HP V1910 User Manual page 52

# On Switch B, configure local ports GigabitEthernet 1/0/2 connecting with switch A, GigabitEthernet
1/0/1 connecting with Switch C, and GigabitEthernet 1/0/3 connecting with Switch D as stack ports.
 Select IRF from the navigation tree of Switch B to enter the page of the Setup tab.
Configure stack ports on Switch B
d.
In the Port Settings area, select the check boxes before GigabitEthernet1/0/1, GigabitEthernet1/0/2,

and GigabitEthernet1/0/3.
Click Enable.

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