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10 - 165 IP Telephony v1.0 Lab 2.1.1b Copyright © 2005, Cisco Systems, Inc.
Step 2 Basic CME Router Configuration
a. Connect to the console port of a Cisco CallManager Express router and power it on. If the router
has a configuration already on it, erase the router and reload it.
b. Enter privilege mode, and then configuration mode.
c. Change the hostname of the router. Use the command hostname CMERouterX, where X is the
pod number assigned to the group. Throughout the rest of the lab, use IP Telephony Table 1
parameters based on the pod number assigned.
Router(config)# hostname CMERouterX
d. Set the enable secret password to cisco. (Do not deviate from this password.)
e. Use the command no ip domain-lookup to disable name resolution since there is no DNS
server in the classroom lab.
CMERouterX(config)# no ip domain-lookup
f. Note that router commands are IOS and model specific. Examples given in this lab are the most
common configurations seen. However, the command man vary slightly. For example, on a 1760
router the VTY lines are 0 through 15 instead of 0 through 4. Configure all the router VTY lines
with parameters similar to the following:
CMERouterX(config)# line vty 0 4
CMERouterX(config-line)# password cisco
CMERouterX(config-line)# login
CMERouterX(config-line)# logging synchronous
g. Configure the console port parameters.
CMERouterX(config)# line console 0
CMERouterX(config-line)# password cisco
CMERouterX(config-line)# login
CMERouterX(config-line)# logging synchronous
h. Create a subinterface for the management VLAN by entering global configuration mode, and
typing the command interface fastethernet 0/0.1. The management VLAN is the VLAN used to
remotely manage network devices such as routers and switches.
Note: Depending on the model and physical configuration of the router, the interface could be a
FastEthernet port or a Gigabit Ethernet port. Also, the router may have a different physical
interface number (i.e., FastEthernet 0 or GigabitEthernet 2/0). If unsure about which interface is
installed, verify the name of the Ethernet ports on the router by using the show running-config
or show ip interface brief command.
CMERouterX(config)# interface fastethernet 0/0.1
What types of Ethernet interface(s) are on the router? ______________________________
i. Configure the subinterface for trunking by entering the command encapsulation dot1q 1. The 1
is the management VLAN number. The command instructs the router to use this subinterface for
VLAN 1. If a warning message appears, ignore it. If this command does not work, the proper
router is not being used.
CMERouterX(config-subif)# encapsulation dot1q 1