Paul,Yeah, no change after removing the voice vlan (which wasn't used just a default of ours) and hardcoding the duplex/speed.Same bouncing issue.Nov 12 07:07:22.235 EDT: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/17, changed state...

Paul,I've got the same problem at my site..... Every 10 minutes Cannon iR3235 printers bounce.  WS-C3560V2-48PS  12.2(50)SE1 ipbaseI just hard coded the printer/port and am debating on shutting off STP on that port but we're stable for 4d09h so I don...