Tuesday, July 10, 2012

How to install GNS3 on fedora by Ajit

1. download GNS3 from http://www.gns3.net/

2. install python3-PyQt4

#yum install python3-PyQt4

3. install PyQt4
#yum install PyQt4

4. download dynagen from

32 bit version: http://sourceforge.net/projects/gns-3/files/Dynamips/0.2.8-RC2/dynamips-0.2.8-RC2-x86.bin/download
64 bit version:

5. after you download you will get file dynamips-0.2.8-RC2-x86.bin (rename it to dynamips.py if you gns3 does not recognize the file we download)

6. extract the gns3 package then run
#python gns3.pyw

7. when GNS3 open go to edit --> Preferences --> dynamips
  - change the Executable path: to the dynamips-0.2.8-RC2-x86.bin that u just download
  - change working directory to the folder that contain dynamips-0.2.8-RC2-x86.bin

8. How you can load Cisco ISO file and start using it.

Note: when you click console to configure router, if the console port does not appear you can telnet telnet localhost port 2001. And if you have multiple router are running. you have to use netstart to list the listening ports that are higher that 2001. if you see 2002, 2003, or 2005, etc are open. means that other will use that port so telnet to localhost with the port that you see in your system.

Example I use putty to access router in gns3 console port

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