Very Quick demo on how to run SSIS from the command line. See below for the Parameters used in the video for Cut and Paste.
PATH=%PATH%;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\dtexec.exe
/FILE "C:\Temp\ConfigExample.dtsx"
/CONFIGFILE "C:\Temp\ConfigExample.dtConfig"
/CONNECTION "OLEDB-Connection-AdventureWorks;Data Source=SOUNDWAVE\SQL1;Initial Catalog=AdventureWorks2008R2;Provider=SQLNCLI10.1;Integrated Security=SSPI;"
dtexec /FILE "C:\Temp\ConfigExample.dtsx" /CONFIGFILE "C:\Temp\ConfigExample.dtConfig" /CONNECTION "OLEDB-Connection-AdventureWorks;Data Source=SOUNDWAVE\SQL1;Initial Catalog=AdventureWorks2008R2;Provider=SQLNCLI10.1;Integrated Security=SSPI;"