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Cisco Meraki Documentation

Configuring Custom DNS for an SSID in NAT Mode

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When an SSID is configured in NAT mode, wireless clients will point to the MR access point (AP) as their DNS server. The AP then acts as a DNS proxy, and will forward clients' DNS queries to its configured DNS server. This article shows how to set custom DNS servers for a NAT mode SSID, rather than using the AP's DNS server. This is typically used to forward NAT mode SSID clients to a DNS server with custom content filtering.

Configuration

  1. Navigate to Wireless > Configure > Access control in Dashboard
  2. Choose the desired SSID from the drop-down menu at the top of the page
  3. Under Client IP and VLAN, select Meraki AP assigned (NAT mode)
  4. For Custom DNS servers, enter the preferred custom DNS IP addresses. A maximum of 2 DNS servers can be specified
    custom dns.PNG
  5. Click Save to apply the settings

Note: Wireless clients will still be assigned the AP's internal IP 10.128.128.128 as their DNS server IP. This configuration customizes the destination server of the AP's DNS proxy.