In article , thrill5 wrote: :Unless you have a single source/destination pair that needs more than a T1 :of bandwidth than flow based load balancing will be fine. If this won't :work, than you can turn on per packet load balancing but it will cost you :CPU cycles. If you have a low end router be careful. The reason load :balancing defaults to per flow is because it is less CPU intensive and it :works just fine 99% of the time.
Unless, that is, you are using CeF -- modern CeF has little to no extra overhead to go per-packet. But if you are using flow caching instead of CeF, then per-packet balancing requires dropping down to process switching.