Specifications

Chapter 9 Configuring X.25
X.25 over ISDN B Channel
9-14
Cisco 1700 Series Router Software Configuration Guide
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Configuring Security
Follow these steps to configure the router with security measures.
Configuring the Fast Ethernet Interface
Follow these steps to configure the Fast Ethernet interface, which connects your
router to the local network.
Command Task
Step1
hostname Router Configure the router with a host name,
which is used in prompts and default
configuration filenames.
For PPP authentication, the host name
entered with this command must match the
username of the central-site router.
Step2
enable password <user> Specify a password to prevent unauthorized
access to the router.
Step3
username HQ password <guessme> Specify the password used during caller
identification and Challenge Handshake
Authentication Protocol (CHAP) and
Password Authentication Protocol (PAP)
authentication.
For CHAP and PAP authentication, the
username entered with this command must
match the host name of the central-site
router.
Command Task
Step1
interface fastethernet0 Enter configuration mode for the Fast
Ethernet interface.
Step2
ip address 192.168.38.42 255.255.255.0 Configure this interface with an IP address.