What are the recommended settings when you have two nodes connected back to back with ethernet, but they might connect with each other intermittently over RF?
I have two nodes on the same channel, a CPE710 with a 7 degree antenna and a CPE510 with a 45 degree antenna. The radios are about 4 feet apart facing away from each other on the same channel, and also connected by an ethernet cable. The CPE710 points outward to a nearby mountaintop node and has a good signal. The CPE510 points back into my house and also has a good signal to a node at my desk. The CPE710 has the Min SNR set to 0 and the CPE510 Min SNR feature is disabled and visible in the UI (see my previous post about that.)
The problem seems to arise when the and CPE510 connect to each other, and the RF signal is weak enough to result in a "currentLinkStatus"="ASYMMETRIC". At the this point the "linkQuality" is "1" (even though is all the other RF links that are SYMMETRIC show a linkQuality that is a float between 0.0 and 1.0) and a "linkCost"=4194304.
I thought that the routing table would be set up in such a way that the state of the RF link would be basically ignored if the LAN link was up (or ignored altogether since it almost always be faster than an ethernet interface)? In other words, as in other routing protocols, the LAN Instead, I can't reach the CPE710 until the RF link between it and the CPE510 is back up, i.e. "SYMMETRIC".
I suppose I would set the min LQ on the CPE510 to some value, to just force it not to connect the CPE710.
Or maybe the wired interface is not communicating? There is a "br-dtdlink" subinterface on each end if the wired connection, and each one shows up in the other's arp table and is pingable.
I have two nodes on the same channel, a CPE710 with a 7 degree antenna and a CPE510 with a 45 degree antenna. The radios are about 4 feet apart facing away from each other on the same channel, and also connected by an ethernet cable. The CPE710 points outward to a nearby mountaintop node and has a good signal. The CPE510 points back into my house and also has a good signal to a node at my desk. The CPE710 has the Min SNR set to 0 and the CPE510 Min SNR feature is disabled and visible in the UI (see my previous post about that.)
The problem seems to arise when the and CPE510 connect to each other, and the RF signal is weak enough to result in a "currentLinkStatus"="ASYMMETRIC". At the this point the "linkQuality" is "1" (even though is all the other RF links that are SYMMETRIC show a linkQuality that is a float between 0.0 and 1.0) and a "linkCost"=4194304.
I thought that the routing table would be set up in such a way that the state of the RF link would be basically ignored if the LAN link was up (or ignored altogether since it almost always be faster than an ethernet interface)? In other words, as in other routing protocols, the LAN Instead, I can't reach the CPE710 until the RF link between it and the CPE510 is back up, i.e. "SYMMETRIC".
I suppose I would set the min LQ on the CPE510 to some value, to just force it not to connect the CPE710.
Or maybe the wired interface is not communicating? There is a "br-dtdlink" subinterface on each end if the wired connection, and each one shows up in the other's arp table and is pingable.
IMHO, do not share or overlap RF channels among nodes at the same site.
73, Chuck
As an experiment I set up the CPE710 about 20 feet away, 10 feet higher, and about 120 degrees off-axis behind the CPE510 and aimed both at my nearby mountaintop node; the CPE510 was well outside the CPE710's "beam". There was no noticeable change in the CPE510's Lq/NLQ/link speed. Both associated to the distant node, OLSR blocked one of the paths. The two radios were not connected by ethernet.
Why are you operating 2 radios on the same channel at the same site?