2013年8月11日星期日

txload 255/255 but no traffic

Question:
I am experiencing WS-C3560X-24T-S a strange problem with a ASR1002 router that I just  installed.thsi is a point to point link .the link is working  but for  some reason the txload on interface g0/0/0 show 255/255 even though  there is no traffic going over to this router.

Thanks in advance for any suggestions !!!

Please see the below interface status for both router.

Router#sh int gi0/0/3
GigabitEthernet0/0/3 is up, line protocol is up
  Hardware is 4XGE-BUILT-IN, address is a493.4c98.db03 (bia a493.4c98.db03)
  Description: "100Mbps LINK"
  Internet address is 10.172.20.110/30
  MTU 9100 bytes, BW 100000 Kbit/sec, DLY 100 usec,
     reliability 255/255, txload 255/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive not supported
  Full Duplex, 100Mbps, link type is auto, media type is T
  output flow-control is on, input flow-control is on
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:46:49, output 00:00:29, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 7000 bits/sec, 4 packets/sec
  5 minute output rate 5000 bits/sec, 2 packets/sec
     17890 packets input, 9074660 bytes, 0 no buffer
     Received 0 broadcasts (0 IP multicasts)
     0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 7503 multicast, 0 pause input
     10137 packets output, 2803120 bytes, 0 underruns
     0 output errors, 0 collisions, 2 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 out
Router#
-------------------------------------------------------------------------------------------------------------------------------------------------------------
RP/0/RSP0/CPU0:ASR-9010#sh int Gi0/0/0/13
Tue Oct 30 11:32:10.104 ist
GigabitEthernet0/0/0/13 is up, line protocol is up
  Interface state transitions: 11
  Hardware is GigabitEthernet, address is 18ef.63e8.6ce7 (bia 18ef.63e8.6ce7)
  Description: "100Mbps , Gi0/0/0/13"
  Internet address is 10.172.20.109/30
  MTU 9114 bytes, BW 100000 Kbit (Max: 100000 Kbit)
     reliability 253/255, txload 0/255, rxload 0/255
  Encapsulation ARPA,
  Full-duplex, 100Mb/s, THD, link type is force-up
  output flow control is off, input flow control is off
  loopback not set,
  ARP type ARPA, ARP timeout 04:00:00
  Last input 00:00:00, output 00:00:00
  Last clearing of "show interface" counters 22w6d
  30 second input rate 3000 bits/sec, 0 packets/sec
  30 second output rate 8000 bits/sec, 3 packets/sec
     665819 packets input, 159562042 bytes, 5896 total input drops
     1 drops for unrecognized upper-level protocol
     Received 21 broadcast packets, 99558 multicast packets
              350 runts, 1154 giants, 0 throttles, 0 parity
     5895 input errors, 2545 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
     2154457 packets output, 748147945 bytes, 0 total output drops
     Output 14647 broadcast packets, 1490193 multicast packets
     0 output errors, 0 underruns, 0 applique, 0 resets
     0 output buffer failures, 0 output buffers swapped out
     11 carrier transitions

Answer:

This is due to the known defect -

CSCtw90305  
Show interface X/Y returns output with counter txload 255/255

which was duplicated to CSCtr15153 WS-C3560X-48T-L Price

Please use the Bug Tool Kit and verify your the IOS is affected or not.

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