Thank you very much for your extreme proactivety to help me! Well, I found the problem. The Macs and swtiches configurations was ok, but I found out that MACs have problems with inter-Vlan connection because they kind of lost DNS direction, when dealing with multi subnets, since they use Bonjour protocol. So the solution was to enable "Bonjuour Forwarding" to every Vlan and every service on Meraki dashboard!!! " Bonjour forwarding enables interVLAN communication between Bonjour devices and applications on your LAN. Natively, Bonjour functions on a single subnet; Bonjour forwarding removes this limitation by forwarding the multicast DNS traffic between the client and service VLANs as needed." https://documentation.meraki.com/MX/Other_Topics/Configuring_Bonjour_forwarding_for_the_MX_Security_Appliance https://documentation.meraki.com/MX/Other_Topics/Configuring_Bonjour_forwarding_for_the_MX_Security_Appliance_in_Passthrough_mode Well, the problem is solved. But I still wonder if adding other DNS configs to every individual MACs can also solve this problem. Thank you everybody!
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