Undoing Commands; Obtaining Help - Dell Force10 Z9000 Configuration Manual

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Undoing Commands

When you enter a command, the command line is added to the running configuration file (running-config).

To disable a command and remove it from the running-config, enter the no command, then the original command. For example, to

delete an IP address configured on an interface, use the no ip address ip-address command.

NOTE: Use the help or ? command as described in

Example of Viewing Disabled Commands

Dell(conf)#interface tengigabitethernet 4/17

Dell(conf-if-te-4/17)#ip address 192.168.10.1/24

Dell(conf-if-te-4/17)#show config

interface TenGigabitEthernet 4/17

ip address 192.168.10.1/24

Dell(conf-if-te-4/17)#no ip address

Dell(conf-if-te-4/17)#show config

interface TenGigabitEthernet 4/17

no ip address

Layer 2 protocols are disabled by default. To enable Layer 2 protocols, use the no disable command. For example, in PROTOCOL

SPANNING TREE mode, enter no disable to enable Spanning Tree.

Obtain a list of keywords and a brief functional description of those keywords at any CLI mode using the ? or help command:

To list the keywords available in the current mode, enter ? at the prompt or after a keyword.

Configuration Fundamentals