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Cisco 819 Series Integrated Services Router Software Configuration Guide
OL-23590-02
Chapter 5 Basic Router Configuration
Configuring a Loopback Interface
Push Button in WLAN AP
When the push button on the front panel is pressed, WLAN AP will perform both image and
configuration recovery.
To perform image recovery, WLAN will go into the boot loader so that the user can download the image
from the bootloader prompt.
To perform configuration recovery, WLAN AP will overwrite the contents of flash:/config.txt with the
contents of flash:/cpconfig-ap802.cfg file if available in flash drive. Otherwise, flash:/config.txt will
be deleted.
Configuring the Fast Ethernet LAN Interfaces
The Fast Ethernet LAN interfaces on your router are automatically configured as part of the default
VLAN and are not configured with individual addresses. Access is provided through the VLAN. You
may assign the interfaces to other VLANs if you want. For more information about creating VLANs, see
the
“Configuring the Ethernet Switches” section on page 10-1.
Configuring a Loopback Interface
The loopback interface acts as a placeholder for the static IP address and provides default routing
information.
Perform these steps to configure a loopback interface, beginning in global configuration mode:
SUMMARY STEPS
1. interface type number
2. ip address ip-address mask
3. exit