@SYNTAX:connect@

     -4, -6: specify explicitly whether to use IPv4 or IPv6 address
     -ssl: use SSL when connecting
     -ircnet: the IRCNet
     -host: the host
     -!: don't autojoin channels

This command makes irssi to connect to specified server.
Current connections are kept and a new one is created.

See also: SERVER, DISCONNECT, RMRECONNS