If I separate the management vlan (VLAN1) and data vlan (e.g. VLAN10),is it possible to login to the switch from a workstation in VLAN10 ?How can I do that ?

I would like to upgrade the CATOS for the C6509.Is there any one upgrade the latest CATOS Version 7.2(2) on C6509 ?Is there any bug with it ?

We have a c6509 as central switch with some IGMP snooping switches and CGMP switches. The problem is that every time when c6509 pop up a console message of "%MCAST-6-DELGDA:Deleting a GDA 01-00-5e-02-11-0b in vlan 1", all ports in those CGMP switch ...