ZyXEL Communications XGS-4728F - Manual (Page 257)

Chapter 27 Loop Guard
XGS-4728F User’s Guide
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port N. The Switch will shut down port N if it detects that the probe packet has
returned to the Switch.
Figure 136 Loop Guard - Network Loop
Note: After resolving the loop problem on your network you can re-activate the
disabled port via the web configurator (see Section 8.7 on page 89 ) or via
commands (see the Ethernet Switch CLI Reference Guide).
27.2 Loop Guard Setup
Click Advanced Application > Loop Guard in the navigation panel to display the
screen as shown.
Note: The loop guard feature can not be enabled on the ports that have Spanning
Tree Protocol (RSTP, MRSTP or MSTP) enabled.
Figure 137 Advanced Application > Loop Guard
A
P
P
N
P