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Forum Replies

  1. Hi Rene,

    Very Good Lesson about ARP poisoning and am waiting for DAI.

    In real network, can host accepts all the ARP reply from any other host (updates arp table ) without generating the ARP broadcast request for that particular host?

    It is very basic question still curious to understand.




  2. Hi Rene,

    Thanks for your all valuable articles , I want to do in the Lab environment but at this moment i don’t have any physical Router and switch , is it possible to do in the GNS3 or any other emulation/simulations software where i can do your all of lab.



  3. Both GNS3 (free) and VIRL (paid) can be used for almost all simulations. Some minor topics, like Bi-Direction Forwarding Detection, Unidirectional Link Detection, and a few more, don’t work well (BFD will actually crash GNS3!).

    GNS3 is easier to use, and less complicated to setup. The downsides are you have to supply your own IOS images, and GNS3’s support for switching is marginal at best. If you want to practice topics related to routing I would recommend it.

    VIRL requires a paid yearly subscription, as well as access to 3rd party emulator software (VMWare

    ... Continue reading in our forum

  4. Thanks a lot, Rene, you are amazing !

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