Chapter 7
| Spanning Tree Algorithm
Configuring Global Settings for STA
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If an interface is shut down due to a detected loopback, and the release mode
is set to “Auto,” the selected interface will be automatically enabled when the
shutdown interval has expired.
If an interface is shut down due to a detected loopback, and the release mode
is set to “Manual,” the interface can be re-enabled using the Release button.
Web Interface
To configure loopback detection:
1. Click Spanning Tree, Loopback Detection.
2. Click Port or Trunk to display the required interface type.
3. Modify the required loopback detection attributes.
4. Click Apply
Figure 106: Configuring Port Loopback Detection
Configuring Global Settings for STA
Use the Spanning Tree > STA (Configure Global - Configure) page to configure
global settings for the spanning tree that apply to the entire switch.
Command Usage
◆ Spanning Tree Protocol
2
This option uses RSTP set to STP forced compatibility mode. It uses RSTP for the
internal state machine, but sends only 802.1D BPDUs. This creates one
spanning tree instance for the entire network. If multiple VLANs are