Can't access ATT BGW320 after adding 3 AP7's to my FWG

It may be coincidental, but after upgrading my network by adding 3 FW AP7's and a managed POE switch I can not longer access the ATT BGW 320 admin page. I'm trying to access it from a wired lccal network connection to my PC, not using WiFi. I noticed this after I saw that the FWG internet speed tests had started to fail. ATT is fiber on ISP 1 on my box; and I can run the speed test fine on ISP 2 (failover to a mobile hotspot). I know I should be able to access the BGW by plugging it in directly to my laptop, but would like a more convenient fix. Current topology is BGW 320-500 in passthrough>FWG>TP Link TLSG2110MPE>AP7's.