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Switch(config-If-Ethernet1/1)#ulpp group 1 master
Switch(config-If-Ethernet1/1)#ulpp group 2 slave
Switch(config-If-Ethernet1/1)#exit
Switch(Config)#interface Ethernet 1/2
Switch(config-If-Ethernet1/2)#switchport mode trunk
Switch(config-If-Ethernet1/2)# ulpp group 1 slave
Switch(config-If-Ethernet1/2)# ulpp group 2 master
Switch(config-If-Ethernet1/2)#exit
SwitchB configuration task list:
Switch(Config)#interface ethernet 1/1
Switch(config-If-Ethernet1/1)#switchport mode trunk
Switch(config-If-Ethernet1/1)# ulpp flush enable mac
Switch(config-If-Ethernet1/1)# ulpp flush enable arp
SwitchC configuration task list:
Switch(Config)#interface ethernet 1/2
Switch(config-If-Ethernet1/2)# switchport mode trunk
Switch(config-If-Ethernet1/2)# ulpp flush enable mac
Switch(config-If-Ethernet1/2)# ulpp flush enable arp
52.4 ULPP Troubleshooting
At present, configuration of more than 2 multi-uplinks is allowed, but it may cause loopback, so
is not recommended.
With the normal configuration, if the broadcast storm happen or the communication along the
ring is broken, please enable the debug of ULPP, copy the debug information of 3 minutes and
the configuration information, send them to our technical service center.
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