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C-5
Switch Memory and Configuration
Using the CLI To Implement Configuration Changes
Switch Memory and
Configuration
If you use the CLI to change a parameter setting, and then execute the boot
command without first executing the
write memory command to save the
change, the switch prompts you to specify whether to save the changes in the
current running-config file. For example:
The above prompt means that one or more parameter settings in the running-
config file differ from their counterparts in the startup-config file and you need
to choose which config file to retain and which to discard.
■ If you want to update the startup-config file to match the running-config
file, press [Y] for “yes”. (This means that the changes you entered in the
running-config file will be saved in the startup-config file.)
■ If you want to discard the changes you made to the running-config file so
that it will match the startup-config file, then press [N] for “no”. (This
means that the switch will discard the changes you entered in the running-
config file and will update the running-config file to match the startup-
config file.)
Note If you use the CLI to make a change to the running-config file, you must use
the
write memory command to save the change to the startup-config file. That
is, if you use the CLI to change a parameter setting, but then reboot the switch
from either the CLI or the menu interface without first executing the
write
memory
command in the CLI, the current startup-config file will replace the
running-config file, and any changes in the running-config file will be lost.
Also, where a parameter setting is accessable from both the CLI and the menu
interface, if you change the setting in the CLI, the new value will appear in the
menu interface display for that parameter. However, only the
write memory
command in the CLI will actually save the change to the startup-config file.
Using the
Save command in the menu interface will not save a change made
to the running config by the CLI.
SMC TigerSwitch 10/100(config)# interface e 1 disable
SMC TigerSwitch 10/100(config)# boot
Device will be rebooted, do you want to continue [y/n]? y
Do you want to save current configuration [y/n]?
Press to continue the rebooting process.
You will then see this prompt.
Disables port 1 in the running configuration, which causes port 1 to block all traffic.