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Re: Guest Wireless does not prompt to login if DNS is changed

by in Wireless
‎May 20 2024 11:51 AM
‎May 20 2024 11:51 AM
We changed it on the DHCP server, not locally.  Forgot to mention this issue of no prompting for the login portal happens on the Meraki wireless not the WLC base wireless. As long as we have that static entry defined, the existing wlc based wireless works fine in either scenario.  However, for the new meraki wireless, it does not prompt if the DNS is set to the firewall gateway.  The new Meraki wireless shouldn’t depends on any 1.1.1.1 virtual address.  I am curious why it changed the client DNS to 127.0.0.1 instead of the gateway. ... View more

Guest Wireless does not prompt to login if DNS is changed

by in Wireless
‎May 20 2024 11:14 AM
‎May 20 2024 11:14 AM
Coexistence of WLC based and Meraki Wireless APs.   We are trying to reconfigure our guess wireless so it does not use internal DNS server. We couldn't use OpenDNS because we still need to statically define an entry to resolve a wireless.domain.com to virtual address 1.1.1.1 so it is compatible with our existing WLC based wireless. We decided to host the DNS server on our Firewall which support DNS server services so that we can statically define that entry. The IP address of the DNS is also the gateway of the wireless client.   If we leave the DHCP assigned DNS to use our internal address, guest wireless will prompt to login to portal.  DNS entry of the clients shows the internal DNS servers correctly. However, if we change DHCP assigned DNS to use our firewall gateway which hosts the DNS server, guess wireless will not prompt to login to portal and get on the web without authentication.  DNS entry of the clients shows 127.0.0.1 instead.    What could be the cause of this? Is there a pre-authentication ACL that we need to configure? Thank you.   ... View more
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