I'm having the same problem on the Collaboration 11 lab, except that the 10.10.20.100 DNS server is not available. I can't ping it when connected to the VPN, and when I log into one of the CUCM servers (10.10.20.1 for example), the home page displays the following in bold red: "WARNING: DNS unreachable" I suspect there is a problem with the lab.

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My laptop is connected to WiFi but no internet access and

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