%LINEPROTO-5-UPDOWN

00:15:46: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to upSwitch(config-if-range)#switchport nonegotiateSwitch(config-if-range)#switchport trunk native vlan 1Switch(config-if-range)#! Exit Back to Priviledge EXEC to verifySwitch(config-if-range)#end!Use the following command to verify what interfaces are enabled for trunkingSwitch#show interface trunk