Dare to try Cisco router and switch catalyst although just use command "Sh run-conf.." and then looking for some command at Bosson NetSim and GNS3 after that try out all command in real Cisco Device. STP (spanning tree protocol) at my network running well and Vlan200 administratively up and now I can use Cisco Network Assistance to make easy to configure all cisco device at my network... let me show you how dare I am trying to learn Cisco...







