Ro,1) The port channels are between the IOM (FEX) and FI. So it will be supported by any combination of mezz cards in the chassis.2) I am assuming you are talking about 2204 and 2208 IOMs. If that is the case these both support port channels when use...
Paulo, If your 61x0 is configured in End Host mode and you do not have any uplink ports that are active then the link to the blade OS will be down.Andre McGlown