Allied Telesis x900-48 series User's Manual
Contents
1. This set of commands will set the Layer 2 priority of VLAN2 VLAN3 and VLAN4 traffics packets received on ports 1 to 20 to 6 5 and 4 respectively Page 8 Allied Ware OS How To Note QoS configuration 2 Setting the priority on a packet Example 2 3 Setting the Layer 3 TOS DCSP priority per ingress port Use the same configuration provided in Example 2 1 on page 7 but change the following line set gos dscpmap premarking dscp lt incoming dscp gt newpriority lt new priority gt to set gos dscpmap premarking dscp lt incoming dscp gt newdscp lt new value gt Example 2 4 Setting the Layer 3 TOS DSCP priority per VLAN Use the same configuration provided in Example 2 2 on page 8 but change the following line set gos dscpmap premarking dscp lt incoming dscp gt newpriority lt new priority gt to set gos dscpmap premarking dscp lt incoming dscp gt newdscp lt new dscp gt Page 9 AlliedWare OS How To Note QoS configuration 3 Setting the egress queues 3 Setting the egress queues In this section we look at methods for directing certain packets into certain queues on the egress port Example 3 1 Setting the egress queue according to the L2 priority of the incoming packet The priority to queue map is a straightforward method for assigning packets to egress on the basis of the packets 802 1p values AAAAAA Port 24 Ingress ports 20 these ports MAY be carrying a mixtur2. set qos dscpmap premark dscp 30 newqueue 2 set qos dscpmap premark dscp 40 newqueue 6 The traffic classes all need to be configured to use the DSCP value in the incoming packet as the index to use in looking up this premarking table set qos trafficclass 1 premark usedscp set qos trafficclass 2 premark usedscp set qos trafficclass 3 premark usedscp gt Set the required properties on the egress queues The premarking process will use the DSCP map to decide which egress queue to direct the packets into but that will only be of any use if the egress queues have been set up with the required properties What is required is that Gold traffic AL WAYS has precedence over Silver or Bronze traffic So when a Gold packet arrives at the egress port it is transmitted immediately irrespective of how many Silver or Bronze packets might be queued up When there are Silver and Bronze packets queued up they are transmitted according to a Weighted Round Robin WRR scheme This is achieved by ensuring that the egress queue to which Gold traffic is directed to is a priority queue and the egress queues to which the silver and bronze traffic are directed are WRR queues Actually we also want to set the egress queue for the packets generated by the switch s CPU like STP BGP OSPF to queue 7 and make this the highest priority queue of all to prevent any loss of these packets set switch cputxque 7 So we need to specify the queue
3. Start3 2KB stop3 6KB set qos port 24 red 1 Page 16 AlliedWare OS How To Note QoS configuration Full QoS scenario 1 tiered services for a single customer RED curves a refresher Random Early Discard curves are bandwidth class aware and can drop lower priority packets when severe congestion occurs with progressively more and higher priority packets dropped until congestion is eased This is useful for TCP flows because the sender will slow the rate of transmission when it detects a packet loss These curves are very lenient on green traffic but will quickly start dropping yellow and red traffic when congestion occurs Colours of packets over time 228K 4 216K 4 204K 4 192K 4 180K 4 168K 156K 4 144K 4 132K Minbandwidth Bits 120K 4 108K 4 96K 4 72K 60K 48K 36K 24K 12K 0 l 4 5 6 7 8 9 Seconds H Minburst bucket Maxburst bucket T Page 17 AlliedWare OS How To Note QoS configuration Full QoS scenario 2 bandwidth limiting of multiple customers Full QoS scenario 2 bandwidth limiting of multiple customers In this section we will build up another relatively complex QoS configuration to support a different scenario The scenario is an ISP providing connectivity for several independent customers one per port Different customers have signed up for different deals that provide different levels of service In this example to keep t
4. traff 3 set qos port 3 poli 3 set qos port 24 egressque 6 schedu wrrl wrrweight 24 set qos port 24 egressque 5 schedu wrrl wrrweight 12 set qos port 24 egressque 4 schedu wrrl wrrweight 6 This set of commands will set the egress queue of any traffic received from port 1 to egress queue 6 from port 2 to egress queue 5 and from port 3 to egress queue 4 And on egress the WRR algorithm will do the following for every 4 packets from queue 6 2 packets will leave queue 5 and 1 packet will leave queue 4 Page 12 AlliedWare OS How To Note QoS configuration Full QoS scenario 1 tiered services for a single customer Full QoS scenario 1 tiered services for a single customer In this section we will build up a relatively complex QoS configuration to support a scenario requiring quite precise control over the traffic passing through the switch The scenario is an ISP providing connectivity for a customer and offering different levels of service for different types of traffic The customer is connected to port 1 of the switch and the uplink to the ISP is on port 24 of the switch Port 24 uplink to the ISP p Customer LAN gt Step 1 Set the egress bandwidth limiting The service offered by the ISP puts a limit on the total bandwidth of traffic that the customer can send to the ISP This is achieved by setting a maximum bandwidth on the uplink port set switch port 24 egresslimit
5. types of queues 1 2 6 7 on port 24 set qos port 24 egressqueue 6 7 scheduler strict set qos port 24 egressqueue 1 2 scheduler WRR1 The relative weights to give to Silver and Bronze traffic are set by specifying the WRR weight for their queues For example to give a 4 1 ratio of Silver to Bronze traffic set qos port 24 egressqueue 1 wrrweight 1 set qos port 24 egressqueue 2 wrrweight 4 Page 15 AlliedWare OS How To Note QoS configuration Full QoS scenario 1 tiered services for a single customer gt Step 3 Set the bandwidth limits The Gold traffic must be strictly limited to 2Mbps This is achieved by configuring a maxbandwidth on that traffic class and dropping bandwidthclass 3 traffic set gos trafficclass 3 maxbandwidth 2mbps maxburst 20Kbytes dropbwclass3 true For silver traffic there is preferential treatment for the first 5Mbps of traffic So when there is congestion you want to still be getting 5Mbps of Silver traffic through if possible This is achieved by putting bandwidth limits on both Silver and Bronze traffic and using RED curves to shape the throughput back to those limits when congestion occurs set qos trafficclass 2 maxbandwidth 5Mbps maxburst 30Kbytes set qos trafficclass 1 maxbandwidth egresslimit 7 maxburst lt burst gt set qos red 1 queue 2 start1 40KB stop1 260KB start2 7KB stop2 12KB Start3 5KB stop3 10KB set gos red 1 queue 1 start1 20KB stop1 50KB start2 5KB stop2 10KB
6. 2 premarking usemark set qos dscpmap premarking dscp 12 newpriority 5 create qos poli 2 add qos poli 2 traff 2 set qos port 2 poli 2 create class 3 create qos flow 3 add qos flow 3 class 3 create qos traff 3 add qos traff 3 flow 3 remarking priority set qos traff 3 mark 13 premarking usemark set qos dscpmap premarking dscp 13 newpriority 4 create qos poli 3 add qos poli 3 traff 3 set qos port 3 poli 3 Page 7 AlliedWare OS How To Note QoS configuration 2 Setting the priority on a packet Example 2 2 Setting the Layer 2 VLAN 802 1p priority per VLAN A A A Port 24 Ingress ports 1 20 these ports MAY be carrying a mixture of VLAN2 VLAN3 and VLAN4 packets either with or without VLAN tags create class 1 vlan 2 create class 2 vlan 3 create class 3 vlan 4 create qos flow 1 add qos flow 1 class 1 create qos flow 2 add qos flow 2 class 2 create qos flow 3 add qos flow 3 class 3 create qos traff 1 add qos traff 1 flow 1 set qos traff 1 mark 11 premarking usemark set qos dscpmap premarking dscp 11 newpriority 6 create qos traff 2 add qos traff 2 flow 2 set qos traff 2 mark 12 premarking usemark set qos dscpmap premarking dscp 12 newpriority 5 create qos traff 3 add qos traff 3 flow 3 remarking priority set qos traff 3 mark 13 premarking usemark set qos dscpmap premarking dscp 13 newpriority 4 create qos poli 1 add qos poli 1 traff 1 2 3 set qos port 1 20 poli 1
7. MV Allied Telesis AlliedVWare OS How To Configure QoS on AT 9900 x900 48 and x900 24 Series Switches Introduction This document describes some generic configuration examples for Quality of Service QoS on AT 9900 and x900 series switches running the AlliedWare OS What information will you find in this document This document provides information on the following sections 1 Setting the egress rate on page 2 2 Setting the priority on a packet on page 7 3 Setting the egress queues on page 10 Full QoS scenario 1 tiered services for a single customer on page 13 Full QoS scenario 2 bandwidth limiting of multiple customers on page 18 Which product and software version does this information apply to This How To Note applies to the following Allied Telesis switches running the Allied Ware OS software version 2 7 1 or later AT 9924SP AT 9924T AT 9924T 4SP x900 48 series x900 24 series AT 8948 C613 16068 00 REV B www alliedtelesis com 1 Setting the egress rate 1 Setting the egress rate Example 1 1 Setting the egress limit of a switch port Command set switch port 24 egresslimit 640 This command will set the egress limit of port 24 to 640kbps The granularity is 640kbps Page 2 AlliedWare OS How To Note QoS configuration 1 Setting the egress rate Example 1 2 setting the maximum bandwidth limit per ingress port Ingress rate limiting cannot be configur
8. axbandw 256kbps maxburst 5kbyte dropbw yes create qos traff 2 add qos traff 2 flow 2 set qos traff 2 maxbandw 256kbps maxburst 5kbyte dropbw yes create qos traff 3 add qos traff 3 flow 3 set qos traff 3 maxbandw 256kbps maxburst 5kbyte dropbw yes create qos poli 1 add qos poli 1 traff 1 2 3 create qos portgroup 1 ports 1 20 set qos portgroup 1 policy 1 Note The portgroup feature is not supported before software release v2 7 5 If using an earlier software release use the port parameter on the policy instead Page 6 Allied Ware OS How To Note QoS configuration 2 Setting the priority on a packet 2 Setting the priority on a packet Example 2 1 Setting the Layer 2 VLAN 802 1p priority per ingress port Here we assign different 802 1p values to packets arriving on different ports These values are also known as the Layer 2 L2 or VLAN priority Port 24 Ingress ports 20 these ports MAY be carrying a mixture of packets from different VLAN packets either with or without VLAN tags create class 1 create qos flow 1 add qos flow 1 class 1 create qos traff 1 add qos traff 1 flow 1 set qos traff 1 mark 11 premarking usemark set qos dscpmap premarking dscp 11 newpriority 6 create qos poli 1 add qos poli 1 traff 1 set qos port 1 poli 1 create class 2 create qos flow 2 add qos flow 2 class 2 create qos traff 2 add qos traff 2 flow 2 set qos traff 2 mark 1
9. e of packets from different VLAN packets either with or without VLAN tags set qos prio2queuemap 2 3 1 0 4 5 6 7 set qos port 1 20 defaultque 2 Command The first command sets the mapping between the VLAN Tag User Priorities of the packets settings and the egress queues Priorities 0 to 7 are mapped to queues 2 3 1 0 4 5 6and 7 respectively The second command sets the incoming ports to send untagged packets to queue number 2 which means the untagged packets will use the same queue as the tagged packets with a User Priority of 1 Page 10 AlliedWare OS How To Note QoS configuration 3 Setting the egress queues Example 3 2 Setting the egress queue according to the ingress port Port 24 Ingress ports 20 these ports MAY be carrying a mixture of packets from different VLAN packets either with or without VLAN tags create class 1 create qos flow 1 add qos flow 1 class 1 create qos traff 1 add qos traff 1 flow 1 set qos traff 1 mark 11 premarking usemark set qos dscpmap premarking dscp 11 newqueue 6 create qos poli 1 add qos poli 1 traff 1 set qos port 1 poli 1 create qos flow 2 add qos flow 2 class 1 create qos traff 2 add qos traff 2 flow 2 set qos traff 2 mark 12 premarking usemark set qos dscpmap premarking dscp 12 newqueue 5 create qos poli 2 add qos poli 2 traff 2 set qos port 2 poli 2 create qos flow 3 add qos flow 3 class 1 create qos traff 3 add qos traff 3 flo
10. each port Port 24 Internet connection Users connected to the switch downloading files from the Internet 192 168 1 0 24 192 168 23 0 24 create class 1 ipda 192 168 1 0 24 create class 2 ipda 192 168 2 0 24 create class 3 ipda 192 168 3 0 24 create gos flow 1 add qos flow 1 class 1 create gos traf 1 add qos traf 1 flow 1 set qos traf 1 maxbandw 256kbps maxburst 5kbyte dropbw yes create qos flow 2 add qos flow 2 class 2 create qos traf 2 add qos traf 2 flow 2 set qos traf 2 maxbandw 256kbps maxburst 5kbyte dropbw yes create qos flow 3 add qos flow 3 class 3 create qos traf 3 add qos traf 3 flow 3 set qos traf 3 maxbandw 256kbps maxburst 5kbyte dropbw yes create qos poli 1 add qos poli 1 traff 1 23 set qos port 24 poli 1 This set of commands will set the total egress limit download traffic for each subnet to 256kbps The granularity is around 1kbps Page 5 Allied Ware OS How To Note QoS configuration 1 Setting the egress rate Example 1 5 Setting the maximum bandwidth limit of VLANs AAAAAA Port 24 Ingress ports 20 these ports are carrying a mixture of VLAN2 VLAN3 and VLAN4 packets either with or without VLAN tags create class 1 vlan 2 create class 2 vlan 3 create class 3 vlan 4 create gos flow 1 add qos flow 1 class 1 create qos flow 2 add qos flow 2 class 2 create qos flow 3 add qos flow 3 class 3 create qos traff 1 add qos traff 1 flow 1 set qos traff 1 m
11. ed on the port per se but is achieved by creating a QoS policy with a bandwidth limited traffic class and applying that policy to each port A A A A A A Ingress ports 1 20 create class 1 create qos flow 1 add qos flow 1 class 1 create qos traff 1 add qos traff 1 flow 1 set qos traff 1 maxbandwidth 128kbps maxburst 5kbyte dropbw yes create qos poli 1 add qos poli 1 traff 1 set qos port 1 poli 1 create qos flow 2 add qos flow 2 class 1 create qos traff 2 add qos traff 2 flow 2 set qos traff 2 maxbandwidth 256kbps maxburst 5kbyte dropbw yes create qos poli 2 add qos poli 2 traff 2 set qos port 2 poli 2 create qos flow 3 add qos flow 3 class 1 create qos traff 3 add qos traff 3 flow 3 remarking priority set qos traff 3 maxbandwidth 64kbps maxburst 5kbyte dropbw yes create qos poli 3 add qos poli 3 traff 3 set qos port 3 poli 3 This set of commands will set the ingress rate of traffic received per port from ports 1 to 20 to various different values Note that classifier 1 matches every packet The granularity of the rate limiting is around 1 kbps Page 3 Allied Ware OS How To Note QoS configuration 1 Setting the egress rate Example 1 3 Setting the maximum bandwidth limit for each user In example 1 1 we configured an egress rate on ports But the granularity of that bandwidth limiting was multiples of 640kbps To achieve a finer grained limiting on egress it is nece
12. hings simple we will just consider the customers connected to ports 1 5 of the switch Also we will assume that port 24 provides the uplink connection to the Internet Internet Port 24 uplink to the ISP gt Step 1 Bandwidth limiting First let us consider the basic bandwidth limit that has been imposed on each customer Port IP address Bandwidth limit 1 212 12 12 1 1Mbps 2 212 12 12 2 10Mbps 3 212 12 12 3 15Mbps 4 212 12 12 4 5Mbps 5 212 12 12 5 2Mbps Page 18 AlliedWare OS How To Note QoS configuration Full QoS scenario 2 bandwidth limiting of multiple customers The configuration required to impose these bandwidth limits would be Limiting the outgoing traffic create qos pol d create qos pol d create qos pol d create qos pol d create qos pol d tcmaxburst tcmaxburst tcmaxburst tcmaxburst tcmaxburst licy 1 10Kb licy 2 10Kb licy 3 10Kb licy 4 10Kb licy 5 10Kb set set qos set qos set qos set qos Limiting the incomi qos port 1 port 2 port 3 port 4 port 5 ng traffic create class 6 ipda 212 create create create create class 7 ipda 212 class 8 ipda 212 class 9 ipda 212 create qos flow 6 poli poli poli poli poli dtcdropbwclass3 yes dtcdropbwclass3 yes dtcdropbwclass3 yes dtcdropbwclass3 yes dtcdropbwclass3 yes d 2 3 4 5 add q
13. kets with the appropriate DSCP values The DSCP values belonging to the different traffic categories are Gold 40 Silver 30 Bronze 0 The classifiers to match these DSCP values are create classifier 1 ipds 0 create classifier 2 ipds 30 create classifier 3 ipds 40 gt Put the different categories of trafffic into different queues There are 3 flow groups created and the appropriate classifiers are added to each flow group create qos flowgroup 1 create qos flowgroup 2 create qos flowgroup 3 add qos flowgroup 1 classifier 1 add qos flowgroup 2 classifier 2 add qos flowgroup 3 classifier 3 Then three traffic classes are created each containing one flow group create qos trafficclass 1 create qos trafficclass 2 create qos trafficclass 3 add qos trafficclass 1 flowgroup 1 add qos trafficclass 2 flowgroup 2 add qos trafficclass 3 flowgroup 3 create qos policy 1 add qos policy 1 traffic 1 2 3 set qos port 1 policy 1 This way each category of traffic is associated with a different traffic class Page 14 AlliedWare OS How To Note QoS configuration Full QoS scenario 1 tiered services for a single customer The act of assigning packets in a particular traffic class to a particular egress queue is achieved in the pre marking process This requires that the pre marking DSCP map table be set up to send packets to appropriate queues based on their DSCP value set qos dscpmap premark dscp 0 newqueue 1
14. lt limit gt gt Step 2 Give better service to some types of traffic than to others The deal offered to the customer is that their traffic will be treated as belonging to three categories and each category of traffic will be given a different level of service Gold traffic will be limited to say 2Mbps but the ISP will guarantee delivery of the traffic across their network with a low latency Silver traffic will not have a particular limit i e it can burst up to the max egress bandwidth of the uplink port but when congestion occurs it will be throttled back in favour of Gold traffic if necessary The ISP will guarantee to deliver up to say 5Mbps of Silver traffic across its network 9076 of the time but will give no guarantees about latency Page 13 AlliedWare OS How To Note QoS configuration Full QoS scenario 1 tiered services for a single customer Bronze traffic is also allowed to burst up to the full egress bandwidth of the uplink port but when congestion occurs will be throttled back in favour of Gold traffic and will share the remaining bandwidth with Silver traffic in a Weighted Round Robin fashion The ISP makes no guarantees at all with regard to delivery of Bronze traffic across their network it will be delivered on a best effort basis Identify the types of traffic The different categories of traffic will be identified by the DSCP values in the packets headers It is up to the customer to mark the pac
15. ore we need to classify VoIP traffic create classifier 11 udpdport 5060 create classifier 12 udpdport 5061 create classifier 13 udpdport 5004 udpdmask FFFE create classifier 14 udpdport 16384 udpdmask 8000 The VoIP traffic needs to be associated to a traffic class that applies a strict max bandwidth and uses the premarking DSCP map to assign the traffic to a high priority queue and to mark the DSCP fields of the packets for good measure set gos dscpmap premarking dscp 55 newqueu 6 newdscp 55 So the configuration for the QoS to be applied to the outgoing traffic now becomes set gos dscpmap premarking dscp 55 newqueu 6 newdscp 55 create classifier 11 udpdport 5060 create classifier 12 udpdport 5061 create classifier 13 udpdport 5004 udpdmask FFFE create classifier 14 udpdport 16384 udpdmask 8000 create gos flow 1 add qos flow 1 class 11 14 create qos traffic 1 markvalue 55 premark usemarkvalue set qos traffic 1 maxband 64Kbps dropbwclass3 yes maxburst 10kbytes Page 20 AlliedWare OS How To Note QoS configuration create qos policy 1 dtcdropbwclass3 yes dtcmaxbandwidth 1Mbps dtcmaxburst 10Kb add qos poli 1 traffic 1 create qos policy 2 dtcdropbwclass3 yes dtcmaxbandwidth 10Mbps dtcmaxburst 10Kb add qos poli 2 traffic 1 create qos policy 3 dtcdropbwclass3 yes dtcmaxbandwidth 15Mbps dtcmaxburst 10Kb add qos poli 3 traffic 1 create qos policy 4 dtcdropbwclass3 yes dtcmaxbandwidth 5Mbps dtcmaxbu
16. os flow 6 class 6 create qos flow 7 add qos f create qos flow 8 add qos f create qos flow 9 low 7 class 7 low 8 class 8 add qos flow 9 class 9 create qos flow 10 add qos f create qos traff 6 low 10 class 10 12 12 1 124 12 2 12 T12 3 12 12 4 class 10 ipda 212 12 12 5 tcmaxbandwidth 1Mbps tcmaxbandwidth 10Mbps tcmaxbandwidth 15Mbps tcmaxbandwidth 5Mbps tcmaxbandwidth 2Mbps set qos traff 6 maxband 1Mbps maxburst 10Kb dropbwc yes add qos traff 6 flow 6 create qos traff 7 set qos traff 7 maxband 10Mbps maxburst 10Kb dropbwc yes add qos traff 7 flow 7 create qos traff 8 set qos traff 8 maxband 15Mbps maxburst 10Kb dropbwc yes add qos traff 8 flow 8 Page 19 AlliedWare OS How To Note QoS configuration Full QoS scenario 2 bandwidth limiting of multiple customers create gos traff 9 set gos traff 9 maxband 5Mbps maxburst 10Kb dropbwc yes add qos traff 9 flow 9 create qos traff 10 set gos traff 10 maxband 2Mbps maxburst 10Kb dropbwc yes add qos traff 10 flow 10 create qos poli 6 add qos poli 6 traff 6 10 set qos port 24 poli 6 gt Step 2 Giving better service to VOIP traffic The ISP can offer to the customer a guarantee that VoIP traffic up to a certain relatively low bandwidth will be given preferential treatment So for each port VoIP traffic will be classified into its own traffic class and directed to a high priority egress queue Theref
17. rst 10Kb add qos poli 4 traffic 1 create qos policy 5 dtcdropbwclass3 yes dtcmaxbandwidth 2Mbps dtcmaxburst 10Kb add qos poli 5 traffic 1 set qos port 1 poli 1 set qos port 2 poli 2 set qos port 3 poli 3 set qos port 4 poli 4 set qos port 5 poli 5 USA Headquarters 19800 North Creek Parkway Suite 200 Bothell VVA 98011 USA T 1 800 424 4284 F 425 481 3895 European Headquarters Via Motta 24 6830 Chiasso Switzerland T 41 91 69769 00 F 41 91 69769 11 Asia Pacific Headquarters Tai Seng Link Singapore 534182 T 65 6383 3832 F 65 6383 3830 www alliedtelesis com 2007 Allied Telesis Inc All rights reserved Information in this document is subject to change without notice Allied Telesis is a trademark or registered trademark of Allied Telesis Inc in the United States and other countries All company names logos and product designs that are trademarks or registered trademarks are the property of their respective owners C613 16068 00 REV B Connecting The World AV Allied Telesis
18. ssary to make use of traffic classes In this example we assume that there is one device with a known IP address attached to each port A traffic class will be created for each such IP address and a maximum bandwidth applied to the traffic class Port 24 Internet connection Cv vvvvvv j Users connected to the switch downloading files from the Internet 192 168 1 1 192 168 1 25 create class 1 ipda 192 168 1 1 create class 2 ipda 192 168 1 2 create class 3 ipda 192 168 1 3 create qos flow 1 add qos flow 1 class 1 create qos traf 1 add qos traf 1 flow 1 set qos traf 1 maxbandw 256kbps maxburst 5kbyte dropbw yes create qos flow 2 add qos flow 2 class 2 create qos traf 2 add qos traf 2 flow 2 set qos traf 2 maxbandw 256kbps maxburst 5kbyte dropbw yes create qos flow 3 add qos flow 3 class 3 create qos traf 3 add qos traf 3 flow 3 set qos traf 3 maxbandw 256kbps maxburst 5kbyte dropbw yes create qos poli 1 add qos poli 1 traff 1 23 set qos port 24 poli 1 This set of commands will set the total egress limit download traffic for each user to 256kbps The granularity is around 1kbps Page 4 AlliedWare OS How To Note QoS configuration 1 Setting the egress rate Example 1 4 Setting the maximum bandwidth limit for each IP subnet This example is very similar to example 1 3 except that it is assumed that a whole subnet is attached to each port not just a single device on
19. w 3 remarking priority set qos traff 3 mark 13 premarking usemark set qos dscpmap premarking dscp 13 newqueue 4 create qos poli 3 add qos poli 3 traff 3 set qos port 3 poli 3 This set of commands will set the egress queue of any traffic received from port 1 to egress queue 6 from port 2 to egress queue 5 etc Page I1 AlliedWare OS How To Note QoS configuration 3 Setting the egress queues Example 3 3 Configuring WRR for egress queues This example is used for configuring WRR on egress queues according to the ingress port of the traffic Port 24 Ingress ports 3 these ports MAY be carrying a mixture of packets from different VLAN packets either with or without VLAN tags create class 1 create qos flow 1 add qos flow 1 class 1 create qos traff 1 add qos traff 1 flow 1 set qos traff 1 mark 11 premarking usemark set qos dscpmap premarking dscp 11 newqueue 6 create qos poli 1 add qos poli 1 traff 1 set qos port 1 poli 1 create qos flow 2 add qos flow 2 class 1 create qos traff 2 add qos traff 2 flow 2 set qos traff 2 mark 12 premarking usemark set qos dscpmap premarking dscp 12 newqueue 5 create qos poli 2 add qos poli 2 traff 2 set qos port 2 poli 2 create qos flow 3 add qos flow 3 class 1 create qos traff 3 add qos traff 3 flow 3 remarking priority set qos traff 3 mark 13 premarking usemark set qos dscpmap premarking dscp 13 newqueue 4 create qos poli 3 add qos poli 3
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