[c-nsp] can I know what is this command issue and want to learn about cisco best practice

[kcc]

> Hi all
>
> I am new in cisco
>
> 1/ Can I know what is this command issue?
>
> cisco6513(config)#username peter privilege 15 password 7 peterpassword
> Invalid encrypted password: peterpassword
>
> 2/ I want to learn about best practice when doing the cisco config?
> eg:
> I heard it is better to issue command "eg: shutdown xx sec" when doing the
> remote configure critical routes
> it can avoid the lost connection. the router can reload the startup config
> even though loss the connection
>
> Thank you for your help
>