Operation Manual – Port Basic ConfigurationH3C S3100 Series Ethernet Switches Chapter 1 Port Basic Configuration1-12III. Configuration procedureNote:z Only the configuration for Switch A is listed below. The configuration for Switch B issimilar to that of Switch A.z This example supposes that VLAN 2, VLAN 6 through VLAN 50 and VLAN 100 havebeen created.# Enter Ethernet 1/0/1 port view. system-view[Sysname] interface ethernet1/0/1# Set Ethernet 1/0/1 as a trunk port.[Sysname-Ethernet1/0/1] port link-type trunk# Allow packets of VLAN 2, VLAN 6 through VLAN 50 and VLAN 100 to passEthernet1/0/1.[Sysname-Ethernet1/0/1] port trunk permit vlan 2 6 to 50 100# Configure the default VLAN ID of Ethernet1/0/1 to 100.[Sysname-Ethernet1/0/1] port trunk pvid vlan 1001.3 Troubleshooting Ethernet Port ConfigurationSymptom: Fail to configure the default VLAN ID of an Ethernet port.Solution: Take the following steps.z Use the display interface or display port command to check if the port is a trunkport or a hybrid port.z If the port is not a trunk or hybrid port, configure it to be a trunk or hybrid port.z Configure the default VLAN ID of the port.