I don't see where this feature is available. Seems to me that that emailing the admin for job approvals should be available. It's there in the old LMS - can't be that hard to add it into PI.
There are known IOS bugs associated with CEF, but I have only seen and experienced them on earlier code than what you are running. 12.2 should have the known CEF bugs eliminated from it. I doubt the code on the 3500 is the culprit; the 12.1(5) code ...
Check to see that the switch is connected to the correct subnet on the uplink...If the 3500 and its' ports are all on VLAN 1, make sure the uplink port is configured for the correct VLAN. If you have configured VLAN interfaces with IP addresses othe...