A VTAP interface provides the data source input of a port mirror or SMON statistics collection. VTAP creation is the mechanism for adding a MIB-II interface table entry for a VLAN. When creating a VTAP interface, the specified VLAN is assigned a MIB-II ifIndex. A VLAN will not have a MIB-II ifIndex if a VTAP interface does not exist for it. Use the set vlan interface command to create a VTAP interface.
This example shows how to create a non-volatile MIB-II interface entry mapped to VLAN 1:
System(rw)->set vlan interface 1 create System(rw)->show vlan interface 1 VLAN MIB-II Interfaces Max Interfaces : 16 Current Interfaces : 1 VLAN Port Storage Type ------------------------------------- 1 vtap.0.1 non-volatile System(rw)->