Document Outline

• Contents
• Preface
  • Document conventions
    • Text formatting conventions
    • Command syntax conventions
    • Notes, cautions, and warnings
  • Brocade resources
  • Getting technical help
  • Document feedback
• About This Document
  • About This Document
  • What’s new in this document
  • How command information is presented in this guide
• Quality of Service
  • Supported Quality of Service features
  • QoS overview
    • Processing of classified traffic
      • Determining the trust level of a packet
  • QoS for Brocade stackable devices
    • QoS profile restrictions in a traditional stack
    • QoS behavior for trusting Layer 2 (802.1p) in a traditional stack
    • QoS behavior for trusting Layer 3 (DSCP) in a traditional stack
    • QoS behavior on port priority and VLAN priority in a traditional stack
    • QoS behavior for 802.1p marking in a traditional stack
  • QoS queues
    • Queues for the SX-FI48GPP interface module
    • Queues for the SX-FI-8XG interface module
    • Queues for the ICX 6430 switch
    • User-configurable scheduler profile
      • User-configurable scheduler profile configuration
      • Displaying the user-configurable scheduler profile configuration
  • QoS priorities-to-traffic assignment
    • Changing a port priority
    • Assigning static MAC entries to priority queues
    • Buffer allocation and threshold for QoS queues
  • 802.1p priority override
    • Configuration notes and feature limitations
    • Enabling 802.1p priority override
  • Marking
  • DSCP and CoS global remarking
    • Configuration considerations and limitations
    • Enabling DSCP marking
    • Example: DSCP marking
    • Enabling CoS marking
    • Example: CoS marking
  • DSCP-based QoS configuration
    • Application notes for DSCP-based QoS
    • Using ACLs to honor DSCP-based QoS
      • FCX and ICX devices
      • FSX Series devices
    • Trust DSCP for the SX-FI48GPP, SX-FI-24GPP, SX-FI-24HF, SX-FI-2XG, and SX-FI8XG modules
  • Configuring QoS mapping configuration
    • Default DSCP to internal forwarding priority mappings
    • Changing the DSCP to internal forwarding priority mappings
    • Changing the VLAN priority 802.1p to hardwareforwarding queue mappings
    • Default scheduling configuration for the SX-FI48GPP module
    • Default scheduling configuration for the ICX 6430
  • Scheduling QoS information
    • Scheduling for the SX-FI48GPP module
    • QoS queuing methods
    • Selecting the QoS queuing method
    • Configuring the QoS queues
      • Renaming the queues
      • Changing the minimum bandwidth percentages of the WRR queues
      • Configuration notes for changing the bandwidth
      • Bandwidth allocations of the hybrid WRR and SP queues
  • Viewing QoS settings
  • Viewing DSCP-based QoS settings
• Rate Limiting and Rate Shaping on FastIron X Series and FCX and ICX Series Switches
  • Supported Rate Limiting and Rate Shaping features on FastIron X Series and FCX and ICX Series Switches
  • Rate limiting overview
  • Rate limiting in hardware
    • How Fixed rate limiting works
    • Configuration notes for rate limiting
    • Configuring a port-based rate limiting policy
    • Configuring an ACL-based rate limiting policy
    • Displaying the fixed rate limiting configuration
  • Rate shaping overview
    • Configuration notes for rate shaping
    • Configuring outbound rate shaping for a port
    • Configuring outbound rate shaping for a specific priority
    • Configuring outbound rate shaping for a LAG port
    • Displaying rate shaping configurations
• Limiting Broadcast, Multicast, and Unknown Unicast Traffic
  • Supported Limiting Broadcast, Multicast, and Unknown Unicast Traffic Features
  • Configuration notes and feature limitations
  • Command syntax for packet-based limiting
    • On FastIron X-Series devices
    • On Brocade FCX Series, ICX 6430 , and ICX 6650 devices
    • On Brocade ICX 6610 and ICX 6450 devices
  • Command syntax for byte-based limiting
  • Viewing broadcast, multicast, and unknown unicast limits
• Traffic Policies
  • Supported Traffic Policies
  • Traffic policies overview
    • Configuration notes and feature limitations for traffic policies
  • Maximum number of traffic policies supported on a device
    • Setting the maximum number of traffic policies supported on a Layer 3 device
  • ACL-based rate limiting using traffic policies
    • Support for fixed rate limiting and adaptive rate limiting
    • Configuring ACL-based fixed rate limiting
    • ACL-based adaptive rate limiting configuration
      • Configuring ACL-based adaptive rate limiting
      • Inspecting the 802.1p bit in the ACL for adaptive rate limiting
    • Specifying the action to be taken for packets that are over the limit
      • Dropping packets that exceed the limit
      • Permitting packets that exceed the limit
  • ACL statistics and rate limit counting
    • Enabling ACL statistics
    • Enabling ACL statistics with rate limiting traffic policies
    • Viewing ACL and rate limit counters
    • Clearing ACL and rate limit counters
  • Viewing traffic policies
  • CPU rate-limiting
• ICX 7750 Flow control and buffer management
  • Priority flow control
  • Configuring priority flow control
  • Packet buffer management
• Traffic Management Commands
  • egress-buffer-profile
  • ip dscp-remark
  • ip pcp-remark
  • priority-flow-control
  • priority-flow-control enable
  • qos egress-buffer-profile
  • qos priority-to-pg
  • qos scheduler-profile
  • scheduler-profile
  • show priority-flow-control
  • show qos egress-buffer-profile
  • show qos priority-to-pg
  • show qos scheduler
  • store-and-forward
  • symmetrical-flow-control enable
• Index