Supermicro SSE-X3348S Configuration Manual
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Supermicro SSE-X3348S Configuration Manual

L2 / l3 switches quality of service (qos)
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L2 / L3 Switches
Quality of Service (QoS)
Configuration Guide
Revision 1.0

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Summary of Contents for Supermicro SSE-X3348S

  • Page 1 L2 / L3 Switches Quality of Service (QoS) Configuration Guide Revision 1.0...
  • Page 2 Please Note: For the most up-to-date version of this manual, please seeour web site at www.supermicro.com. Super Micro Computer, Inc. (“Supermicro”) reserves the right to make changes to the product describedin this manual at any time and without notice.

  • Page 3: Table Of Contents

    Default Configuration ......................10 1.6.2 Enabling QoS ........................11 1.6.3 Configuring Policy-Based QoS ..................... 12 1.6.4 Configuring CoS-Based QoS ....................19 1.6.5 Configuring Port Rate Limit ....................24 1.6.6 Configuring HOL Blocking Prevention ................. 25 Supermicro L2/L3 Switches Configuration Guide...

  • Page 4: Qos Configuration Guide

    1 QoS Configuration Guide This document describes the system features supported in Supermicro Layer 2 / Layer 3 switches. This document describes the system features supported in Supermicro Layer 2 / Layer 3 switch products. This document covers the system configurations for the below listed Supermicro switch products.
  • Page 5 Classifying distinguishes one kind of traffic from another. • Policing determines whether a packet is in or out of profile according to the configured policer. • The policeralso limits the bandwidth consumed by a flow of traffic. Supermicro L2/L3 Switches Configuration Guide...

  • Page 6: Policy-Based Qos

    1.2.1 Classification and Marking Classification is the process of distinguishing one kind of traffic from another by examining the fieldsin the packet. Supermicro switches use ACL’s to specify the fields in the frame or packet based on which incoming IP traffic is classified.

  • Page 7: Policing

    • 1.3.1 Egress Queuing The CoS priority of a packet is mapped to a traffic class.Supermicro switchesprovide support to configure the mapping of CoS priority to a traffic class.Each traffic class is mapped to eight egress queues in the switch.

  • Page 8: Scheduling

    Based on CoS to egress queue mapping, packets with CoS value 7 are queued in Queue-7 and transmitted 1.3.2 Scheduling Supermicro switches support eight CoS queues for each egress port. For each of the eightqueues, various typesof scheduling can be configured: Strict Priority Strict priority scheduling is based on the priority of queues.

  • Page 9: Default Priority

    (voice, video, data, etc.). For IEEE 802.1Q frames with tag information, the priority value from the header frame is used. For native frames, the default priority of the input port is used. Supermicro switches allow users to configure the default port priority.

  • Page 10: Bandwidth Management

    Traffic that exceeds the rate limit is dropped. Supermicro switches support output rate limits. 1.5 HOLBlocking Prevention Supermicro switches provide eight egress queues per port. Each queue has a dynamic packet limit based on the availability of packet buffer memory. When a switch receives packets at a fast rate destined to a particular egress port, its egress port queuesbecome filled up.

  • Page 11: Enablingqos

    Burst Size Enabled The default priority to traffic classqueue mapping: Priority Traffic Class queue 1.6.2 EnablingQoS QoS is disabled by default in Supermicro switches. Follow the below steps to enable QoS. Step Command Description configure terminal Step 1 Enters the configuration mode...

  • Page 12: Configuringpolicy-Based Qos

    - Accesses list created based on MAC addresses for non-IP traffic ip-access-list - Accesses list created based on IP addresses. The IP-access list can either bedefined as a standard IP-access list or an extended IP-access list. Supermicro L2/L3 Switches Configuration Guide...
  • Page 13 Average traffic rate in kilobitsper second (Kbps), in range 64-1048572 exceed-action - Indicates the action of the switch when the specified rate is exceeded. Supermicro L2/L3 Switches Configuration Guide...
  • Page 14 Create a Layer 2 MAC ACL with two permit statements and attach it to an ingress interface. The first permit statement allows traffic from the host with a MAC address of 00:30:48:14:c8:29to be sent to any host. Supermicro L2/L3 Switches Configuration Guide...
  • Page 15 SMIS(config-pmap)# class 10 Existing policymap configurations have been deleted. Please apply the policymap to make it active. SMIS(config-pmap-c)# set cos 7 SMIS(config-pmap-c)# end SMIS# show policy-map DiffServ Configurations: ------------------------ Quality of Service has been enabled Supermicro L2/L3 Switches Configuration Guide...
  • Page 16 Filter Type : MAC-FILTER DiffServ Configurations: ------------------------ Class map 10 -------------- Filter ID : mac2 Filter Type : MAC-FILTER SMIS# show running-config Building configuration... Switch ID Hardware Version Firmware Version SBM-GEM-X3S+ (B4-01) 1.0.14-3 vlan 1 Supermicro L2/L3 Switches Configuration Guide...
  • Page 17 If the matched traffic exceeds an average traffic rate of 4800 bps, its DSCP is marked down to a value of 10 and transmitted. SMIS# configure terminal SMIS(config)# ip access-list standard 1 SMIS(config-std-nacl)# permit 20.1.0.0 255.255.0.0 any SMIS(config-std-nacl)# exit Supermicro L2/L3 Switches Configuration Guide...
  • Page 18 : 500000 Out profile action : policed-dscp 10 SMIS# show class-map DiffServ Configurations: ------------------------ Class map 1 -------------- Filter ID Filter Type : IP-FILTER SMIS# show running-config Building configuration... Switch ID Hardware Version Firmware Version Supermicro L2/L3 Switches Configuration Guide...

  • Page 19: Configuring Cos-Based Qos

    Class –Traffic class in range of 0-7. Step 3 interface <interface-type><interface-id> (Optional) Enters interface configuration mode. interface range <interface-type><interface-id> …. interface-type – may be any of the following: gigabit-ethernet – gi extreme-ethernet – ex qx-ethernet – qx Supermicro L2/L3 Switches Configuration Guide...
  • Page 20 64-16777152 Step 7 Exits the configuration mode. show vlan port config port [<interface- Step 8 Displays the port default priority type><interface-id>] configuration. show vlan traffic-classes Display the traffic class and egress queue mapping. Supermicro L2/L3 Switches Configuration Guide...
  • Page 21 Port Restricted Vlan Registration : Disabled Port Restricted Group Registration : Disabled Mac Based Support : Disabled Port-and-Protocol Based Support : Enabled Default Priority Filtering Utility Criteria : Default Allowed Vlans on Trunk : 1-4069 Trunk Native Vlan Id Supermicro L2/L3 Switches Configuration Guide...
  • Page 22 StrictPriority Gi0/12 StrictPriority Gi0/13 StrictPriority Gi0/14 StrictPriority Gi0/15 StrictPriority Gi0/16 StrictPriority Gi0/17 StrictPriority Gi0/18 StrictPriority Gi0/19 StrictPriority Gi0/20 StrictPriority Gi0/21 StrictPriority Gi0/22 StrictPriority Gi0/23 StrictPriority Gi0/24 StrictPriority Ex0/1 StrictPriority Ex0/2 StrictPriority Ex0/3 StrictPriority Ex0/3 StrictPriority Supermicro L2/L3 Switches Configuration Guide...
  • Page 23 6400 6400000 Gi0/15 Example 4: Egress Queue SMIS# configure terminal SMIS(config)# vlan map-priority 2 traffic-class 7 SMIS(config)# end SMIS# show vlan traffic-classes Priority to Traffic Class Queue Mapping --------------------------------------- Priority Traffic Class Queue --------- ------------------- Supermicro L2/L3 Switches Configuration Guide...

  • Page 24: Configuring Port Rate Limit

    1.6.5 Configuring Port Rate Limit Rate limit is disabled by default in Supermicro switches. Follow the below steps to enable the port rate limit. Step Command Description Step 1 configure terminal Enters the configuration mode interface <interface-type><interface-id> Step 2 (Optional)

  • Page 25: Configuring Hol Blocking Prevention

    Gi0/20 Rate Limit : 500000 Kbps Burst Size : 4800 Kbps 1.6.6 Configuring HOL Blocking Prevention HOL is enabled by default in Supermicro switches. Follow the steps below to disable HOL blocking. Step Command Description Step 1 configure terminal Enters the configuration mode...
  • Page 26 Octets Unicast Packets Broadcast Packets Multicast Packets Pause Frames Undersize Frames Oversize Frames CRC Error Frames Discarded Packets Error Packets Unknown Protocol Transmission Counters Octets Unicast Packets Non-Unicast Packets Pause Frames Discarded Packets Error Packets Supermicro L2/L3 Switches Configuration Guide...

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