Switch Administration Guide
- Switch 1.3.0
- Product Overview
- Package Contents
- Technical Specifications
- Supported SonicWall and third-party SFP and SFP+ Modules
- Physical Interface - 8 Port Switch
- Physical Interface - 10 Port Switch
- Physical Interface - 24 Port Switch
- Physical Interface - 48 Port Switch
- Device Management
- Connecting the Switch to a Network
- Capacity Matrix
- System Management
- System
- Switching
- Routing
- Security
- VLAN
- Logging
- Diagnostics
- System Maintenance
- Switch Troubleshooting
- SonicWall Support
Loopback Detection
Loopback Detection (LBD) is a feature on the switch that provides protection against loops by transmitting loop protocol packets out of ports where loop protection has been enabled. When the switch sends out a loop protocol packet and then receives the same packet, it shuts down the port that received the packet. LBD operates independently of Spanning Tree Protocol (STP). After a loop is discovered, the port that received the loops is placed in the Shut Down state. A trap is sent and the event is logged.
Settings | Select whether to enable or disable the Loop back detection on the Switch. |
State | Display the Port status is normal or blocked by LBD function. |
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