ZyXEL Communications GS1920 User Handbook Manual page 38

4. select which port to be add in MSTI, configure the priority to decide which port
should be disabled when one port or more forms a loop in a switch the higher
the priority value will be disabled first. Path cost is the cost of transmitting. Click
Add to save the configuration.
Figure 4, Advanced Application > Spanning-Tree Protocol > MSTP
5. Click the Instance 0 then configure which port should run STP features.
Figure 5, Advanced Application > Spanning-Tree Protocol > MSTP
Verify
1. Please click the Status icon on the upper right of the web page. It will display
the MSTP port status of the switch.
Figure 6, Status (Quick Button)
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