Dell Force10 Z9000 FTOS Configuration Guide for Z9000 System - Page 34

www.dell.com | support.dell.com The do Command Enter an EXEC mode command from any CONFIGURATION mode (CONFIGURATION, INTERFACE, SPANNING TREE, etc.) without returning to EXEC mode by preceding the EXEC mode command with the command do. Figure 2-4 illustrates the do command. Note: The following commands cannot be modified by the do command: enable, disable, exit, and configure. Figure 2-4. Using the do Command FTOS(conf)#do show linecard all "do" form of show command -- Line cards -- Slot Status NxtBoot ReqTyp CurTyp Version Ports 0 not present 1 not present 2 online online E48TB E48TB 1-1-463 48 3 not present 4 not present 5 online online E48VB E48VB 1-1-463 48 Undoing Commands When you enter a command, the command line is added to the running configuration file. Disable a command and remove it from the running-config by entering the original command preceded by the command no. For example, to delete an ip address configured on an interface, use the no ip address ip-address command, as shown in Figure 2-5. Note: Use the help or ? command as discussed in Obtaining Help command to help you construct the "no" form of a command. Figure 2-5. Undoing a command with the no Command FTOS(conf)#interface gigabitethernet 4/17 FTOS(conf-if-gi-4/17)#ip address 192.168.10.1/24 FTOS(conf-if-gi-4/17)#show config ! interface GigabitEthernet 4/17 IP address assigned ip address 192.168.10.1/24 no shutdown "no" form of IP address command FTOS(conf-if-gi-4/17)#no ip address FTOS(conf-if-gi-4/17)#show config ! IP address removed interface GigabitEthernet 4/17 Layer 2 protocols are disabled by default. Enable them using the no disable command. For example, in PROTOCOL SPANNING TREE mode, enter no disable to enable Spanning Tree. 34 | Configuration Fundamentals