Re: Odd network problem!

["Andy" <andywhitfield2002@xxxxxxxxxxx>]

An appliance with a large motor can draw a very large start up
current.  Maybe 3-5 times the running current.  Maybe this is causing a dip
in the mains voltage?
Can you try a UPS on the hub?
Andy

--- In ukha_d@xxxxxxx, Rob Iles <rob.iles@...> wrote:
>
> Hi All,
>
> I'm looking to pick your collective brains!
>
> I have a BT Home Hub 3. Plugged into this (GigE port) is a ~15Metre
Cat5
> cable that runs to a Netgear 10/100/1000 switch. All works fine...
>
> Until we use one particular vacuum cleaner (Henry). Regardless of
which
> power socket the cleaner is plugged into, using it causes the link
light on
> the switch to turn off. Rebooting switch / router /modem (BT Infinity)
do
> not bring it back (Cleaner unplugged). This is 100% repeatable, and
occurs
> on 1000 & 100 ports.
>
> The only way to bring it back up (and this works every time) is to:
>
> 1. Unplug network cable from switch.
> 2. Unplug other end from router.
> 3. Plug laptop directly into router with a patch lead, pause, and it
gets a
> connection and DHCP lease.
> 4. Disconnect laptop, reconnect 15Metre cable into laptop.
> 5. Reconnect laptop to other end of 15Metre cable (skipping this step
> doesn't work). It gets a lease.
> 6. Disconnect laptop, plug same cable into switch, and the port lights
up
> and all connected kit starts working again!
> WiFi is unaffected throughout, so it's not the router freezing.
>
> Any suggestions as to why this may be happening, and how to resolve
it?
>
> Eagerly awaiting any & all suggestions :-)
>
> Rob
>
> --
> Rob Iles
> Harmony Automation (www.domialifestyle.com)
> myBBS (www.mybbs.co.uk)
>
>
> [Non-text portions of this message have been removed]
>




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