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Chapter 7
Configuring IP Unnumbered on IEEE 802.1Q VLANs
The following example enables IP unnumbered on a range of VLAN subinterfaces:
interface range fastethernet0/0.11 - fastethernet0/0.60
encapsulation dot1q 101
ip unnumbered ethernet 0
Monitoring and Maintaining IP Unnumbered Ethernet VLAN
Subinterfaces
To monitor and maintain IP unnumbered Ethernet VLAN subinterfaces, enter any of the following
commands in privileged EXEC mode:
Command
Router# show interfaces type number
slot/module/port.subinterface
Router# show running-config
Router# show running-config [interface type
number]
Router# show vlans
OL-2226-23
Monitoring and Maintaining IP Unnumbered Ethernet VLAN Subinterfaces
Purpose
Displays information about the interface you specify.
Displays the contents of the currently running configuration file.
Displays the configuration for a specific interface.
Displays information about VLAN subinterfaces.
Cisco 10000 Series Router Software Configuration Guide
7-5
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Troubleshooting
