Been working on migrating DNS for our guest wireless from an internal Umbrella VA to Umbrella Public DNS. For the most part, it works. Issue is devices get a cert error when they hit a blocked page. I'm being told this will be the behavior unless we install the Cisco Root CA cert on devices - obviously not possible since this is just meant to be a guest network.
Any suggestions on another DNS/content filtering solution that could leverage our existing Cisco WLC/AP deployment?
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