Click the Modify Port tab and then perform the following operations, as shown in b.
Add GigabitEthernet 1/0/1 to VLAN 100
b.
Select interface GigabitEthernet 1/0/1 in the Select Ports field.
Click on the Untagged radio button in the Select membership type field.
Type 100 for VLAN IDs.
Click Apply. A configuration progress dialog box appears, as shown in c.
Configuration progress dialog box
c.
After the configuration process is complete, click Close.
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