Brand: D-Link
Category: Networking
Document Type: Manual
Language: EN
Manual for DGS-1250 Series
Uploaded: Sept. 12, 2025, 4:27 a.m.
Manual Publish Date: 2019-07-01
Warranty Information
This manual provides information for the DGS-1250 Series Gigabit Ethernet Smart Managed Switch.
This manual provides descriptions of the software features for the DGS-1250 Series Switch, specifically focusing on the Web User Interface (Web UI). It guides users through initial setup using the Smart Wizard, covering Web Mode selection, IP configuration, user account management, and SNMP settings. It also details various system settings, port configurations, and advanced features like VLANs, STP, QoS, ACLs, and security options. The guide is intended for network administrators and IT professionals familiar with Ethernet and networking principles.
Troubleshooting and error codes
| Log Description | Severity |
|---|---|
| Event Description: SNMP request received with invalid community string. Log Message: SNMP request received from <ipaddr> with invalid community string |
Informational |
| Event Description: The SSH server is enabled. Log Message: SSH server is enabled |
Informational |
| Event Description: The SSH server is disabled. Log Message: SSH server is disabled |
Informational |
| Event Description: Storm occurrence. Log Message: <Broadcast | Multicast | Unicast> storm is occurring on <interface-id> |
Warning |
| Event Description: Storm cleared. Log Message: <Broadcast | Multicast | Unicast> storm is cleared on <interface-id> |
Informational |
| Event Description: Port shut down due to a packet storm. Log Message: <interface-id> is currently shut down due to the <Broadcast | Multicast | Unicast> storm |
Warning |
| Event Description: This log will be generated when system warm start. Log Message: System warm start |
Critical |
| Event Description: This log will be generated when system cold start. Log Message: System cold start |
Critical |
| Event Description: This log will be generated when system start up. Log Message: System started up. |
Critical |
| Event Description: Successful login through Telnet. Log Message: Successful login through Telnet (Username: <username>, IP: <ipaddr>) |
Informational |
| Event Description: Login failed through Telnet. Log Message: Login failed through Telnet (Username: <username>, IP: <ipaddr>) |
Warning |
| Event Description: Logout through Telnet. Log Message: Logout through Telnet (Username: <username>, IP: <ipaddr>) |
Informational |
| Event Description: Telnet session timed out. Log Message: Telnet session timed out (Username: <username>, IP: <ipaddr>) |
Informational |
| Event Description: When a new voice device is detected on an interface. Log Message: New voice device detected (<interface-id>, MAC: <mac-address>) |
Informational |
| Event Description: When an interface that is in auto voice VLAN mode joins the voice VLAN. Log Message: <interface-id> add into voice VLAN <vid> |
Informational |
| Event Description: When an interface leaves the voice VLAN and at the same time, no voice device is detected in the aging interval for that interface, the log message will be sent. Log Message: <interface-id> remove from voice VLAN <vid> |
Informational |
| Event Description: Successful login through Web. Log Message: Successful login through Web (Username: <username>, IP: <ipaddr>) |
Informational |
| Event Description: Login failed through Web. Log Message: Login failed through Web (Username: <username>, IP: <ipaddr>) |
Warning |
| Event Description: Web session timed out. Log Message: Web session timed out (Username: <username>, IP: <ipaddr>) |
Informational |
| Event Description: Logout through Web. Log Message: Logout through Web (Username: <username>, IP: <ipaddr>) |
Informational |
| Event Description: Successful login through Web (SSL). Log Message: Successful login through Web (SSL) (Username: <username>, IP: <ipaddr>) |
Informational |
| Event Description: Login failed through Web (SSL). Log Message: Login failed through Web (SSL) (Username: <username>, IP: <ipaddr>) |
Warning |
| Event Description: Web (SSL) session timed out. Log Message: Web (SSL) session timed out (Username: <username>, IP: <ipaddr>) |
Informational |
| Event Description: Logout through Web (SSL). Log Message: Logout through Web (SSL) (Username: <username>, IP: <ipaddr>) |
Informational |