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Hi, I have used ISSU for 6509 VSS to upgrade the IOS From s72033-adventerprise_wan-vz.122-33.SXI5.bin,12 to s72033-adventerprisek9_wan-vz.122-33.SXI5.bin,12; version I have referred below link for ISSUhttp://www.cisco.com/en/US/docs/switches/lan/cata...
Yes, I have enabled shell & privilege 15 for group and assigned the group to my username.for your info , i am able to login to the switches and routers with the same username.
Thanks for the Quick response, I have did the same config as per the Document, but still have the same issue , one thing i have notices in the ACS failed logs, the caller ID shows 0.0.0.0 will this be the issue ??