Issue is that none of the Wi-Fi clients receive an answer to their DHCP request (Windows 10, Apple iOS, and Apple MacOS Tested). The MR45 devices are DHCP themselves do receive an IP from the same DHCP Server, in the same VLAN. Access Points: MR45 Firmware: MR 25.13 Switch: Cisco C2960XR Ver: 15.2(2)E4 SSID in Bridge mode, with VLAN Tagging. AP Tags for APs, setting VLAN ID to 3 Cisco port config: interface switchport trunk native vlan 3 switchport mode trunk srr-queue bandwidth share 1 30 35 5 priority-queue out mls qos trust dscp auto qos trust interface Vlan3 ip address ###.###.3.254 255.255.255.0 ip helper-address ###.###.1.15 DHCP Server is Windows Server 2008 R2, no errors logged in the event log from the DHCP-Server. 60% of the IP addresses in range of DHCP Scope are available. Wi-Fi clients joining the same VLAN from Cisco AP devices do not have the same issue. Side note: I have a different SSID for a guest network, on the same Meraki APs set at Bridge Mode as well, but the DHCP request are handled local to the VLAN. This is working with no issues.
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