Cisco WS-C3560E-24PD-E Command Reference - Page 652
switchport access
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switchport access Chapter 2 Catalyst 3560 Switch Cisco IOS Commands switchport access Use the switchport access interface configuration command to configure a port as a static-access or dynamic-access port. If the switchport mode is set to access, the port operates as a member of the specified VLAN. If set to dynamic, the port starts discovery of VLAN assignment based on the incoming packets it receives. Use the no form of this command to reset the access mode to the default VLAN for the switch. switchport access vlan {vlan-id | dynamic} no switchport access vlan Syntax Description vlan vlan-id vlan dynamic Configure the interface as a static access port with the VLAN ID of the access mode VLAN; the range is 1 to 4094. Specify that the access mode VLAN is dependent on the VLAN Membership Policy Server (VMPS) protocol. The port is assigned to a VLAN based on the source MAC address of a host (or hosts) connected to the port. The switch sends every new MAC address received to the VMPS server to get the VLAN name to which the dynamic-access port should be assigned. If the port already has a VLAN assigned and the source has already been approved by the VMPS, the switch forwards the packet to the VLAN. Defaults The default access VLAN and trunk interface native VLAN is a default VLAN corresponding to the platform or interface hardware. A dynamic-access port is initially a member of no VLAN and receives its assignment based on the packet it receives. Command Modes Interface configuration Command History Release 12.1(19)EA1 Modification This command was introduced. Usage Guidelines The no switchport access command resets the access mode VLAN to the appropriate default VLAN for the device. The port must be in access mode before the switchport access vlan command can take effect. An access port can be assigned to only one VLAN. The VMPS server (such as a Catalyst 6000 series switch) must be configured before a port is configured as dynamic. 2-620 Catalyst 3560 Switch Command Reference 78-16405-05