In our network we have a 7507 acting as a border router.
Two weeks ago the CPU from time to time goes skyhigh for some time (between 1 and 60 minutes). The only other thing we see at that moment is a slight increase of traffic going to the servers behind the router. the increase is only 3 to 4 Mbit.
I have been breaking my head over this problem and did extensive testing but i can not find a reason why the CPU goes skyhigh.
Is there somebody who has seen this problem and knows how to fix it?
P.S. if you want some extra information, please let me know.