In other words, cache records will expire unconditionally after cache-max-TTL time. Otherwise, only the router itself will use DNS configuration. Specifies whether to allow router usage as a DNS cache for remote clients. 'dns-none' configured under DNS servers on 'GW' DHCP server network configuration - the device will not forward any of the dynamic DNS servers to `LAN` devices ĭNS facility is used to provide domain name resolution for the router itself as well as for the clients connected to it.Īllow-remote-requests ( yes | no Default: no).You configure DNS servers on the 'GW' DHCP server network configuration - the device will give configured DNS servers to `LAN` devices (also '/ip dns set allow-remote-requests=yes ' must be enabled).You do not configure any DNS servers on the 'GW' DHCP server network configuration - the device will forward the DNS server IP address configuration received from `ISP` to `LAN` devices.The GW is RouterOS based device with the default configuration: Let us take as an example the following setup: Internet service provider (ISP) → Gateway (GW) → Local area network (LAN). There are several options on how you can manage DNS functionality on your LAN - use public DNS, use the router as a cache, or do not interfere with DNS configuration. When DNS server allow-remote-requests are used make sure that you limit access to your server over TCP and UDP protocol port 53 only for known hosts.

Routeros 7 beta