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35 - 165 IP Telephony v1.0 Lab 3.1.1 Copyright © 2005, Cisco Systems, Inc.
Step 3 Review Changes to the Running Configuration
a. From privilege exec (EXEC) mode, enter the show running-config command and view the
changes made in the configuration. Pay particular attention to the telephony-service section.
Compare this configuration with the configuration saved prior to this lab.
CMERouterX# show running-config
b. Write the commands that changed, and the commands that were created as a result of the
automatic telephony-service configuration utility used in this lab. Use additional paper if
needed.______________________________________________________________________
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Step 4 Connect a PC to the IP phone port
a. Connect a PC using a straight-through cable to the port labeled 10/100 PC on the bottom of the
IP phone.
b. Configure the PC to receive an IP address from a DHCP server.
c. From privileged mode on the router, create a DHCP pool for the data VLAN (the PC). The X in
the network and default-router commands represents the pod number.
CMERouterX(config)# ip dhcp pool DATA
CMERouterX(dhcp-config)# network 10.X0.0.0 255.255.255.0
CMERouterX(dhcp-config)# default-router 10.X0.0.1
d. In the DHCP pool just created reserve the first 10 IP addresses for networking devices. The X in
the ip dhcp excluded-address command represents the pod number.
CMERouterX(config)# ip dhcp excluded-address 10.X0.0.1 10.X0.0.10
e. Renew the IP address on the PC. It may be necessary to use the commands ipconfig /release
and ipconfig /renew if the PC had already gotten an address in the excluded-address range.
f. Did the PC receive an IP address? If yes, what address did it receive? If no, troubleshoot as
necessary.