Learning IOS and JUNOS

A bird in the hand is worth two in the bush Day 3 - How to view or modify JUNOS configuration ? Entering Configuration Mode When you stand behind an engineer, you can identify the engineer is Cisco or Juniper guy easily.  Most cisco engineers like to use the command 'conf t' to enter configure mode of router or switch. router>  enable Password: router#  conf t Enter configuration commands, one per line.  End with CNTL/Z. router(config)# When you want to show any results, you don't need to exit to the privilege mode(#) to show it. You can leverage 'do' command to check the status. router(config)#  do sh ip int brief Interface              IP-Address      OK? Method Status                Protocol GigabitEthernet1       10.17.14.195    YES manual up                    up ...

Once a use, forever a custom My first-time experience of Cisco router installation was in 1997, when I was a junior network engineer in a small company. I remembered that day I finished installing a customer router on-site for only 15 mins then I left and went back again after 2 hours to configure the router via console again..because I forgot to configure password under line vty (I told myslef I would never made such stupid mistake again like that - Password required, but none set ) After 13 years later, I started to learn JUNOS since 2010. Because I familiar Cisco IOS so much, so I knew the feeling of use behavior change from IOS to JUNOS. The hierarchical structure is not so easy to read when you see it in the first time.(especially when you have no any programming experience) However, having the use experience of Cisco IOS is a not a bad thing before you start to learn JUNOS. I believe if you can leverage your previously IOS command knowledge then map to JUNOS relative s...