I have few question on Cat 6509
1)if i have two supervisor-720 module in chassis , do i need addtional MSFC card or PFC card for layer 3 and Qos feature?
2)if i have two supervisor 1A or supervisor 2 or supervisor 32 module avilable in my chassis then do i require MSFC card and PFC card for layer 3 & Qos function.?
3)if i have MSFC and Supervisor-1A module available in chasiss and i want to upgrade IOS in chassis then do i need to seperately upgrade ? what is procedure , please send me link.
I have read few docs but it is not clear to me, if someone have good doc link , please send me
Thanks in advance