The interface is no longer listed in the command output. How can you determine that the interface is a trunk port using the show vlan command? S1(config- if)# switchport mode trunk Question: Because the router was configured with multiple subinterfaces assigned to different VLANs, the switch port connecting to the router must be configured as a trunk.
The switch is not yet configured with a trunk port that is connected to the router. Verify that the subinterfaces are now active.Ĭlose configuration window Part 3: Test Connectivity with Inter-VLAN Routing Step 1: Ping between PC1 and PC3. Therefore, in order to enable subinterfaces, you must enable the physical interface that they are associated with. Subinterfaces are virtual interfaces that are associated with a physical interface.