Re: Wireless networking for my home xp900

On Aug 17, 1:53 pm, John Wallace <johnwalla...@xxxxxxxxxxx> wrote:
On Aug 17, 4:35 pm, Jojimbo <jjgessl...@xxxxxxxxx> wrote:

Due to some residential reorganization, my xp900 will be moving
further away from the network hub.  This will make having an actual
wire very inconvenient for network connectivity.  Is there some device
I can use to let the xp900 join my already established wireless net?
Any suggestions appreciated.

Thanks,  Jim

You've already got an existing Access Point (AP) so I'm not sure about
Ian's suggestion you need another AP.

I've just abandoned powerline networking. The kit I had, some Zyxel or
other, suffered excessive packet loss between upstairs and downstairs.
As I understand it, there are very few chipsets which do this
powerline game, and they just modulate Ethernet packets onto the mains
wires, with no additional error checking and correction, in particular
no forward error correction. Thus if the received signal is poor, bits
are corrupted and therefore packets will be lost, which leads to
retransmission delays with TCP, and to completely lost data with UDP.
Web browsing was lumpy, DNS requests would fail (DNS = 3 retries
only?) and I couldn't make VNC connections stay up very long, for
example. You may have better luck,  but based on my experience I'm not
recommending it. Because it's not doing anything IP-oriented it may
offer the chance to use non-IP stuff such as DECnet, LAT, clusters,
etc.

The reason I had the little powerline network was to connect the LAN
switch in the upstairs workroom with the AP/router connecting to the
outside world. Prior to the powerline I had a Linksys "Wireless
Ethernet Transceiver" WET11 connecting the upstairs switch to the
downstairs router. It had ye olde security (WEP not WPA) which is why
I wanted it replaced.


Anyone able to shed more light on stuff for this which does work OK
with non-IP traffic?

I wonder if you just had wiring problems of some kind, or if your
particular powerline equipment had issues. I've watched for problems
at home and except for weather events that cause power fluctuations,
and (in one location) when our air conditioner cycles on, I've
recorded no errors. The overall throughput does vary a bit, for
reasons not making themselves known via monitoring (I get 9-10 Mbps,
not the rated 14).

I have had to unplug and replug my 'central' bridge twice in the last
two years to bring the net up after a power outage and messy recovery,
but thats it; it just runs.

The low-end Netgear units use 56-bit DES encryption, so its not overly
secure, but then the 'area' of vulnerability is also smaller, and
someone has to connect your (or a close neighbor's) power wiring to
intercept.

In my case I replaced a pair of DEC Roamabouts in a bridge
configuration; the original 915MHz Wavelan units that peaked at
2Mbps. They worked just fine, though slow, but dragging around that
contraption (on a board, with power supply, antenna, etc) wherever I
wanted a netcam got to be a real pain. And that had no encryption
(though I doubt many wardrivers are equipped to detect or hack 915MHz
signals!)
.

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