Cisco Support Community
cancel
Showing results for 
Search instead for 
Did you mean: 
Announcements
Webcast-Catalyst9k
New Member

3560 mls qos - output queues counters?

Hi!

I have WS-C3560G-24TS     15.0(2)SE4.

In gi0/10 we received IPTV multicast traffic only.

interface GigabitEthernet0/10

description IPTV

switchport access vlan 929

switchport mode access

switchport nonegotiate

mls qos trust dscp

channel-protocol lacp

channel-group 3 mode active

service-policy input iptv-cos

end

on port input - 350mbit - output 2000 Bit/s!

Queueing strategy: fifo

  5 minute input rate 348797000 bits/sec, 32008 packets/sec

  5 minute output rate 0 bits/sec, 0 packets/sec

Then i send command:

clear counters

clear mlq qos int stat

and

sh mls qos int gi0/10 st 

after 5-10 seconds i see:

GigabitEthernet0/10 (All statistics are in packets)

  dscp: incoming 

-------------------------------

  0 -  4 :      156657            0            0            0            0 

  5 -  9 :           0            0            0            0            0 

10 - 14 :           0            0            0            0            0 

15 - 19 :           0            0            0            0            0 

20 - 24 :           0            0            0            0            0 

25 - 29 :           0            0            0            0            0 

30 - 34 :           0            0            0            0            0 

35 - 39 :           0            0            0            0            0 

40 - 44 :           0            0            0            0            0 

45 - 49 :           0            0            0            0            0 

50 - 54 :           0            0            0            0            0 

55 - 59 :           0            0            0            0            0 

60 - 64 :           0            0            0            0 

  dscp: outgoing

-------------------------------

  0 -  4 :           4            0            0            0            0 

  5 -  9 :           0            0            0            0            0 

10 - 14 :           0            0            0            0            0 

15 - 19 :           0            0            0            0            0 

20 - 24 :           0            0            0            0            0 

25 - 29 :           0            0            0            0            0 

30 - 34 :           0            0            0            0            0 

35 - 39 :           0            0            0            0            0 

40 - 44 :           0            0            0            0            0 

45 - 49 :           0            0            0            0            0 

50 - 54 :           0            0            0            0            0 

55 - 59 :           0            0            0            0            0 

60 - 64 :           0            0            0            0 

  cos: incoming 

-------------------------------

  0 -  4 :      156661            0            0            0            0 

  5 -  7 :           0            0            0 

  cos: outgoing

-------------------------------

  0 -  4 :           4            0            0            0            0 

  5 -  7 :           0            0            0 

  output queues enqueued:

queue:    threshold1   threshold2   threshold3

-----------------------------------------------

queue 0:           0           0           0

queue 1:           4           0           0

queue 2:           0           0           0

queue 3:           0           0      112066

  output queues dropped:

queue:    threshold1   threshold2   threshold3

-----------------------------------------------

queue 0:           0           0           0

queue 1:           0           0           0

queue 2:           0           0           0

queue 3:           0           0           0

Policer: Inprofile:            0 OutofProfile:            0

Question!

Why i have 112066 packets in output queue 3, then bitrate output - 5 minute output rate 0 bits/sec, 0 packets/sec  and 7 packets output, 576 bytes after clear.

Everyone's tags (3)
3 REPLIES
Super Bronze

Re: 3560 mls qos - output queues counters?

Disclaimer

The  Author of this posting offers the information contained within this  posting without consideration and with the reader's understanding that  there's no implied or expressed suitability or fitness for any purpose.  Information provided is for informational purposes only and should not  be construed as rendering professional advice of any kind. Usage of this  posting's information is solely at reader's own risk.

Liability Disclaimer

In  no event shall Author be liable for any damages whatsoever (including,  without limitation, damages for loss of use, data or profit) arising out  of the use or inability to use the posting's information even if Author  has been advised of the possibility of such damage.

Posting

I believe the enqueued counter count total number of time packets needed to be enqueued, not current queue depth.

Although your average egress rate is very low, it's possible some kind of microburst happens from time to time that enqueues some packets.

If this is happening, the small burst doesn't overflow your queue as you stats don't show any drops.

New Member

3560 mls qos - output queues counters?

I have any time this bitrate.

a few hours later I see:

bm18.lan#sh mls q int gi0/10 st

GigabitEthernet0/10 (All statistics are in packets)

  dscp: incoming 

-------------------------------

  0 -  4 :   849303034            0            0            0            0 

  5 -  9 :           0            0            0            0            0 

10 - 14 :           0            0            0            0            0 

15 - 19 :           0            0            0            0            0 

20 - 24 :           0            0            0            0            0 

25 - 29 :           0            0            0            0            0 

30 - 34 :           0            0            0            0            0 

35 - 39 :           0            0            0            0            0 

40 - 44 :           0            0            0            0            0 

45 - 49 :           0            0            0         3517            0 

50 - 54 :           0            0            0            0            0 

55 - 59 :           0            0            0            0            0 

60 - 64 :           0            0            0            0 

  dscp: outgoing

-------------------------------

  0 -  4 :       45265            0            0            0            0 

  5 -  9 :           0            0            0            0            0 

10 - 14 :           0            0            0            0            0 

15 - 19 :           0            0            0            0            0 

20 - 24 :           0            0            0            0            0 

25 - 29 :           0            0            0            0            0 

30 - 34 :           0            0            0            0            0 

35 - 39 :           0            0            0            0            0 

40 - 44 :           0            0            0            0            0 

45 - 49 :           0            0            0            0            0 

50 - 54 :           0            0            0            0            0 

55 - 59 :           0            0            0            0            0 

60 - 64 :           0            0            0            0 

  cos: incoming 

-------------------------------

  0 -  4 :   849324148            0            0            0            0 

  5 -  7 :           0            0            0 

  cos: outgoing

-------------------------------

  0 -  4 :       45265            0            0            0            0 

  5 -  7 :           0            0            0 

  output queues enqueued:

queue:    threshold1   threshold2   threshold3

-----------------------------------------------

queue 0:           0           0           0

queue 1:       45265           0        4071

queue 2:           0           0           0

queue 3:           0           0  605666519

  output queues dropped:

queue:    threshold1   threshold2   threshold3

-----------------------------------------------

queue 0:           0           0           0

queue 1:           0           0           0

queue 2:           0           0           0

queue 3:           0           0           0

Policer: Inprofile:            0 OutofProfile:            0

send:

bm18.lan#sh mls q int gi0/10 st

GigabitEthernet0/10 (All statistics are in packets)

  dscp: incoming 

-------------------------------

  0 -  4 :   849303034            0            0            0            0 

  5 -  9 :           0            0            0            0            0 

10 - 14 :           0            0            0            0            0 

15 - 19 :           0            0            0            0            0 

20 - 24 :           0            0            0            0            0 

25 - 29 :           0            0            0            0            0 

30 - 34 :           0            0            0            0            0 

35 - 39 :           0            0            0            0            0 

40 - 44 :           0            0            0            0            0 

45 - 49 :           0            0            0         3517            0 

50 - 54 :           0            0            0            0            0 

55 - 59 :           0            0            0            0            0 

60 - 64 :           0            0            0            0 

  dscp: outgoing

-------------------------------

  0 -  4 :       45265            0            0            0            0 

  5 -  9 :           0            0            0            0            0 

10 - 14 :           0            0            0            0            0 

15 - 19 :           0            0            0            0            0 

20 - 24 :           0            0            0            0            0 

25 - 29 :           0            0            0            0            0 

30 - 34 :           0            0            0            0            0 

35 - 39 :           0            0            0            0            0 

40 - 44 :           0            0            0            0            0 

45 - 49 :           0            0            0            0            0 

50 - 54 :           0            0            0            0            0 

55 - 59 :           0            0            0            0            0 

60 - 64 :           0            0            0            0 

  cos: incoming 

-------------------------------

  0 -  4 :   849324148            0            0            0            0 

  5 -  7 :           0            0            0 

  cos: outgoing

-------------------------------

  0 -  4 :       45265            0            0            0            0 

  5 -  7 :           0            0            0 

  output queues enqueued:

queue:    threshold1   threshold2   threshold3

-----------------------------------------------

queue 0:           0           0           0

queue 1:       45265           0        4071

queue 2:           0           0           0

queue 3:           0           0  605666519

  output queues dropped:

queue:    threshold1   threshold2   threshold3

-----------------------------------------------

queue 0:           0           0           0

queue 1:           0           0           0

queue 2:           0           0           0

queue 3:           0           0           0

Policer: Inprofile:            0 OutofProfile:            0

bm18.lan#

bm18.lan#

bm18.lan#

bm18.lan#

bm18.lan#

bm18.lan#

bm18.lan#

bm18.lan#

bm18.lan#

bm18.lan#                     

bm18.lan#

bm18.lan#

bm18.lan#

bm18.lan#

bm18.lan#clear mls qos int st

bm18.lan#

bm18.lan#

bm18.lan#clear counters

Clear "show interface" counters on all interfaces [confirm]

bm18.lan#

bm18.lan#

bm18.lan#

bm18.lan#sh mls qos int gi0/10 st   

GigabitEthernet0/10 (All statistics are in packets)

  dscp: incoming 

-------------------------------

  0 -  4 :     1141981            0            0            0            0 

  5 -  9 :           0            0            0            0            0 

10 - 14 :           0            0            0            0            0 

15 - 19 :           0            0            0            0            0 

20 - 24 :           0            0            0            0            0 

25 - 29 :           0            0            0            0            0 

30 - 34 :           0            0            0            0            0 

35 - 39 :           0            0            0            0            0 

40 - 44 :           0            0            0            0            0 

45 - 49 :           0            0            0            3            0 

50 - 54 :           0            0            0            0            0 

55 - 59 :           0            0            0            0            0 

60 - 64 :           0            0            0            0 

  dscp: outgoing

-------------------------------

  0 -  4 :          92            0            0            0            0 

  5 -  9 :           0            0            0            0            0 

10 - 14 :           0            0            0            0            0 

15 - 19 :           0            0            0            0            0 

20 - 24 :           0            0            0            0            0 

25 - 29 :           0            0            0            0            0 

30 - 34 :           0            0            0            0            0 

35 - 39 :           0            0            0            0            0 

40 - 44 :           0            0            0            0            0 

45 - 49 :           0            0            0            0            0 

50 - 54 :           0            0            0            0            0 

55 - 59 :           0            0            0            0            0 

60 - 64 :           0            0            0            0 

  cos: incoming 

-------------------------------

  0 -  4 :     1142010            0            0            0            0 

  5 -  7 :           0            0            0 

  cos: outgoing

-------------------------------

  0 -  4 :          92            0            0            0            0 

  5 -  7 :           0            0            0 

  output queues enqueued:

queue:    threshold1   threshold2   threshold3

-----------------------------------------------

queue 0:           0           0           0

queue 1:          92           0           5

queue 2:           0           0           0

queue 3:           0           0      810894

  output queues dropped:

queue:    threshold1   threshold2   threshold3

-----------------------------------------------

queue 0:           0           0           0

queue 1:           0           0           0

queue 2:           0           0           0

queue 3:           0           0           0

Policer: Inprofile:            0 OutofProfile:            0

bm18.lan#

bm18.lan#

bm18.lan#sh int gi0/10

GigabitEthernet0/10 is up, line protocol is up (connected)

  Hardware is Gigabit Ethernet, address is 0019.e7b1.c68a (bia 0019.e7b1.c68a)

  Description: IPTV

  MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,

     reliability 255/255, txload 1/255, rxload 89/255

  Encapsulation ARPA, loopback not set

  Keepalive set (10 sec)

  Full-duplex, 1000Mb/s, 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 00:00:07, output 00:00:06, output hang never

  Last clearing of "show interface" counters 00:00:37

  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: fifo

  Output queue: 0/40 (size/max)

  5 minute input rate 351051000 bits/sec, 32219 packets/sec

  5 minute output rate 0 bits/sec, 0 packets/sec

     1202212 packets input, 1637377057 bytes, 0 no buffer

     Received 1202205 broadcasts (1202205 multicasts)

     0 runts, 0 giants, 0 throttles

     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored

     0 watchdog, 1202205 multicast, 0 pause input

     0 input packets with dribble condition detected

    83 packets output, 6682 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 out

bm18.lan#

bm18.lan#

Queue counter is reset to 0, and after 10-15 seconds I see 810,894 packets, although a sh Int gi0/10 I see only 83 outgoing packet!

http://s019.radikal.ru/i636/1311/b4/d5ec7bcd853e.png

Super Bronze

Re: 3560 mls qos - output queues counters?

Disclaimer

The   Author of this posting offers the information contained within this   posting without consideration and with the reader's understanding that   there's no implied or expressed suitability or fitness for any purpose.   Information provided is for informational purposes only and should not   be construed as rendering professional advice of any kind. Usage of  this  posting's information is solely at reader's own risk.

Liability Disclaimer

In   no event shall Author be liable for any damages whatsoever (including,   without limitation, damages for loss of use, data or profit) arising  out  of the use or inability to use the posting's information even if  Author  has been advised of the possibility of such damage.

Posting

Well then, perhaps you're bumping into a bug.

422
Views
0
Helpful
3
Replies
CreatePlease to create content