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is there any way to determine the optimal settings for the wireless cards in a olsr mesh? I've been setting up an independent mesh network with about approximately 15 modes and these node sit within about a 1 square mile area. Each of these nodes is using an Avila GW2345 router board (ixp425 @ 533mhz) with Atheros radios. <BR>
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I've noticed from time to time that if the nodes get placed close to each other I end up with lots of collisions and poor overall network throughput. Now if I set a node approximately 1.5 miles away, the same settings do not work and I have to tweak them once again, even though I have really good signal strength (35-40 rssi). <BR>
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The main settings I've been adjusting is the RTS setting, and most references I've found to it, set it to around 250 B, they also recommend a fragmentation setting of 256. The 250 RTS setting seems to work great when the nodes are concentrated, but very poorly at long distances. I haven't had much luck at all with the fragmentation setting. While it seems to actually work and I can ping the nodes, if I try to ssh into any of the nodes it never works. I also have cameras on these nodes and I cannot stream with the fragmentation setting turned on, or at least I haven't found a frag setting that lets me stream.<BR>
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Anyone got any pointers of references to guides for optimal ad hoc settings?
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