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CF-871
Cisco IOS Configuration Fundamentals Command Reference
July 2008
• The show running-config command does not display this value.
• The show running-config all displays this output: cdp holdtime 180.
If the Cisco Discovery Protocol holdtime is changed to a nondefault value (for example, 100), the output
of the show running-config and show running-config all commands is the same; that is, the configured
parameter is displayed.
Note In Release 12.2(33)SXH, implementation of the all keyword expands the output to include some of the
commands that are configured with default values. In subsequent Cisco IOS releases, additional
configuration commands that are configured with default values will be added to the output of the show
running-config all command.
Cisco 7600 Series Router
In some cases, you might see a difference in the duplex mode that is displayed between the show
interfaces command and the show running-config command. The duplex mode that is displayed in the
show interfaces command is the actual duplex mode that the interface is running. The show interfaces
command displays the operating mode for an interface, and the show running-config command displays
the configured mode for an interface.
The show running-config command output for an interface might display the duplex mode but no
configuration for the speed. This output indicates that the interface speed is configured as auto and that
the duplex mode shown becomes the operational setting once the speed is configured to something other
than auto. With this configuration, it is possible that the operating duplex mode for that interface does
not match the duplex mode that is displayed with the show running-config command.
Examples The following example shows the configuration for serial interface 1:
Router# show running-config interface serial 1
Building configuration...
Current configuration:
!
interface Serial1
no ip address
no ip directed-broadcast
no ip route-cache
no ip mroute-cache
shutdown
end
The following example shows the configuration for Ethernet interface 0/0. Line numbers are displayed
in the output.
Router# show running-config interface ethernet 0/0 linenum
Building configuration...
Current configuration : 104 bytes
1 : !
2 : interface Ethernet0/0
3 : ip address 10.4.2.63 255.255.255.0
4 : no ip route-cache
5 : no ip mroute-cache
6 : end