New Zealand Broadband Mailing List


RE: Wireless Experience/Update

From: Adam Warner <lists_at_consulting.net.nz>
Date: 14 Jul 2001 16:59:14 +1200
Message-Id: <995086754.1592.2.camel@work>

On 14 Jul 2001 16:34:56 +1200, Matthew G Brown wrote:
> Ok, When we build networks the principle of " Never to much or to little " &
> " Right tool for the right job " Over powering a CPE install ( Thats you )
> can have all sorts of problems. For one your radio becomes incredibly
> sensitive to its suroundings. Secondly the increased sensitivity and the
> already powerfull signal from the wireless POP ( There point of presence,
> 1km away ) can make your radio recieve the packets twice, once down the
> mouth of the antenna and secondly from a bounce of a surounding object. When
> this happens most radios trash the packet and request it again, Called a DUP
> packet.

Thanks for the info. I doubt I'm getting those kind of problems. You
should also be aware there is a large pine tree in the way of the
antenna.

Here's some ping statistics (if packets were being trashed would these
be so low?):

--- www.win.co.nz ping statistics ---
10 packets transmitted, 10 packets received, 0% packet loss
round-trip min/avg/max = 6.0/6.1/6.7 ms

--- xtra.co.nz ping statistics ---
13 packets transmitted, 13 packets received, 0% packet loss
round-trip min/avg/max = 9.9/12.5/19.5 ms

--- www.ihug.co.nz ping statistics ---
10 packets transmitted, 10 packets received, 0% packet loss
round-trip min/avg/max = 10.0/12.3/14.1 ms

--- idg.co.nz ping statistics ---
10 packets transmitted, 10 packets received, 0% packet loss
round-trip min/avg/max = 19.9/20.9/23.2 ms

US seems to be about a 350ms roundtrip at the moment.

Regards,
Adam

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Received on Sat Jul 14 16:58:06 2001


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