Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for
Search instead for
Did you mean:
Increased CPU utilization of 7206VXR
Hello everybody! The problem has appeared on 7206VXR after upgrading IOS from 12.4(11)T to 12.4(22)T2 - CPU utilization has increased into 2 or 3 times. This problem exists on 7206VXR with multilink PPP configuration on PA-MCX-8TE1 port adapter. It was supposed that this increasing of CPU utilization was caused by fast or process switching of this port adapter traffic not cef switching. In the output of show cef interface it was: Serial5/0:0 is up (if_number 55) Corresponding hwidb fast_if_number 55 Corresponding hwidb firstsw->if_number 55 Internet Protocol processing disabled Interface is marked as point to point interface IPv4 packets switched to this interface are punted to the next slow path: PPP - unsupported interface Hardware idb is Serial5/0:0 Fast switching type 7, interface type 13 IP CEF switching enabled IP CEF switching turbo vector IP CEF turbo switching turbo vector IP prefix lookup IPv4 mtrie 8-8-8-8 optimized Input fast flags 0x0, Output fast flags 0x0 ifindex 22(22) Slot Slot unit 0 VC 0 Transmit limit accumulator 0x0 (0x0) IP MTU 0 Besides it was constant increasing number of packet of Unsupported CEF features. IPv4 CEF Packets passed on to next switching layer Slot No_adj No_encap Unsupp'ted Redirect Receive Options Access Frag RP 0 0 6765185 608 9145433 0 0 2052
But this case the change of IOS led to changes in CPU load. Is it a bug of IOS or the problem in something else?