Driving Test Networking Router Configuration Manual¶
I. Document Information¶
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Document Name: Driving Test Networking Router Configuration Manual
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Product Models: ER815, IR315
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Firmware Versions: V2.0.2 (ER815), V1.0.111 (IR315)
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Applicable Scenarios: Equipment networking, self-built L2TP-VPN
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Writing Date: March 20, 2026


II. Gateway Overview¶
2.1 Product Introduction¶
In this scenario, the router product is mainly used for vehicle driving test equipment networking and self-built L2TP-VPN tunnel in the driving test networking scenario.
2.2 Main Functions¶
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Provide network for vehicle driving test equipment
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Self-built VPN tunnel encrypted transmission between branch end and central end
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Remote configuration, remote diagnosis, remote upgrade
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Wide temperature industrial-grade design
2.3 Typical Application Topology¶

III. Hardware Description¶
3.1 Appearance and Interfaces¶
- Power interface: 12V/3A DC (EC815), 9-48V (IR315)
- Network ports: ER815 LAN ×5 (WAN/LAN configurable ×2), IR315 LAN×4 WAN×1
- Wireless: 4G/5G/Wi-Fi (optional)
- Indicator lights: PWR, RUN, NET, signal strength
- Reset button: Restore factory settings
3.2 Wiring Instructions¶
3.2.1 Power Wiring¶
- Positive: V+
- Negative: V-
- Note: Reverse polarity protection, lightning protection, grounding
3.2.2 Ethernet Wiring¶
Direct/crossover adaptive, recommends Cat5e or higher network cables.
IV. Factory Default Parameters¶
- Default IP: 192.168.2.1
- Subnet mask: 255.255.255.0
- Web username: adm
- Web password: Random password, refer to corresponding equipment nameplate
V. Preliminary Preparation¶
- Set computer to same network segment IP as gateway
- Connect computer to gateway LAN port with network cable
- Power on gateway, wait for RUN light to illuminate steadily
- Enter gateway IP in browser to access configuration page

VI. Network Configuration¶
6.1 IR315 Configuration¶
- Insert SIM card (supports NB-IoT/4G)
- Enable mobile network
- APN: Automatic / Manual entry
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View signal strength

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Set VLAN address to 192.168.1.1

- Set L2TP-VPN tunnel
L2TP server address, username and password need to be filled in according to actual situation

- VPN connection successful effect is as follows

6.2 ER815 Configuration¶
- Connect wired network to ER815 wan1 port

- Set local VLAN address to 172.16.33.1

- Set L2TP-VPN server

- Peer connection successful effect is as follows

VII. Import Router Configuration¶
Configuration files are in the config directory