Console log entry question

Discussion in 'Apple' started by Alan Munn, Feb 2, 2005.

  1. Alan Munn

    Alan Munn Guest


    In addition to repeated SSH login attempts (recorded in system.log) my
    console log also contains a number of entries like the following:

    Feb 2 10:03:21 sapir kernel: arp: moved from
    00:04:80:9b:10:00 to 00:0a:95:eb:86:40 on en0

    I understand (sort of) that addresses are "link local"

    Neither of these MAC addresses are the MAC address of my machine (as
    reported via Sytem Profiler).

    Is this something I should worry about?



    Alan Munn
    Dept. of Linguistics and Languages
    Michigan State University
    East Lansing MI 48824
    amunn at
    Alan Munn, Feb 2, 2005
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  2. My guess is that these are reacting to gratuitous ARP broadcasts coming
    from other subscribers on your broadband network. So at one time you
    received an ARP from MAC 00:04:80:9b:10:00 announcing its IP is Then later, MAC 00:0a:95:eb:86:40 announced that it was
    using this IP. So your Mac updated the ARP cache, and logged the fact
    that it was doing so.
    Barry Margolin, Feb 3, 2005
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