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6 Configuration
6.
Move to VLAN 100 configuration mode.
7.
Change VLAN 100 from the active status to the inactive status.
8.
Move to Ethernet interface 0/1 configuration mode.
9.
Remove VLAN ID 100 from the defined accessed VLANs.
Figure 6-11 Example of disabling and reinstating functionality
(config)# interface fastethernet 0/1
!(config-if)# shutdown
!(config-if)# speed 100
!(config-if)# duplex full
!(config-if)# no shutdown
!(config-if)#
1.
Disable the interface.
2.
Set the transmission speed to 100 Mbit/s.
3.
Set
4.
Enable the interface.
(2) Command syntax check
When you enter a configuration command, the system immediately checks whether the
input configuration contains any errors. If there are no errors, the prompt shown in Figure
6-12 Output for a correct configuration appears, ready for command input. If you are editing
a running configuration, the edited contents take effect immediately.
If an error is found in the input configuration, an error message indicating the nature of the
error appears in the line below the entered command, as shown in Figure 6-13 Error
message output for an incorrect configuration. In this case, the edited configuration does
not take effect. Correct the error and re-enter the configuration command.
Figure 6-12 Output for a correct configuration
(config)# interface fastethernet 0/1
!(config-if)# description TokyoOsaka
!(config-if)#
Figure 6-13 Error message output for an incorrect configuration
(config)# interface fastethernet 0/1
!(config-if)# description
Error: Missing parameter.
!(config-if)#
6.4.5 Saving to the configuration file
You can save the edited running configuration to the startup configuration file using the
(
save
write
shows an example of saving a configuration.
Figure 6-14 Example of saving configuration (save command)
# configure
(config)#
:
:
:
!(config)# save
(config)#
1.
Start editing the running configuration.
70
full
(full-duplex mode) for
^
) configuration command or the
...1
...2
...3
...1
...2
...3
...4
duplex
.
operation command. The following figure
copy
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