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Chapter 5 Access Control List Screens
5.20 Loop Guard Setup
Click ACL > Loop Guard in the navigation panel to display the screen as shown.
The loop guard feature cannot be enabled on ports that have Spanning Tree
Protocol (RSTP or MSTP) enabled.
Figure 73 ACL > Loop Guard
The following table describes the labels in this screen.
Table 37 ACL > Loop Guard
LABEL
Port
Status
Mode
Time
134
DESCRIPTION
This column lists the management switch card's Gigabit Ethernet interfaces.
Enable or disable loop guard for this individual port.
Select the port mode for loop guard.
If you select fix, the system shuts down the port when the system detects that
packets sent out on the port loop back to the system. To activate the port again, you
need to manually enable the port in the corresponding port setup screen.
If you select dynamic, the system shuts down the port if the system detects that
packets sent out on the port loop back to the system. The port becomes active
automatically after the time you specified in the Time field.
Enter the time (in seconds) a port in dynamic mode waits to become active again
after shut down by the system.
MSC1000G/1024G/1224G Series User's Guide
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Troubleshooting
