Odd network problem!

[Rob Iles <rob.iles@xxxxxxxxx>]

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)


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