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02-12-2017 01:48 PM - edited 02-13-2017 01:57 AM
02-12-2017 01:48 PM - edited 02-13-2017 01:57 AM
Best practice to remark all incoming traffic with DSCP to EF.
Hello.
I need to mark all incoming traffic from a switch port to DSCP EF and assign it to a queue.
Switch is running Comware 7.10.
Please, can someone validate this config?
#
traffic classifier ALL-INCOMING-TRAFFIC-FROM-DECT-SERVER operator and
if-match any
#
traffic behavior ALL-INCOMING-TRAFFIC-FROM-DECT-SERVER
remark dscp ef
remark local-precedence 5
#
qos policy REMARKING-ALL-INCOMING-TRAFFIC-FROM-DECT-SERVER
classifier ALL-INCOMING-TRAFFIC-FROM-DECT-SERVER behavior ALL-INCOMING-TRAFFIC-FROM-DECT-SERVER
#
interface GigabitEthernet1/0/1
port link-mode bridge
combo enable fiber
qos apply policy ALL-INCOMING-TRAFFIC-FROM-DECT-SERVER inbound
#
Thanks.
A
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02-13-2017 05:30 AM - edited 02-13-2017 05:34 AM
02-13-2017 05:30 AM - edited 02-13-2017 05:34 AM
Re: Best practice to remark all incoming traffic with DSCP to EF.
Hi Mekand!
With these kind of questions we really need to know what switch you are talking about. Even though all of them run Comware, not all of them have the same features available. For example, lower end switches don't have as many QOS queues as the higher end switches do.
Also, the Comware version number is more than the 7.10... the numbers and letters after that are actually more important to know.
Thanks!
David
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02-13-2017 02:38 PM
02-13-2017 02:38 PM
Re: Best practice to remark all incoming traffic with DSCP to EF.
Having said that, the logic looks sound.
I wouldn't worry too much about fiddling with queues - with an IP Precedence of 5, the traffic will be prioritised via one of the higher priority queues (Q3 if there are 4, Q6 if there are 8) so it should be fine.
Also, the most important thing is to provision enough bandwidth in the first place - in an ideal world, QoS does nothing because no packets are being dropped due to congestion.
So, if you're experiencing congestion, upgrade 1Gb links to 10Gb and aggregate multiple links together until congestion is eliminated.
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02-14-2017 03:25 AM
02-14-2017 03:25 AM
Re: Best practice to remark all incoming traffic with DSCP to EF.
Hi David and many thanks for your help.
II'm using 5130HI switch series running software version 7.1.045, Release 1121P03.
Regards.
Andrea