Check the IOS version you are runnning. THere have been issues with the 4500 IOS when runningredundant sup's. I ran into the same problem on a 4510R-E with redundant Sup6E. Although I was running a higher version of IOS, the issue is still present. ...
This is an IOS issue. I ran into the same problem on a 4510R-E with redundant Sup6E. Although I was running a higher version of IOS, the issue is still present. From TAC I received the response in the bug CSCsx87562: CSCsx87562 %SYS-3-TIMERNEG err...