TP-Link 10GE T1700G-28TQUN V1 CLI Reference Guide - Page 29

2. Each command mode has its own set of specific commands. To configure some commands, you should access the corresponding command mode firstly.  Global Configuration Mode: In this mode, global commands are provided, such as the Spanning Tree, Schedule Mode and so on.  Interface Configuration Mode: In this mode, users can configure one or several ports, different ports corresponds to different commands a). Interface gigabitEthernet/ten-gigabitEthernet: Configure parameters for an Ethernet port, such as Duplex-mode, flow control status. b). Interface range gigabitEthernet/ten-gigabitEthernet: Configure parameters for several Ethernet ports. c). Interface link-aggregation: Configure parameters for a link-aggregation, such as broadcast storm. d). Interface range link-aggregation: Configure parameters for multi-trunks. e). Interface vlan: Configure parameters for the vlan-port.  VLAN Configuration Mode: In this mode, users can create a VLAN and add a specified port to the VLAN. 3. Some commands are global, that means they can be performed in all modes:  show: display all information of switch, for example: statistic information, port information, VLAN information. 1.3 Privilege Restrictions This switch's security is divided into four privilege levels: User level, Power User level, Operator level and Admin level. You can define username and password pairs, and assign a specific privilege level to each pair. Different privilege levels have access to specified commands, which is illustrated in the Privilege Requirement in each command. For details about how to configure usename and password pairs, please refer to user name (password) and user name (secret). Users can enter Privileged EXEC mode from User EXEC mode by using the enable command. In default case, no password is needed. In Global Configuration Mode, you can configure password for Admin level by enable password command. Once password is configured, you are required to enter it to access Privileged EXEC mode. 13