RTS AND FRAG... hmm im no amateur but I have never touched these settings should I be I mean I normally don't run into any major packetloss and get pretty good throughput on congested ap's (400kbit - 2mbit) ranging from .5 miles up to about 7 miles we use pacwireless backfires on outdoor sb's or now we use sb total's our ap is SB's with 8.5db smartant omni's
I noticed that lowering dialapower does seem to help packetloss some maybe those long runs with it pushing little power trying to broadcast high power is just not feasible :)
-----Original Message-----
From: Tom Haynes [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 27, 2003 7:46 PM
To: [EMAIL PROTECTED]
Try setting the Fragmentation to around 600 and RTS/CTS to 350 on the
airBridge unit. Leave the settings the same on the AP. Make sure you are
using an 18v power supply on both ends. Turn the 'Dial-a-power' down about
10% on both units (about 3 ticks in the GUI). Are there other clients
associated with this AP? If so, set the other clients RTS/CTS to around 500
for the near ones and 350 for those over 1 mile.
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
On Behalf Of Support(at)inet2000.com
Sent: Tuesday, May 27, 2003 5:59 PM
To: [EMAIL PROTECTED]
Subject: [smartBridges] Poor Rate
I have a airBridge Outdoor at about 8 miles that's consistenly showing
numbers of 82% RSSI (-25dbi) and 92% Link Quality, yet it often drops to 2
Mbit per second and stays there. It's connected with a 24 dB Andrews Grid
on a 60 Foot tower over fairly open fields to the AP that's on a 180 foot
building that's clearly (Visually) in line of site. There are some trees
about a half a mile away, but at 60' up the tower, I'm way over them. Even
up 40' I can see over them to the main AP, so there should not be any
substantial fresnel zone issues I don't think.
I have tried setting the radio to 1 Mbit and 5.5 Mbit and it still seems to
switch up and down from 1 to 11 at will, regardless of the settings I
choose. Mostly though, it seems to have decided to stay at 2 Mbit.
Like I say, my rates drop to 2 Mbit and I can't ping packets larger than
about 128 bytes to the radio with any consistency. If I go to 256 byte
packets, I loose 25% of them. If I ping with 384 byte packets, I'll lose
50% of them. This is my first SmartBridge, plus it's my longest link, so
I'm not sure what to expect at that distance. Any suggestions / help would
be appreciated. Thank you.
Todd Chamberlain
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