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Smart Vision Oddity - Machines Cannot Intermittently Connect

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  • 18-04-2007 11:06pm
    #1
    ixoy
    Moderators, Entertainment Moderators Posts: 17,993 Mod ✭✭✭✭


    Wondering if anyone else has had this problem that we're experiencing with Smart's SmartVision product:

    They've wired up the apartment for broadband. There are 8 points in the house that are connected into one of 4 slots in a LinkSys Gateway router in the wall - there's 2 in each of 4 rooms. So you could have 2 data points in one bedroom, 1 in another, 1 in the living room or many other combos.

    Lately (particularly since a new laptop was introduced), we've had problems acquiring IP addresses for different machines. One machine will be plugged directly into one of the network connections and work. Plug a different machine, or laptop, and suddenly that won't work. It's happened to each of the machines in the place now and there always seems one that's knocked out.

    When we run an /ipconfig on the machine-that-connect-connect (MTCC), it shows up an IP address. Fiddling with it, it looks like a cached IP address because it's the one the machine last had or it's the one I changed it to when testing a theory out. It also lists various other details - default gateway, DHCP server, etc. However, if we try to ping these from the MTCC we get nothing. Similarly, an /ipconfing renew does nothing.

    The MTCC might not be able to connect for a period of 1 day or even more - one machine was out for nearly 4 before suddenly it got reconnected. In the interim, we attempted a variety of solutions: swap the connections into the router, plug the machines into different ports, plug out and thus reboot the router and nothing worked. The machine regaining its IP address co-incided with nothing that we could pinpoint.

    Since it's always one specific machine, I'd hazard a guess that the apartment's router is screwing up based on MAC address. It's seeing the MTCC as connected in its internal tables and so when the MTCC tries to re-connect, it isn't assigned a new IP address. The MTCC then can't connect to the router to get an address since the router thinks it's already connected.
    Would have thought though that this IP address would be unassigned after a period of 24 hours or so but that doesn't seem the case.

    Anyone experienced an issue like this before or an idea what may be up? It's annoying being knocked out a lot and support is generally shut by the time we get home.


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    #2
    dub45
    Moderators, Technology & Internet Moderators Posts: 12,448 Mod ✭✭✭✭dub45


    Have you tried http://support.smarttelecom.ie/forums/index.php??


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    #3
    ixoy
    Moderators, Entertainment Moderators Posts: 17,993 Mod ✭✭✭✭ixoy


    Had a look there - there's someone with the exact same problem in the same complex. Looks like they've messed up on some issues.


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    #4
    bk
    Moderators, Motoring & Transport Moderators, Technology & Internet Moderators Posts: 22,718 Mod ✭✭✭✭bk


    I believe you can only use 4 of the 8 connections at any one time.

    If you need to connect more devices* then you need to put your own switch at each port.

    * I'm not going to say PC's because you might have other cool devices like Slingbox, Sqeezebox, X-Box 360, Tivo, etc.


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