Network Simulator

Does anyone know of a good network simulator? I am having troubles with nat. I took the CCNA test today and did not pass

. My major problem was Nat. I could not remember the commands to save my life. I know it doesn't take much for nat but I guess I need hands on with it. Any suggestions?

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billscott92787

N3tWrkNut wrote: »

Does anyone know of a good network simulator? I am having troubles with nat. I took the CCNA test today and did not pass . My major problem was Nat. I could not remember the commands to save my life. I know it doesn't take much for nat but I guess I need hands on with it. Any suggestions?

GNS3 is a good one.

Cucumber

N3tWrkNut wrote: »

Does anyone know of a good network simulator? I am having troubles with nat. I took the CCNA test today and did not pass . My major problem was Nat. I could not remember the commands to save my life. I know it doesn't take much for nat but I guess I need hands on with it. Any suggestions?

Hmm Dynamips

Bl8ckr0uter

N3tWrkNut wrote: »

Does anyone know of a good network simulator? I am having troubles with nat. I took the CCNA test today and did not pass . My major problem was Nat. I could not remember the commands to save my life. I know it doesn't take much for nat but I guess I need hands on with it. Any suggestions?

The best network sim is good old hardware (routers, switches, etc).

Next to that Packet Tracker, GNS3 or Boson (I have heard good things about this one).

mikej412

knwminus wrote: »

Bosom (I have heard good things about this one).

So have I -- but not for networking.

Boson is the Network Simulator you were hopefully thinking about.

gAnDo

both have their merits