Monday, September 29, 2014

GNS3 VoIP Lab (Cisco 3725 and CME 4.3)

Here is a simple VoIP Lab in GNS3 environment. It is only used for my lab test and recorded here for future reference.

1. Topology:

  • GNS3 Topology:


  • Logic Topology:
xp(192.168.2.60)--------C3725 Router(192.168.2.10)

2. Enviroment:


    •  Router 3725 R1's configuration in GNS3. Flash card is 32 96 MB to hold CME4.3 files.


3.  Basic Networking Setup 

  • @R1 : Show Version Information for C3725-AdventerpriseK9_IVS-M IOS, Version 12.4(15)T9.
  • @R1, Basic TCP configuration:
interface FastEthernet0/0
 ip address 192.168.2.10 255.255.255.0
 duplex auto
 speed auto
  • By default, telephony-service is not enabled: 
R1#show telephony-service
telephony-service is not enabled
  • Enable Telephony-Service by configure some commands under telephony-service.

4. Install CME on GNS3 3725 Router

  • Set up Environment:
    • C3725 Router ip is 192.168.2.10
    • XP Machine with TFTPD ip is 192.168.2.60
  • Copy cme-full-4.3.0.0.tar into C3725 Router. I tried another tftp server Pumpkin, but it gave me an error. FTP service should be faster than tftp. TFTP took 1 hour and 44 minutes to get whole package extracted. This lab is using tftp to make things simple. From C3725 router, run following three commands:
erase flash:
format flash:
archive tar /xtract tftp://192.168.2.60/cme-full-4.3.0.0.tar flash:



To be Continued:::



Notes:



Reference:

  • http://resources.intenseschool.com/ccna-voice-labs-in-gns3-with-vtgo-pc-multilab/
  • http://ciscoshizzle.blogspot.de/2012/06/cisco-voice-lab-using-gns3.html
  • http://www.i-1.nl/blog/?p=145




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