Static IPs are useful for connecting to the "home" site. If our main office is offline for some reason, it is nice to be able to quickly connect via cellular OoB.
I agree that other solutions (dial-home, or private network) make sense for satellite sites. thanks, -Randy ----- On Feb 7, 2018, at 12:47 PM, Chris Marget ch...@marget.com wrote: > Lots of references to static IPs from cellular providers for OoB access in > this thread. Why? It seems like a dial-home scheme is an obvious solution > here, whether it's Opengear's Lighthouse product, openvpn, or whatever... > > Do you all have a security directive that demands whitelisted IP addresses? > > I've got a handful of OoB systems that dial home via cellular, but only > after they've been poked by SMS. Opengear's auto-response facilitates that, > and I've done it with EEM (to start DMVPN) on Cisco ISRs. > > The main headache I've run into is that it's tough to get a SIM card from > ATT that does data and SMS: ATT's M2M plans don't allow SMS, and moving the > SIM from an iPhone to "a computer" causes the SMS capability to vanish. My > ATT OoB boxes (used only where Verizon is reported to not work) are online > all the time.
