(GNS3 is an excellent network virtualization software with graphical interface that can run on multiple platforms (including windows, Linux, andmacos, etc.). Cisco network device administrators or those who want to pass the Cisco certification examinations such as CCNA, CCNP, CCIE, etc. can complete the relevant experimental simulation operations through it. At the same time, it can also be used for virtual experience of Cisco Internet operating system IOS or verification of relevant configurations to be deployed and implemented on real routers.
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GNS3-0.7.4-win32-all-in-one. exe\....)