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ccna books.ipaddressdhcpsetroute: the same command, but also requests and installs a default route to the upstream device. If the interfaceconnects to an upstream DSL device that can provide PPPoE services. then it can discover its IP address using the following.ip address pppoe: Interface configuration command that requests an IP address from the upstream device.ip address pppoe setroute: the same command but also requests and installs a default route to the upstream device.Note: The ASA5505 with a basic license does not allow the creation of three full-featured VLAN interfaces. However, the third "restricted" VLAN interface cannot be created until the no forward interface vlan command is configured first. This command restricts this interface from initiating contacts to other VLANs. Therefore, when internal and external VLAN interfaces are configured, you must enter the noforwardinterface vlanms corpse command before entering the nameif command on the third interface. This number parameter specifies a VLANID,and that VALN interface cannot initiate traffic. A security-enhanced license is required to achieve full functionality.Layer 2 ports must be assigned to a VLANo By default, all Layer 2 switching ports are assigned to VLANlo Therefore, in order to change the default VLAN assignment, the Layer 2 ports must be configured with the following commands.switchport access vlan vlan-id*. Changes the port from the default VLAN 1 to another VLAN.no shutdown: enables the Layer 2 port.Note: Run the configuration to display the switchportaccessvlan command only for interfaces whose VLAN membership has changed from the default VLAN 1. The switchport access vlan1 command is not displayed for interfaces that belong to the default VLAN 1.9.2.2.3 Verifying Basic Settings