tivos not seeing each other on wifi

I have 3 tivos. I was connecting them with wireless bridges to a netgear router. I have since upgraded to a RT-AC87U. Since then the units will see the other tivos but not the programing. Unplugging the wireless bridges and replugging them in seems to cure the issue. My bridges are model number wumc710. Any suggestions out there? My bridges and router all have the up to date firmware.