1. Introduction
The MikroTik RB4011 Ethernet 10-Port Gigabit Router (RB4011iGS+RM) is a powerful networking device designed for robust performance. It features a quad-core Cortex A15 CPU, 1GB of RAM, ten 1 Gbps Ethernet ports, and an SFP+ port for optional 10 Gbps connectivity. This device is engineered to handle complex RouterOS tasks efficiently within a compact, solid metal enclosure. The RB4011iGS+RM model includes rackmount ears for secure installation in a standard 1U rack space.
2. Safety Information
Please read these safety instructions carefully before operating the device to prevent damage and ensure proper function.
- Always connect the device to a power source within the specified voltage range (18-57V DC).
- Ensure adequate ventilation around the device to prevent overheating. Do not block ventilation openings.
- This device is intended for indoor use only. Do not expose it to water, moisture, or extreme temperatures.
- Avoid placing the device near heat sources or in direct sunlight.
- Only use accessories and power adapters approved by MikroTik.
3. Package Contents
Verify that all items are present in your product package:
- MikroTik RB4011iGS+RM Router Unit
- Power Adapter
- Two Rackmount Ears
- Mounting Screws for Rackmount Ears
4. Hardware Overview
The RB4011iGS+RM features a robust design with clearly labeled ports and indicators for easy management.
Front Panel
The front panel includes ten Gigabit Ethernet ports, an SFP+ port, and various LED indicators.
Figure 4.1: Front view of the RB4011iGS+RM router, highlighting the 10 Gigabit Ethernet ports, SFP+ cage, power LED, and reset button.
- PWR LED: Indicates power status.
- RESET Button: Used for factory reset or mode changes.
- SFP+ Port: For 10 Gigabit fiber or direct attach copper modules (not included).
- Ethernet Ports 1-10: Ten 1 Gbps Ethernet ports. Port 10 supports Passive PoE output.
- LED Indicators (1-10): Indicate link/activity status for each Ethernet port.
Rear Panel
The rear panel provides connections for power and console access.
Figure 4.2: Rear view of the RB4011iGS+RM router, showing the DC power input and RJ45 console port.
- DC IN: Power input jack (18-57V).
- CONSOLE: RJ45 serial console port for direct management.
Rackmount Ears
The included rackmount ears allow for secure installation of the router in a standard 1U rack.
Figure 4.3: The two rackmount ears provided for mounting the RB4011iGS+RM in a server rack.
5. Setup
Follow these steps for the initial setup of your MikroTik RB4011 router:
- Unpack the Device: Carefully remove the router and all accessories from the packaging.
- Connect Power: Connect the provided power adapter to the DC IN port on the rear of the router and plug it into a power outlet. The PWR LED on the front panel should illuminate.
- Connect Ethernet: Connect an Ethernet cable from your computer to any of the Ethernet ports (e.g., port 2) on the router.
- Access RouterOS: Open a web browser and navigate to the default IP address (usually
192.168.88.1). Alternatively, download and use the WinBox utility from the MikroTik website for a more comprehensive management interface. - Initial Configuration: Upon first access, RouterOS will prompt you for initial configuration. Follow the on-screen prompts to set up basic network parameters, including an administrator password. It is highly recommended to change the default password immediately.
- Rack Installation (Optional): If rack mounting, attach the two rackmount ears to the sides of the router using the provided screws. Then, secure the router into a standard 1U rack space.
6. Operating
The MikroTik RB4011 operates on RouterOS, a highly versatile and feature-rich operating system. After initial setup, you can configure various network functions through the WebFig interface or WinBox utility.
- Network Configuration: Configure WAN and LAN settings, DHCP server, DNS, and firewall rules.
- Port Management: Utilize the ten Gigabit Ethernet ports for various network segments. The SFP+ port allows for high-speed fiber or direct attach copper connections.
- PoE Output: Port 10 supports Passive PoE output, which can power compatible devices.
- IPsec Hardware Acceleration: The device's CPU supports IPsec hardware acceleration, enhancing VPN performance.
- Advanced Features: RouterOS offers extensive features including VLANs, QoS, VPNs, routing protocols (OSPF, BGP), and scripting capabilities. Refer to the MikroTik Wiki and documentation for detailed configuration guides.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your RB4011 router.
- Firmware Updates: Periodically check the MikroTik website for RouterOS updates. Keeping the firmware updated ensures access to the latest features, security patches, and performance improvements.
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or aerosols. Ensure ventilation slots are free from dust and debris.
- Ventilation: Ensure the device is placed in an area with good airflow. Do not obstruct the ventilation grilles on the chassis.
- Backup Configuration: Regularly back up your RouterOS configuration to an external storage device or network location. This allows for quick restoration in case of data loss or device replacement.
8. Troubleshooting
This section addresses common issues you might encounter with your RB4011 router.
- No Power: If the PWR LED is off, ensure the power adapter is securely connected to both the router and a working power outlet. Verify the power outlet is active.
- No Network Connectivity: Check Ethernet cable connections. Verify that the link/activity LEDs on the router ports are illuminated. Ensure your computer's network settings are configured to obtain an IP address automatically (DHCP).
- Cannot Access RouterOS: Confirm your computer is connected to an Ethernet port on the router. Try pinging the default IP address (
192.168.88.1). If unsuccessful, try accessing via WinBox, which can discover MikroTik devices on the local network. - Slow Performance: Check CPU and memory usage in RouterOS. Ensure there are no excessive background processes or misconfigurations. Consider updating RouterOS to the latest stable version.
- Forgotten Password: If you forget your RouterOS password, you may need to perform a factory reset.
Factory Reset
To perform a factory reset:
- Disconnect the power adapter from the router.
- Press and hold the RESET button on the front panel.
- While holding the RESET button, reconnect the power adapter.
- Continue holding the RESET button until the PWR LED starts flashing, then release it. The device will boot with default factory settings.
9. Specifications
| Feature | Specification |
|---|---|
| Model | RB4011iGS+RM |
| CPU | Quad-core Cortex A15, 1400 MHz |
| RAM | 1 GB |
| Ethernet Ports | 10 x 1 Gbps Ethernet ports |
| SFP+ Ports | 1 x 10 Gbps SFP+ cage |
| PoE In | Passive PoE (18-57 V) |
| PoE Out | Passive PoE on Port 10 |
| Max Power Consumption | 33 W |
| Dimensions | 228 x 120 x 30 mm (8.98 x 4.72 x 1.18 inches) |
| Weight | 1.39 pounds (0.63 kg) |
| Operating System | RouterOS |
| IPsec Hardware Acceleration | Supported |
10. Warranty and Support
MikroTik products are covered by a manufacturer's warranty. For detailed warranty terms and conditions, please refer to the official MikroTik website or the documentation included with your purchase.
For technical support, firmware downloads, and additional resources, visit the official MikroTik website. The MikroTik Wiki and user forums are also valuable resources for configuration examples and community support.
- Official MikroTik Website: https://mikrotik.com/
- MikroTik Wiki: https://wiki.mikrotik.com/
