Configuration to open UDP ports 123, 500, and 4500 on a NSA240
Adding a T-Mobile 4G LTE CellSpot and it won't connect. I have been informed that it needs UDP ports123, 500 ans 4500. It is plugged hardwired into port X7 on the NSA240. I can log into the NSA240 as admin.
The T-Mobile CellSpot uses DHCP.
tia for any help!