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Cisco Bug: CSCtb38847 - No buffer counts the same number as output drops counts with CBWFQ.

Last Modified

Feb 15, 2017

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

No buffer is counted the same number as Total output drops is counted in show 
interface as the following log when CBWFQ is working on the interface.

Router#show interfaces gi0/1
GigabitEthernet0/1 is up, line protocol is up 
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 318521 <---
  Queueing strategy: Class-based queueing
  Output queue: 0/1000/64/318521 (size/max total/threshold/drops) <---
  30 second input rate 0 bits/sec, 0 packets/sec
  30 second output rate 7768000 bits/sec, 4537 packets/sec
     51 packets input, 4942 bytes, 318521 no buffer          <---

The symptom is observed with 12.4(25).
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