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 Subject :How does the mesh determine who is a neighbor and who is a remote?.. 2013-03-16- 14:14:42 
N7FV
Member
Joined: 2012-06-01- 16:50:02
Posts: 7
Location: Utah

I have been using 3 routers(all WRT54G v1, v2 and v3).  #1 on the roof  #2 in the front room and #3 for testing in the car.  I often have problems getting one of the routers to be a neighbor. (its not always the same router)  often I can get #1 and #2 to be neighbors and have to access #3 as a remote even if they are all sitting together on the same table.

 #1 and #2 were flashed 6 mo ago and were updated to the latest firmware. #3 was just purchased and flashed this week with the latest firmware.   I just used the stock setup and only changed the name and password on all 3

The problem is that we have about 7 nodes in the neighborhood and I will run one router off an invertor in the car and mount another on a 30 foot fiberglass pole and set it up around the neighborhood to see if a location can be found to connect all 7.  About half the time the one in the car and the one on the pole are neighbors and testing is great. The other half the time they wont be neighbors and testing comes to a halt.  I even have situations where I leave the pole setup and drive to where I get access to a router in the neighborhood and when I search the mesh the one on the pole shows up as a remote!, but I cant get it while in line of sight and even on a level plane (pole not extended)

Sorry for the long post, but I do appreciate your help

N7FV

Cory

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 Subject :Re:How does the mesh determine who is a neighbor and who is a remote?.. 2013-05-12- 11:05:38 
va3idl
Member
Joined: 2013-04-14- 07:22:02
Posts: 23
Location
The way OLSR defines who is neighbor is by hearing the special packets that other node is broadcasting. Because ACK functionality is not disabled in HSMM-MESH, it MUST be a 2-way communication. After having determined who is our neighbor as for the definition above it talks to them to find out who else is on the network. Those are 'remote'. One thing I could suggest for your tests, if you ping continuously the IP of the other 'neighbor' node while moving your antennas. This way you will sort out the radio issues, as neighbors will be pingable right away as long as the radio link is on.
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