http://www.cisco.com/en/US/docs/ios/.../122mcavs.html
کد:
CSCdz04037
Symptoms: A Cisco 3640 router reloads or permanently pauses with the following CPUHOG error messages on the console:
%SYS-3-CPUHOG: Task ran for 3716 msec (147/54), process = IP NAT Ager, PC = 60420AB8. -Traceback= 60420AC0 609C1070 609C125C 609C1738 60405CEC 60405CD8 1d21h: %SYS-3-CPUHOG: Task ran for 3120 msec (133/68), process = IP NAT Ager, PC = 60420AB8. -Traceback= 60420AC0 609C1070 609C125C 609C1738 60405CEC 60405CD8 1d23h: %SYS-3-CPUHOG: Task ran for 2448 msec (76/49), process = IP NAT Ager, PC = 609C16F0.
A stack trace points to ipnat_ager.
Conditions: This symptom is observed on a Cisco router that is running Cisco IOS Release 12.2(7c) or Release 12.2(12) when there are a large number of dynamic entries in the translation table.
Workaround: There is no workaround.