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Solved
Ethernet backhaul between RBR750 ard RBS750 broken mysteriously
My setup is simple and standard. RBR750 connected to the cable modem (its WiFi turned off), and then I have a RBS750 connected to via ethernet. Suddenly, the RBS750 started going AWOL and switch...
Ok. Hopefully something works. Ive found wirelessly connecting first with the RBS and letting them sync, then ethernet connect the RBS while they are near the RBR with a good quality LAN cable, CAT6, helps test the link between the RBS and RBR. Once they are check and seeing Wired Status on the RBR, then I turn the RBS OFF and move them to there normal remote locations.
Yes, it's a MAC address handling between any router and modem. Just one quick extra step I've found that is good to as a "while your in there" kind of thing. Seem odd things happen at the modem level. Power cycle can help avoid these.
I will give your suggestion a "one more try" before sledge hammering the RBS750. Thanks FURRYe38. (Yup, I do wait for the blue LED when synching the RBS before connecting the ethernet.)
QQ, what is the reason for the "I would power OFF the ISP modem for 1 minute." This kind of suggestion is common. Is it because the ISP modem is doing some sort of MAC address association of the RBR750? I thought it was merely assigning IP via DHCP.
Ok. Hopefully something works. Ive found wirelessly connecting first with the RBS and letting them sync, then ethernet connect the RBS while they are near the RBR with a good quality LAN cable, CAT6, helps test the link between the RBS and RBR. Once they are check and seeing Wired Status on the RBR, then I turn the RBS OFF and move them to there normal remote locations.
Yes, it's a MAC address handling between any router and modem. Just one quick extra step I've found that is good to as a "while your in there" kind of thing. Seem odd things happen at the modem level. Power cycle can help avoid these.