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C. Router CLI Commands, Codes, and Designations
9700-A2-GB20-20 December 2002 C-7
[no] ip unnumbered [null 0]
Minimum Access Level: Administrator
Command Mode: config-subif
Enables or disables IP processing on a serial sub-interface without assigning an explicit
address. The no ip unnumbered command removes any IP address assigned to the
interface and disables IP processing on the interface. The default is that IP processing is
disabled.
Example: ip unnumbered
When an interface IP address and subnet mask are deleted via the no ip unnumbered
command, any routing entries with a Next Hop Router address that fall within the
interface’s address range are deleted automatically.
[no] frame-relay interface-dlci
dlci-num
Minimum Access Level: Administrator
Command Mode: config-subif
Specifies or removes a DLCI on a sub-interface configured for frame relay encapsulation.
Only one DLCI may be configured per sub-interface.
Example: frame-relay interface-dlci 103
dlci-num
– Any valid DLCI number that is not already in use on the interface. Range for
DLCI numbers is 16–1007. The default is None.
Table C-4. Interface Commands (3 of 3)