Brand: D-Link
Category: Networking
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for DGS-3120
Uploaded: Sept. 12, 2025, 4:19 a.m.
Manual Publish Date: 2011-03-01
Warranty Information
Warranty information is not explicitly detailed in the provided pages.
Web-based Switch Configuration
- Login to the Web Manager using the switch's IP address.
- The user interface is divided into three areas: Menu, Main Web-Manager, and Information Area.
- Main folders include System Configuration, Management, L2 Features, L3 Features, QoS, ACL, Security, Network Application, OAM, and Monitoring.
System Configuration
- Device Information: Displays MAC Address, Firmware Version, Hardware Version, etc.
- System Information Settings: Configure System Name, Location, and Contact.
- Port Configuration: Details include Port Settings (Speed/Duplex, Flow Control, etc.), Port Description, Port Error Disabled, and Jumbo Frame Settings.
- PoE: Supports IEEE 802.3af and 802.3at, with features like Auto-discovery and Active circuit protection. Settings include PoE System Settings and PoE Port Settings.
- Serial Port Settings: Adjust Baud Rate and Auto Logout.
- Warning Temperature Settings: Configure system warning temperature parameters.
- System Log configuration: Enable/disable system logs and choose save mode.
Troubleshooting and error codes
| Category | Event Description | Log Information | Severity | Remark |
|---|---|---|---|---|
| System | System started up | [Unit <unitID>,] System started up | Critical | |
| System | System warm start | [Unit <unitID>,] System warm start | Critical | |
| System | System cold start | [Unit <unitID>,] System cold start | Critical | |
| Upload/Download | Firmware upgraded successfully | [Unit <unitID>,] Firmware upgraded by console successfully (Username: <username>, IP: <ipaddr>) | Informational | "by console" and "IP: <ipaddr>" are XOR shown in log string, which means if user login by console, there will no IP information for logging. |
| Loopback Dection | Port loop occurred | Port <[unitID:]portNum> LBD loop occurred. Port blocked | Critical |