Log Indicates Router Restart

Discussion in 'Wireless Networking' started by Dave, Oct 8, 2008.

  1. Dave

    Dave Guest

    I am running Vista Home Premium and have a D-Link wireless router to connect
    other PC's and laptops in the house. I have recently noticed in the router
    log that my router has been restarted. This befuddles me as the power has
    not been interrupted, I have not made any changes to the settings and saved
    those changes, and have not restarted the router myself. I currently use the
    following wireless security measures, 1) SSID broadcast set to off, 2) Open
    WEP 128bit Hex encryption, 3) MAC Filtering with 3 MAC's allowed, 4)
    Disabled UPnP, 5) Disabled WAN Ping respond, and 5) default username and
    password changed.

    Any ideas as to what may be causing this?

    Thanks in advance

    Dave, Oct 8, 2008
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  2. Dave

    Barb Bowman Guest

    Hiding the SSID is no real deterrent, nor is mac filtering. WEP also
    is not safe. I'd recommend WPA2 or at least WPA.

    That said, some routers can reboot when under external attack. Or a
    brownout or undervoltage can do strange things.


    Barb Bowman
    Barb Bowman, Oct 8, 2008
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  3. Hi
    Actually it is not such a bad thing warm reboot clean the memory from GIGO
    and the Router works smoother.
    However if it keep doing it I would look into new hardware, it might
    indicate hardware problem.
    Jack (MS, MVP-Networking)
    Jack \(MVP-Networking\)., Oct 8, 2008
  4. Dave

    smlunatick Guest

    I too have a D-Link router (DIR-615) and it also "restarts" by itself
    periodically. I believe that my router might be receiving a reset
    command over the wireless network as part of interferance.

    WEP should not be used.
    smlunatick, Oct 8, 2008
  5. Dave

    John Guest

    How do you know for sure that there's no power interruption? Is the device
    connected to battery backed power supply (UPS)?
    I agree with everyone else... bad security but hey, it's your network.
    John, Oct 8, 2008
  6. Dave

    Franc Zabkar Guest

    FWIW, I have a D-Link DSL-302G ADSL modem/router. It has two
    supervisor ICs, one to detect the Vcc of the CPU, the other to detect
    the unregulated +12V supply from the AC adapter. AFAICS, it should be
    possible for the CPU to keep going during a brownout while being aware
    that the AC power has dipped. Perhaps the modem does some emergency
    housekeeping when it detects an AC power failure.

    - Franc Zabkar
    Franc Zabkar, Oct 8, 2008
  7. Dave

    Barb Bowman Guest

    well, if you can't completely rule out power failures, that would be
    my first guess. anything in the router log of interest?

    It can't hurt to get a UPS device that provides backup power and see
    if that makes a difference. If it does, then you avoid the headache,
    if it doesn't, it may be time to replace the equipment.


    Barb Bowman
    Barb Bowman, Oct 9, 2008
  8. Dave

    Franc Zabkar Guest

    I should qualify my previous post by first agreeing that behaviour
    during a brown-out can be unpredictable. Secondly, I've seen a photo
    of a D-Link DSL-500G or DSL-502G modem which uses the same circuit
    board as my own DSL-302G, yet it omits the second supervisor IC, ie
    the one that detects a dip in the AC supply. So one flavour of the
    same PCB is aware of AC power failures while another is not.

    One clue as to the nature of the OP's problem may be in whether the
    log is stored in volatile or non-volatile memory, and whether there
    are any entries preceding the reboot. If volatile, then one would
    expect that a "cold" power-on reboot would clear the log whereas a
    "warm" reboot may or may not.

    - Franc Zabkar
    Franc Zabkar, Oct 9, 2008
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