Ideally the Mikrotik router should be able to route connections from such devices without the inefficiencies of network address translation (NAT). There is no "undo" functionality, though you should be able to re-create an accidentally removed setting by using printed information.There are occasions when a device (eg a VoIP phone, a server or another router) that is connected to a LAN interface of a Mikrotik router requires a public IP address. However, take care not to remove settings you didn't create. If you've made a mistake, you can remove your settings with the steps below. ip firewall nat add action=dst-nat chain=dstnat in-interface=ether1 dst-address=10.2.0.201 to-addresses=192.168.5.11 ip address add address=10.2.0.201/32 interface=ether1 Two commands are used, one to add the address and another for the port forwarding rule. The address 10.2.0.201 is added and mapped to 192.168.5.11 in this example. The first device can use the normal WAN IP: /ip firewall nat add action=dst-nat chain=dstnat in-interface=ether1 dst-address=10.2.0.200 to-addresses=192.168.5.10Īll other devices require adding another IP address to the MikroTik router and a NAT rule that maps the new address to an internal device. This requires IT to allocate multiple addresses for use by the OT network. ip firewall nat add action=dst-nat chain=dstnat in-interface=ether1 dst-address=10.2.0.200 to-addresses=192.168.5.11 protocol=tcp dst-port=8443 to-ports=443Īnother way is to use multiple IP addresses on the WAN side. The 192.168.5.10 device gets an unmodified mapping for ports 80 and 443, but the 192.168.5.11 device has a mapping of port 8443 on the WAN side to port 443 internally. One way is to map different ports on the WAN IP address. The examples below will use 192.168.5.11 as a second internal device. If you need multiple devices, there is more than one way to do it. ip firewall nat add action=dst-nat chain=dstnat in-interface=ether1 dst-address=10.2.0.200 to-addresses=192.168.5.10 protocol=tcp dst-port=80,443 In the command below, the port forwarding is restricted to TCP ports 80 and 443 (HTTP and HTTPS). ![]() You may want to restrict it to specific ports. ip firewall nat add action=dst-nat chain=dstnat in-interface=ether1 dst-address=10.2.0.200 to-addresses=192.168.5.10 ![]() In these examples, the internal device is 192.168.5.10. If you only need to access one device on the internal network from the WAN side, all you need is one NAT rule. The WAN IP address for the MikroTik router is 10.2.0.200/24.The Connect internal network has a subnet 192.168.5.0/24.Change the values in the example command as needed. These will probably not be the same as on your network. Newer documentation: NAT - RouterOS - MikroTik Documentationįor the examples, the network information below will be used. Older documentation: Manual:IP/Firewall/NAT - MikroTik Wiki The MikroTik documentation for this is here: Terminal configuration for port forwardingĪ commonly used feature that OneView currently does not support (though it is planned to be added in the near future) is port forwarding. Log out of the MikroTik management GUI by clicking the "door" icon in the top right corner.Regarding the expiration of credentials, if you keep the "Terminal" window open and ensure that you don't navigate away from it, you will not be logged out and can can continue using the terminal even after the credentials have expired.Enter the username and password provided to you on OneView.( Note: The credentials shown on the page will expire after 10 minutes.) You will be provided with the proxy URL and router credentials. The Manual Management button navigates to the same page. ![]() In version 4.5.1-222 or newer, another way to reach this page is via the advanced router menu under System > Config of the sidebar. Navigate to the MikroTik router management GUI by adding the following path to the URL: /#!/customized/routergui
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