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High CPU with unknown process cisco 7206VXR (NPE-G1) router

dnsroot13
Level 1
Level 1

Hi Guys

I am having intermittent high cpu on the 7206VXR (NPE-G1) router which goes above 70% and comes back normal to 40 % after sometime

when it goes high Per-Second Jobs shows 1.35%  and on interface showing output and input drops both WAN and Gi0/1 as well

Router ISP BW is 600Mbps .need to know if its a traffic /QOS which router is not able to handle the load as in BW monitoring of WAN link goes avg on 220 mbps and Rx and Tx load is also not high

need to know what could be the issue or could be oversubscription of this input errors and unknown pro drop/output drops

below are the output of the interface and WAN utilization

sh proc cpu sort
CPU utilization for five seconds: 67%/64%; one minute: 71%; five minutes: 68%
 PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY Process
  42  1722308028    99901457      17240  1.35%  1.37%  1.36%   0 Per-Second Jobs  
 157     4106996  2780438948          1  1.19%  1.11%  1.17%   0 HQF Shaper Backg
 301          88         139        633  0.31%  0.02%  0.00%   3 Virtual Exec     
   2      631196    19798863         31  0.07%  0.07%  0.07%   0 Load Meter       
 169       87348   193259231          0  0.07%  0.00%  0.00%   0 CCE DP URLF cach
 132       35960    93966142          0  0.07%  0.01%  0.00%   0 ILMI Timer Proce
 118      998340   333361286          2  0.07%  0.02%  0.00%   0 TCP Timer       

IOS:c7200-adventerprisek9-mz.124-24.T5.bin"

ID: CISCO7206VXR  

interface GigabitEthernet0/3
 description IP-CONNECT ISP WAN LINK
 ip address 10.x.x.x.x 255.255.255.252
 ip nbar protocol-discovery
 ip flow ingress
 ip flow egress
 duplex auto
 speed auto
 media-type gbic
 negotiation auto
 service-policy output QOS

interface GigabitEthernet0/1
 description Link to HQ
 ip address 10..x.x.x.x 255.255.255.0
 ip access-group 101 out
 duplex full
 speed 1000
 media-type rj45
 no negotiation auto

GigabitEthernet0/1 is up, line protocol is up
   Description: Link to HQ
  Internet address is 10.1.250.200/24
  MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
     reliability 255/255, txload 15/255, rxload 52/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Full-duplex, 1000Mb/s, media type is RJ45
  output flow-control is unsupported, input flow-control is XON
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:00, output 00:00:00, output hang never
  Last clearing of "show interface" counters never
  Input queue: 8/75/0/113 (size/max/drops/flushes); Total output drops: 3910
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 205578000 bits/sec, 27942 packets/sec
  5 minute output rate 61682000 bits/sec, 19778 packets/sec
     3741785087 packets input, 3853071941 bytes, 0 no buffer
     Received 91556612 broadcasts, 0 runts, 0 giants, 0 throttles
     7029005 input errors, 0 CRC, 0 frame, 7029005 overrun, 0 ignored
     0 watchdog, 209497288 multicast, 0 pause input
     0 input packets with dribble condition detected
     921491430 packets output, 585150574 bytes, 0 underruns
     9 output errors, 0 collisions, 3 interface resets
     3295813 unknown protocol drops
     0 babbles, 0 late collision, 0 deferred
     9 lost carrier, 0 no carrier, 0 pause output
     0 output buffer failures, 0 output buffers swapped out

=============================================

GigabitEthernet0/3 is up, line protocol is up

  Description: IP-CONNECT to ISP
  Internet address is 10.x.x.x./30
  MTU 1500 bytes, BW 600000 Kbit/sec, DLY 10 usec,
     reliability 255/255, txload 83/255, rxload 24/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Full-duplex, 1000Mb/s, link type is autonegotiation, media type is LX
  output flow-control is XON, input flow-control is XON
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:24, output 00:00:00, output hang never
  Last clearing of "show interface" counters 1y31w
  Input queue: 0/75/16/252 (size/max/drops/flushes); Total output drops: 163912473
  Queueing strategy: Class-based queueing
  Output queue: 63/1000/0 (size/max total/drops)
  5 minute input rate 56912000 bits/sec, 18717 packets/sec
  5 minute output rate 195545000 bits/sec, 27055 packets/sec
     3209462578 packets input, 1125360610 bytes, 0 no buffer
     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
     21972 input errors, 0 CRC, 0 frame, 21972 overrun, 0 ignored
     0 watchdog, 0 multicast, 0 pause input
     0 input packets with dribble condition detected
     3899036769 packets output, 3478522230 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 unknown protocol drops
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier, 0 pause output
     0 output buffer failures, 0 output buffers swapped ou

QOS:

policy-map QOS
 class APPS_CLASS
    priority percent 20
 class TRAFFIC_CLASS
    bandwidth percent 10
 class UPDATE_CLASS
    bandwidth percent 20
    shape average percent 15
 class class-default
    bandwidth percent 20

100                                                             
 90                                                             
 80 *****                         *****     *****     **********
 70 ************************************************************
 60 ************************************************************
 50 ************************************************************
 40 ************************************************************
 30 ************************************************************
 20 ************************************************************
 10 ************************************************************
   0....5....1....1....2....2....3....3....4....4....5....5....6
             0    5    0    5    0    5    0    5    0    5    0
               CPU% per second (last 60 seconds)

                                                                
    797776766767777667766777667787877776667777677767666656655665
    938375166661111843955742989804077702451301324643831274463414
 --More--         100                                                             
 90  *                                                          
 80 *** *    *        *  *    *** ****           *              
 70 #####*#********* ##**###**#########  ***** *** **           
 60 ####################################################**** **
 50 ############################################################
 40 ############################################################
 30 ############################################################
 20 ############################################################
 10 ############################################################
   0....5....1....1....2....2....3....3....4....4....5....5....6
             0    5    0    5    0    5    0    5    0    5    0
               CPU% per minute (last 60 minutes)
              * = maximum CPU%   # = average CPU%

15 Replies 15

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Your high CPU utilization, as almost all interrupt CPU, already shows that.