Setup as stated before
SMC Cable modem from Comcast ---->
IPcop with web proxy, urlfiltering, and block out traffic (P4 3.0GHz w/ 1GB RAM) Yes this is a seperate machine) ---->
Internal network
The only thing i see bandwidth droped or limited on is the testmy.net speed test....
Here is the cpu and memory usage graphs. The large spike in the cpu with the large drop in mem usage are b/c of scheduled reboots.