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141 - 165 IP Telephony v1.0 SBA Version 1: Copyright © 2005, Cisco Systems, Inc.
Step 2 Basic CME Router Configuration
o. In this lab, you will be working with two routers. Connect to their console port and
power them on. If the routers have a configuration already on it, erase the router and
reload it.
p. Enter privilege exec mode.
q. Configure the hostname, passwords, interfaces, console and telnet access, eigrp routing
protocol like the figure and make sure that both routers can reach each other. Use the
ping command to troubleshoot, if necessary. The R1 and R2 configuration files are listed
end of this document and your files should be similar to the listed here.
Note: Be careful. The 2800 series router has changed the interface naming convention.
Step 3 Voice CME Router Configuration
3.1 Preparing the Routers to handle the VLANs
Create and configure two sub-interfaces on the fastEthernet 0/0 of R1 and two sub-interfaces on the
fastEthernet 0/0 of R2. They will be used by the VLANs configured on the switch.
On R1:
R1(config)# int fa0/0
R1(config-if)# no ip address
R1(config-if)# no shutdown
R1(config)# int fa0/0.10
R1(config)# encapsulation dot1q 10
R1(config)# ip address 10.10.0.1 255.255.255.0
R1(config)# no shut
R1(config)# int fa0/0.15
R1(config)# encapsulation dot1q 15
R1(config)# ip address 10.15.0.1 255.255.255.0
R1(config)# no shut
On R2:
R2(config)# int fa0/0
R2(config-if)# no ip address
R2(config-if)# no shutdown
R2(config)# int fa0/0.20
R2(config-subif)# encapsulation dot1q 20
R2(config-subif)# ip address 10.20.0.1 255.255.255.0
R2(config-subif)# no shut
R2(config-subif)# int fa0/0.25
R2(config-subif)# encapsulation dot1q 25
R2(config-subif)# ip address 10.25.0.1 255.255.255.0
R2(config-subif)# no shut
3.2 Configuring the DHCP Server on the Routers