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Huawei S9300 QoS queues

Huawei S9300 QoS queues

Created: Oct 24, 2020 14:15:03Latest reply: Oct 27, 2020 22:36:53 529 6 0 0 0
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Dears,


I noticed that when I check the output of the command:


 display qos queue length interface XGigabitEthernet x/y/z


i found that queue 0 contains some packets are using the buffer with no drop.

the link utilization is 6 Gig so it did not reach the congestion level.


so my question is this normal behavior or not?


and if it is not normal what is the impact and recommendation?



knowing that all 6Gig traffic-related just to queue 0 not to other queues


Thank you in advance


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chenhui
Admin Created Oct 24, 2020 14:42:56

Hi,
You mean why not the packets are forwarded out without entering the queue?
Well, it's normal and you can just ignore that.
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Shark_85
Shark_85 Created Oct 24, 2020 15:10:58 (0) (0)
Thank you a lot.

yes this exactly what I meant.

I read about it and they call it to burst traffic.

and buffering the traffic can add some delay to the service.  
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2#
stephen.xu
stephen.xu Admin Created Oct 24, 2020 14:16:41

Hello, friend
Please wait for a minute
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3#
chenhui
chenhui Admin Created Oct 24, 2020 14:42:56

Hi,
You mean why not the packets are forwarded out without entering the queue?
Well, it's normal and you can just ignore that.
View more
  • x
  • convention：

Shark_85
Shark_85 Created Oct 24, 2020 15:10:58 (0) (0)
Thank you a lot.

yes this exactly what I meant.

I read about it and they call it to burst traffic.

and buffering the traffic can add some delay to the service.  
(0) (0)
4#
vagkaefer
vagkaefer Created Oct 24, 2020 17:56:00

@user_2703297 , can you confirm which transeiver is being used? Is it a Huawei or authorized transceiver?

I already caught some similar problems with unauthorized transceivers, where the use of 70% generated queues and consequently lost packages.
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Shark_85
Shark_85 Created Oct 24, 2020 18:16:22 (0) (0)
it is Huawei trancevier
10GBASE_SR_SFP

but it shows that there at some seconds around 5k bytes buffered in queue 0

this doesn't lead to dropping yet but I am sure any increase will lead to face tail drop in this queue.

my question about if is it normal to notice some of these bytes inside the queue buffer or should not.  
(1) (0)
5#
andrebriceno
andrebriceno Created Oct 27, 2020 22:36:53

Huawei S9300 QoS queues-3489217-1
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