4 port loopback detection troubleshooting, Oopback, Etection – PLANET XGS3-24042 User Manual
Page 97: Roubleshooting
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9-7
If adopting the control method of block, MSTP should be globally enabled. And the corresponding relation
between the spanning tree instance and the VLAN should be configured.
Switch(config)#spanning-tree
Switch(config)#spanning-tree mst configuration
Switch(Config-Mstp-Region)#instance 1 vlan 1
Switch(Config-Mstp-Region)#instance 2 vlan 2
Switch(Config-Mstp-Region)#
9.4 Port Loopback Detection Troubleshooting
The function of port loopback detection is disabled by default and should only be enabled if required.
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