I noticed high utilization on a cisco6509/Sup720. Looking into the "show tech " log shows a high number of drops on the(SVI) VLAN interfaces and lots of interrupt traffic. This is probably causing switch spikes up past normal benchmarks.
What could be causing this
Thanks
SW#sho proc cdp cpu | exclude 0.00
CPU utilization for five seconds: 88%/83%; one minute: 85%; five minutes: 84%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
15 193521704 417755354 463 1.30% 0.74% 0.70% 0 ARP Input
93 1224974641289281891 95 0.57% 0.40% 0.42% 0 IP Input
122 1204 833 1445 0.08% 0.12% 0.07% 1 Virtual Exec
123 24525744 82734041 296 0.08% 0.21% 0.19% 0 CEF process
133 266918001109779682 24 0.16% 0.11% 0.13% 0 Standby (HSRP)
189 6943640881189170497 583 1.79% 1.34% 1.25% 0 Port manager per
222 115184252 85221649 1351 0.08% 0.15% 0.38% 0 SNMP ENGINE