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Cisco Bug: CSCvv03198 - ISR4k - Input rate counter in shutdown interface stuck in value different from 0

Last Modified

Sep 14, 2020

Products (1)

  • Cisco 4000 Series Integrated Services Routers

Known Affected Releases


Description (partial)

Counter '30 second input rate' for an interface that was shutdown stays stuck in some value instead of being 0.

For instance:

<div style="font-family:courier;white-space:pre;">
B#show int gi0/1/0
GigabitEthernet0/1/0 is administratively down, line protocol is down (disabled)
  Hardware is NIM-ES2-4, address is d8b1.9058.7558 (bia d8b1.9058.7558)
  Description: Link to R2
  MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive not supported
  Auto-duplex, Auto-speed, link type is auto, media type is 10/100/1000BaseTX
  input flow-control is off, output flow-control is unsupported
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:07:09, output 00:06:36, output hang never                         <<< Last input 7 min ago.
  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)
  30 second input rate 204000 bits/sec, 216 packets/sec                          <<< Counter stuck at 204000.
  30 second output rate 0 bits/sec, 0 packets/sec
     11504 packets input, 1391792 bytes, 0 no buffer
     Received 4 broadcasts (376 multicasts)
     0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 376 multicast, 0 pause input
     0 input packets with dribble condition detected
     528 packets output, 92954 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


Conditions for this to happen are unknown.
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