-/Multicast Detection in Official Network Templates

    During a network problem last week, I noticed that the OIDs for broadcasts/multicasts are missing in the templates for switches (in our case the HP Enterprise template).
    We had the problem that a Lenovo computer that was switched off was flooding our network with IPV6 multicast packets.
    This blog describes the problem from last week.
    Today I had a very big network problem! Since 4 o’clock a customer told us, that the network printers aren’t available and a wireless link to another location can’t be used anymore. I watched at the PRTG monitoring software and the network-ports from the HP switches were at high load/traffic:   and this was on every network port! So […]


    I am of the opinion that these OIDs should also be monitored.
    The problem with a broadcast is that a possible default trigger would then trigger an alarm for all network ports.

    How do you deal with broadcast/multicast detection?
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