Specifications

7-33
Cisco 1700 Series Router Software Configuration Guide
78-5407-03
Chapter 7 Configuring Frame Relay
ISDN as a Backup Connection with Dialer Profiles
Configuring the Fast Ethernet Interface
Follow these steps to configure the Fast Ethernet interface, which connects your
router to the local network.
Configuring the Serial Interface
Follow these steps to configure the serial interface, which connects your router to
the central-site router over the wide-area network.
Command Task
Step1
interface fastethernet0 Enter configuration mode for this interface.
Step2
ip address 172.16.20.1 255.255.255.0 Configure this interface with an Ethernet
address.
Step3
no ip route-cache Disable fast switching and autonomous
switching on this interface.
Step4
ip mroute-cache Enable IP multicast fast switching on this
interface.
Step5
no shutdown Enable the configuration changes for this
interface.
Step6
exit Exit configuration mode for this interface.
Command Task
Step1
interface serial0 Enter configuration mode for this interface.
Step2
no ip address Disable IP processing for this interface.
Step3
encapsulation frame-relay Configure this interface for Frame Relay
encapsulation.
Step4
no shutdown Enable the configuration changes for this
interface.
Step5
exit Exit configuration mode for this interface.