BRIDGE CONFIGURATION ON MIKROTIK ROUTER

Bridge Configuration on MikroTik Router

A bridge in MikroTik allows multiple interfaces to be grouped together, functioning as a single network. This is useful for scenarios like combining multiple Ethernet ports, VLANs, or wireless interfaces into one logical network.

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Step 1: Create a Bridge

1. Via WinBox (GUI):

   • Go to Bridge > Bridge tab.
   • Click Add (+) and name the bridge (bridge1).
   • Click OK.

2. Via CLI (Terminal):

   /interface bridge add name=bridge1


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Step 2: Add Ports to the Bridge

1. WinBox (GUI):

   • Go to Bridge > Ports tab.
   • Click Add (+).
   • Select the interface (e.g., ether2) to add to the bridge.
   • Choose bridge1 as the bridge.
   • Click OK.
   • Repeat for other interfaces (e.g., ether3, ether4).

2. CLI (Terminal):

   /interface bridge port add bridge=bridge1 interface=ether2
/interface bridge port add bridge=bridge1 interface=ether3
/interface bridge port add bridge=bridge1 interface=ether4


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Step 3: Assign an IP Address to the Bridge (Optional)

If the bridge needs an IP address (for management or routing):

1. WinBox:

   • Go to IP > Addresses.
   • Click Add (+).
   • Set the Address (e.g., 192.168.1.1/24).
   • Choose bridge1 as the interface.
   • Click OK.

2. CLI:

   /ip address add address=192.168.1.1/24 interface=bridge1


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Step 4: Enable DHCP Server (Optional)

If the bridge should provide IP addresses via DHCP:

1. WinBox:

   • Go to IP > DHCP Server.
   • Click DHCP Setup, select bridge1, and follow the wizard.

2. CLI:

   /ip pool add name=dhcp_pool ranges=192.168.1.2-192.168.1.254
/ip dhcp-server add name=dhcp1 interface=bridge1 address-pool=dhcp_pool disabled=no
/ip dhcp-server network add address=192.168.1.0/24 gateway=192.168.1.1


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Step 5: Enable STP/RSTP (Optional for Loop Prevention)

1. WinBox:

   • Go to Bridge > Bridge tab.
   • Select bridge1, click Settings, and set Protocol Mode to RSTP or STP.

2. CLI:

   /interface bridge set bridge1 protocol-mode=rstp


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Step 6: Save Configuration

To save your settings:

or manually click Save in WinBox.

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Step 7: Verify the Bridge

1. Check bridge status:
   /interface bridge print

2. Check bridge ports:
   /interface bridge port print

3. Check assigned IP:
   /ip address print


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Now your MikroTik router is running a bridge, allowing multiple interfaces to function as a single network. Let me know if you need any modifications or VLAN integration!

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