HPE 3100 v2 Series Configuration Manual
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HPE 3100 v2 Series Configuration Manual

HPE 3100 v2 Series Configuration Manual

Acl and qos
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HPE 3100 v2 Switch Series
ACL and QoS

Configuration Guide

Part number: 5998-5995s
Software version: Release 5213 and Release 5213P02
Document version: 6W101-20160506

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Summary of Contents for HPE 3100 v2 Series

  • Page 1: Configuration Guide

    HPE 3100 v2 Switch Series ACL and QoS Configuration Guide Part number: 5998-5995s Software version: Release 5213 and Release 5213P02 Document version: 6W101-20160506...
  • Page 2 © Copyright 2016 Hewlett Packard Enterprise Development LP The information contained herein is subject to change without notice. The only warranties for Hewlett Packard Enterprise products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. Hewlett Packard Enterprise shall not be liable for technical or editorial errors or omissions contained herein.

  • Page 3: Table Of Contents

    QoS configuration approaches ····································································· 18     MQC approach ················································································································································· 18   Non-MQC approach ········································································································································· 18 Configuring a QoS policy (available only on the HPE 3100 v2 EI) ················ 19     Overview ·························································································································································· 19   Defining a class ················································································································································ 19  ...
  • Page 4 Configuring SP+WRR queuing ························································································································ 47   Configuration procedure ··························································································································· 47   Configuration example ····························································································································· 47 Configuring traffic filtering (available only on the HPE 3100 v2 EI) ··············· 48     Configuration procedure ·································································································································· 48   Traffic filtering configuration example ·············································································································· 49  ...
  • Page 5 Configuring priority marking (available only on the HPE 3100 v2 EI) ··········· 50     Configuration procedure ·································································································································· 50   Local precedence re-marking configuration example ······················································································ 51   Network requirements ······························································································································ 51   Configuration procedure ··························································································································· 51 Configuring traffic redirecting (available only on the HPE 3100 v2 EI) ········· 53  ...

  • Page 6: Configuring Acls

    Configuring ACLs Unless otherwise stated, ACLs refer to both IPv4 and IPv6 ACLs throughout this document. Overview An access control list (ACL) is a set of rules (or permit or deny statements) for identifying traffic based on criteria such as source IP address, destination IP address, and port number. ACLs are primarily used for packet filtering.

  • Page 7: Match Order

    IPv6 basic or advanced ACL, its ACL number and name must be unique among all IPv6 ACLs. You can assign an IPv4 ACL and an IPv6 ACL the same number and name. Match order The rules in an ACL are sorted in a specific order. When a packet matches a rule, the device stops the match process and performs the action defined in the rule.

  • Page 8: Acl Rule Numbering

    Traditional packet filtering matches only first fragments of packets, and allows all subsequent non-first fragments to pass through. Attackers can fabricate non-first fragments to attack networks. To avoid the risks, the HPE ACL implementation: • Filters all fragments by default, including non-first fragments.

  • Page 9: Configuring A Time Range

    Task Remarks Optional. Copying an ACL Applicable to IPv4 and IPv6. Optional. Packet filtering with ACLs Applicable to IPv4 and IPv6. Configuring a time range You can implement ACL rules based on the time of day by applying a time range to them. A time-based ACL rule only takes effect in any time periods specified by the time range.

  • Page 10: Configuring An Ipv6 Basic Acl

    By default, no rule range remarks are configured. Optional. Disabled by default. 10. Enable counting ACL rule This command is available only on the HPE 3100 v2 matches hardware-count enable EI switches. performed in This command takes effect only for an ACL used for hardware.

  • Page 11: Configuring An Advanced Acl

    [ rule-id ] remark text range remark. By default, no rule range remarks are configured. Optional. Disabled by default. Enable counting This command is available only on the HPE 3100 v2 ACL rule matches hardware-count enable EI switches. performed in hardware.

  • Page 12: Configuring An Ipv6 Advanced Acl

    By default, no rule range remarks are configured. remark. Optional. Disabled by default. Enable counting ACL rule This command is available only on the HPE 3100 matches hardware-count enable v2 EI switches. performed in This command takes effect only for an ACL used hardware.

  • Page 13: Configuring An Ethernet Frame Header Acl

    By default, no rule range remarks are configured. remark. Optional. Disabled by default. Enable counting ACL This command is available only on the HPE 3100 rule matches hardware-count enable v2 EI switches. performed in This command takes effect only for an ACL used hardware.

  • Page 14: Copying An Acl

    By default, no rule range remarks are configured. remark. Optional. Disabled by default. Enable counting ACL This command is available only on the HPE 3100 v2 rule matches hardware-count enable EI switches. performed in This command takes effect only for an ACL used for hardware.

  • Page 15: Copying An Ipv6 Acl

    Packet filtering with ACLs IMPORTANT: This feature is available only on the HPE 3100 v2 EI switches. You can use an ACL to filter incoming or outgoing IPv4 or IPv6 packets. You can apply one IPv4 ACL, one IPv6 AL, and one Ethernet frame header ACL most to filter packets in the same direction of an interface.

  • Page 16: Applying An Ipv6 Acl For Packet Filtering

    Display the usage of ACL rules. { begin | exclude | include } available only on the regular-expression ] HPE 3100 v2 EI switches. Available in any view display packet-filter { { all | interface Display the application status of...

  • Page 17: Configuration Example Of Using Acl For Device Management

    Configuration example of using ACL for device management Network requirements As shown in Figure 1, configure ACLs so that: • Host A can telnet to the switch only during the working time (8:30 to 18:00 of every working day). • As a TFTP client, the switch can get files from only the server 11.1.1.100.

  • Page 18: Ipv4 Packet Filtering Configuration Example

    # Use ACL 2001 to control FTP clients' access to the FTP server. [Switch] ftp server acl 2002 IPv4 packet filtering configuration example IMPORTANT: This example is available only on the HPE 3100 v2 EI switches. Network requirements As shown in Figure 2, apply an ACL to the inbound direction of interface Ethernet 1/0/1 on Device A so that every day from 08:00 to 18:00 the interface allows only packets sourced from Host A to pass.

  • Page 19: Ipv6 Packet Filtering Configuration Example

    [DeviceA-Ethernet1/0/1] packet-filter 2009 inbound [DeviceA-Ethernet1/0/1] quit IPv6 packet filtering configuration example IMPORTANT: This example is available only on the HPE 3100 v2 EI switches. Network requirements As shown in Figure 3, apply an IPv6 ACL to the incoming traffic of Ethernet 1/0/1 on Device A so that every day from 08:00 to 18:00 the interface allows only packets from Host A to pass through.
  • Page 20 [DeviceA-acl6-basic-2009] rule permit source 1001::2 128 time-range study logging [DeviceA-acl6-basic-2009] rule deny source any time-range study [DeviceA-acl6-basic-2009] quit # Configure the device to collect and output IPv6 packet filtering logs at 10-minute intervals. [DeviceA] acl ipv6 logging frequence 10 # Configure the device to output informational log messages to the console. [DeviceA] info-center source default channel 0 log level informational # Apply IPv6 ACL 2009 to filter incoming packets on Ethernet 1/0/1.

  • Page 21: Qos Overview

    QoS overview In data communications, Quality of Service (QoS) is a network’s ability to provide differentiated service guarantees for diversified traffic in terms of bandwidth, delay, jitter, and drop rate. Network resources are scarce. The contention for resources requires that QoS prioritize important traffic flows over trivial ones.
  • Page 22 Figure 4 Placement of the QoS techniques in a network As shown in Figure 4, traffic classification, traffic shaping, traffic policing, congestion management, and congestion avoidance mainly implement the following functions: • Traffic classification—Uses certain match criteria to assign packets with the same characteristics to a class.

  • Page 23: Qos Configuration Approaches

    Non-MQC approach Some features support both approaches, but some support only one. MQC approach Only the HPE 3100 v2 EI switches support the MQC approach. In modular QoS configuration (MQC) approach, you configure QoS service parameters by using QoS policies (see "Configuring a QoS policy (available only on the HPE 3100 v2...

  • Page 24: Configuring A Qos Policy (Available Only On The Hpe 3100 V2 Ei)

    Configuring a QoS policy (available only on the HPE 3100 v2 EI) Overview A QoS policy is a set of class-behavior associations and defines the shaping, policing, or other QoS actions to take on different classes of traffic. A class is a set of match criteria for identifying traffic and it uses the AND or OR operator: •...

  • Page 25: Configuration Restrictions And Guidelines

    Configuration restrictions and guidelines • If a class that uses the AND operator has multiple if-match acl, if-match acl ipv6, if-match customer-vlan-id or if-match service-vlan-id clauses, a packet that matches any of the clauses matches the class. • To successfully execute the traffic behavior associated with a traffic class that uses the AND operator, define only one if-match clause for any of the following match criteria and input only one value for any of the following list arguments.

  • Page 26: Defining A Traffic Behavior

    Option Description destination-mac Matches a destination MAC address. mac-address Matches the 802.1p priority of the customer network. customer-dot1p 8021p-list The 8021p-list argument is a list of up to eight 802.1p priority values. An 802.1p priority ranges from 0 to 7. Matches the 802.1p priority of the service provider network.

  • Page 27: Configuration Restrictions And Guidelines

    Configuration restrictions and guidelines • If an ACL is referenced by a QoS policy for defining traffic match criteria, packets matching the ACL are organized as a class and the behavior defined in the QoS policy applies to the class regardless of whether the action in the rule is deny or permit.

  • Page 28: Applying The Qos Policy To Online Users

    Applying the QoS policy to online users IMPORTANT: This feature is available only on the HPE 3100 v2 EI switches. You can apply a QoS policy to multiple online users. In one direction of each online user, only one policy can be applied. To modify a QoS policy already applied in a certain direction, remove the QoS policy application first.

  • Page 29: Applying The Qos Policy To A Vlan

    Step Command Remarks Activate the user user-profile profile-name By default, a user profile is inactive. profile. enable Applying the QoS policy to a VLAN You can apply a QoS policy to a VLAN to regulate traffic of the VLAN. QoS policies cannot be applied to dynamic VLANs, such as VLANs created by GVRP. To apply the QoS policy to a VLAN: Step Command...
  • Page 30 display qos policy global [ slot slot-number ] Display information about QoS Available in any [ inbound ] [ | { begin | exclude | include } policies applied globally. view regular-expression ] Available in user Clear VLAN QoS policy statistics. reset qos vlan-policy [ vlan vlan-id ] [ inbound ] view Clear the statistics for a QoS...

  • Page 31: Configuring Priority Mapping

    These priorities include the local precedence and drop precedence, as follows: • Local precedence—Local precedence is used for queuing. The HPE 3100 v2 Switch Series maps eight local precedence values to four output queues as shown in Table 3.

  • Page 32: Priority Trust Mode On A Port

    The priority trust mode on a port decides which priority is used for priority mapping table lookup. Port priority was introduced to use for priority mapping in addition to priority fields carried in packets. The HPE 3100 v2 Switch Series provides the following priority trust modes: •...

  • Page 33: Priority Mapping Procedure

    Table 6 Priority mapping results of not trusting packet priority (when the default dot1p-lp priority mapping table is used) Port priority Local precedence Queue ID 0 (default) The priority mapping procedure varies with the priority modes. For more information, see the subsequent section.

  • Page 34: Configuration Guidelines

    Figure 6 Priority mapping procedure for an Ethernet packet Configuration guidelines You can modify priority mappings by modifying priority mapping tables, priority trust mode on a port, and port priority. Hewlett Packard Enterprise recommends planning QoS throughout the network before making your QoS configuration.

  • Page 35: Configuring A Port To Trust Packet Priority For Priority Mapping

    DSCP precedence of received IP packets for mapping. • untrust—Uses port priority as the 802.1p priority for priority mapping. On the HPE 3100 v2 switches, you configure the priority trust mode globally and this setting applies to all ports. To configure a priority trust mode:...

  • Page 36: Priority Trust Mode Configuration Example

    Priority trust mode configuration example Network requirements As shown in Figure 7, Device A is connected to Ethernet 1/0/1 of Device C, Device B is connected to Ethernet 1/0/2 of Device C, and the packets from Device A and Device B to Device C are not VLAN tagged.
  • Page 37 • The R&D department connects to Ethernet 1/0/2 of Device, which sets the 802.1p priority of traffic from the R&D department to 4. • The management department connects to Ethernet 1/0/3 of Device, which sets the 802.1p priority of traffic from the management department to 5. Configure port priority, 802.1p-to-local mapping table, and priority marking to implement the plan as described in Table...

  • Page 38: Configuration Procedure

    Configuration procedure Configure trusting port priority: # Set the port priority of Ethernet 1/0/1 to 3. <Device> system-view [Device] interface ethernet 1/0/1 [Device-Ethernet1/0/1] qos priority 3 [Device-Ethernet1/0/1] quit # Set the port priority of Ethernet 1/0/2 to 4. [Device] interface ethernet 1/0/2 [Device-Ethernet1/0/2] qos priority 4 [Device-Ethernet1/0/2] quit # Set the port priority of Ethernet 1/0/3 to 5.
  • Page 39 # Configure a priority marking policy for the marketing department, and apply the policy to the incoming traffic of Ethernet 1/0/1. [Device] traffic behavior market [Device-behavior-market] remark dot1p 5 [Device-behavior-market] quit [Device] qos policy market [Device-qospolicy-market] classifier http behavior market [Device-qospolicy-market] quit [Device] interface ethernet 1/0/1 [Device-Ethernet1/0/1] qos apply policy market inbound...

  • Page 40: Configuring Traffic Policing, Traffic Shaping, And Line Rate

    If token bucket has sufficient tokens, packets are colored red. Traffic policing IMPORTANT: • Traffic poling is available only on the HPE 3100 v2 EI switches. • Traffic policing polices inbound traffic. A typical application of traffic policing is to supervise the specification of certain traffic entering a...

  • Page 41: Traffic Shaping

    DSCP precedence, re-marked if the evaluation result is "conforming" Traffic shaping IMPORTANT: • This feature is available only on the HPE 3100 v2 EI switches. • Traffic shaping shapes the outbound traffic. Traffic shaping limits the outbound traffic rate by buffering exceeding traffic. You can use traffic shaping to adapt the traffic output rate on a device to the input traffic rate of its connected device to avoid packet loss.

  • Page 42: Line Rate

    Figure 10 GTS For example, in Figure 11, Device B performs traffic policing on packets from Device A and drops packets exceeding the limit. To avoid packet loss, you can perform traffic shaping on the outgoing interface of Device A so packets exceeding the limit are cached in Device A. Once resources are released, traffic shaping takes out the cached packets and sends them out.

  • Page 43: Configuring Traffic Policing

    Figure 12 Line rate implementation The token bucket mechanism limits traffic rate when accommodating bursts. It allows bursty traffic to be transmitted if enough tokens are available. If tokens are scarce, packets cannot be transmitted until efficient tokens are generated in the token bucket. It restricts the traffic rate to the rate for generating tokens.

  • Page 44: Configuring Gts

    Step Command Remarks Create a policy and enter qos policy policy-name policy view. Associate the class with the classifier tcl-name behavior traffic behavior in the QoS behavior-name policy. 10. Return to system view. quit • Applying the QoS policy to an interface •...

  • Page 45: Displaying And Maintaining Traffic Policing, Gts, And Line Rate

    [ cbs committed-burst-size ] Displaying and maintaining traffic policing, GTS, and line rate On the HPE 3100 v2 Switch Series, you can configure traffic policing in MQC approach. For more information about the displaying and maintaining commands, see "Displaying and maintaining QoS policies."...

  • Page 46: Configuration Procedures

    Figure 13 Network diagram Configuration procedures Configure Device A: # Configure ACL 2001 and ACL 2002 to match traffic from Server and Host A, respectively. <DeviceA> system-view [DeviceA] acl number 2001 [DeviceA-acl-basic-2001] rule permit source 1.1.1.1 0 [DeviceA-acl-basic-2001] quit [DeviceA] acl number 2002 [DeviceA-acl-basic-2002] rule permit source 1.1.1.2 0 [DeviceA-acl-basic-2002] quit # Create a class named server, and use ACL 2001 as the match criterion.
  • Page 47 [DeviceA] interface Ethernet 1/0/1 [DeviceA-Ethernet1/0/1] qos apply policy car inbound Configure Device B # Create a class named class, and configure the class to match all packets. [DeviceB] traffic classifier class [DeviceB-classifier-class] if-match any [DeviceB-classifier-class] quit # Create a behavior named car_inbound, and configure the CAR action for the behavior as follows: set the CIR to 2048 kbps.

  • Page 48: Configuring Congestion Management

    Configuring congestion management Overview Network congestion degrades service quality on a traditional network. Congestion is a situation where the forwarding rate decreases due to insufficient resources, resulting in extra delay. Congestion is more likely to occur in complex packet switching circumstances. Figure 14 shows two common cases:...

  • Page 49: Wrr Queuing

    Figure 15 SP queuing Queue 3 High priority Packets to be sent through this port Queue 2 Sent packets Interface Queue 1 Sending queue Packet Queue classification scheduling Queue 0 Low priority Figure 15, SP queuing classifies four queues on a port into four classes, numbered 3 to 0 in descending priority order.

  • Page 50: Sp+Wrr Queuing

    The HPE 3100 v2 switch provides four output queues per port. WRR assigns each queue a weight value (represented by w3, w2, w1, or w0) to decide the proportion of resources assigned to the queue. On a 100 Mbps port, you can configure the weight values of WRR queuing to 5, 3, 1, and 1 (corresponding to w3, w2, w1, and w0, respectively).

  • Page 51: Configuring Wrr Queuing

    # Configure the switch to use SP queuing. [Sysname] qos sp global Configuring WRR queuing Configuration procedure The congestion management settings on the HPE 3100 v2 Switches Series are made in system view and apply to all ports of the switch. To configure WRR queuing: Step...

  • Page 52: Configuring Sp+Wrr Queuing

    Configuring SP+WRR queuing Configuration procedure The congestion management settings on the HPE 3100 v2 Switches Series are made in system view and apply to all ports of the switch. To configure SP + WRR queuing: Step Command Remarks Enter system view.

  • Page 53: Configuring Traffic Filtering (Available Only On The Hpe 3100 V2 Ei)

    Configuring traffic filtering (available only on the HPE 3100 v2 EI) Traffic filtering filters traffic matching certain criteria. For example, you can filter packets sourced from a specific IP address according to network status. Configuration procedure To configure traffic filtering:...

  • Page 54: Traffic Filtering Configuration Example

    Traffic filtering configuration example Network requirements As shown in Figure 17, Host is connected to Ethernet 1/0/1 of Device. Configure traffic filtering to filter the packets with source port not being 21, and received on Ethernet 1/0/1. Figure 17 Network diagram Host Device Eth1/0/1...

  • Page 55: Configuring Priority Marking (Available Only On The Hpe 3100 V2 Ei)

    Configuring priority marking (available only on the HPE 3100 v2 EI) Priority marking sets the priority fields or flag bits of packets to modify the priority of traffic. For example, you can use priority marking to set IP precedence or DSCP for a class of IP traffic to change its transmission priority in the network.

  • Page 56: Local Precedence Re-Marking Configuration Example

    Local precedence re-marking configuration example IMPORTANT: This example is available only on the HPE 3100 v2 EI switches. Network requirements As shown in Figure 18, the company’s enterprise network interconnects hosts with servers through Device. The network is described as follows: •...
  • Page 57 [Device-acl-adv-3001] quit # Create advanced ACL 3002, and configure a rule to match packets with destination IP address 192.168.0.3. [Device] acl number 3002 [Device-acl-adv-3002] rule permit ip destination 192.168.0.3 0 [Device-acl-adv-3002] quit # Create a class named classifier_dbserver, and use ACL 3000 as the match criterion in the class. [Device] traffic classifier classifier_dbserver [Device-classifier-classifier_dbserver] if-match acl 3000 [Device-classifier-classifier_dbserver] quit...

  • Page 58: Configuring Traffic Redirecting (Available Only On The Hpe 3100 V2 Ei)

    Configuring traffic redirecting (available only on the HPE 3100 v2 EI) Traffic redirecting is the action of redirecting the packets matching the specific match criteria to a certain location for processing. The following redirect actions are supported: • Redirecting traffic to the CPU—redirects packets that require processing by the CPU to the CPU.

  • Page 59: Configuring Class-Based Accounting (Available Only On The Hpe 3100 V2

    IP address. By analyzing the statistics, you can determine whether anomalies have occurred and what action to take. The HPE 3100 v2 switch supports only collecting statistics in packets. Configuration procedure...

  • Page 60: Class-Based Accounting Configuration Example

    Class-based accounting configuration example Network requirements As shown in Figure 19, Host is connected to Ethernet 1/0/1 of Device A. Configure class-based accounting to collect statistics for traffic sourced from 1.1.1.1/24 and received on Ethernet 1/0/1. Figure 19 Network diagram Configuration procedure # Create basic ACL 2000, and configure a rule to match packets with source IP address 1.1.1.1.
  • Page 61 Operator: AND Rule(s) : If-match acl 2000 Behavior: behavior_1 Accounting Enable: 28529 (Packets)

  • Page 62: Configuring Burst

    Configuring burst The burst function improves packet buffering and forwarding performance in the following scenarios: • Dense broadcast or multicast traffic and massive burst traffic are present. • High-speed traffic is forwarded over a low-speed link or traffic received from multiple interfaces at the same speed is forwarded through an interface at the same speed.

  • Page 63: Configuration Procedure

    Configuration procedure # Enter system view. <Switch> system-view # Enable the burst function. [Switch] burst-mode enable...

  • Page 64: Appendix A Default Priority Mapping Tables

    Appendix A Default priority mapping tables Priority mapping tables Table 8 Default dot1p-lp priority mapping tables Input priority value dot1p-lp mapping Local precedence 802.1p priority (dot1p) (lp) Table 9 Default dscp-lp priority mapping tables Input priority value dscp-lp mapping Local precedence DSCP (lp) 0 to 7...

  • Page 65: Appendix B Packet Precedences

    Appendix B Packet precedences IP precedence and DSCP values Figure 21 ToS and DS fields As shown in Figure 21, the ToS field in the IPv4 header contains eight bits, where the first three bits (0 to 2) represent IP precedence from 0 to 7; the Traffic Classes field in the IPv6 header contains eight bits, where the first three bits (0 to 2) represent IP precedence from 0 to 7.

  • Page 66: 802.1P Priority

    DSCP value (decimal) DSCP value (binary) Description 011010 af31 011100 af32 011110 af33 100010 af41 100100 af42 100110 af43 001000 010000 011000 100000 101000 110000 111000 000000 be (default) 802.1p priority 802.1p priority lies in the Layer 2 header and applies to occasions where Layer 3 header analysis is not needed and QoS must be assured at Layer 2.
  • Page 67 Table 12 Description on 802.1p priority 802.1p priority (decimal) 802.1p priority (binary) Description best-effort background spare excellent-effort controlled-load video voice network-management...

  • Page 68: Document Conventions And Icons

    Document conventions and icons Conventions This section describes the conventions used in the documentation. Port numbering in examples The port numbers in this document are for illustration only and might be unavailable on your device. Command conventions Convention Description Boldface Bold text represents commands and keywords that you enter literally as shown.

  • Page 69: Network Topology Icons

    Network topology icons Convention Description Represents a generic network device, such as a router, switch, or firewall. Represents a routing-capable device, such as a router or Layer 3 switch. Represents a generic switch, such as a Layer 2 or Layer 3 switch, or a router that supports Layer 2 forwarding and other Layer 2 features.

  • Page 70: Support And Other Resources

    Support and other resources Accessing Hewlett Packard Enterprise Support • For live assistance, go to the Contact Hewlett Packard Enterprise Worldwide website: www.hpe.com/assistance • To access documentation and support services, go to the Hewlett Packard Enterprise Support Center website: www.hpe.com/support/hpesc Information to collect •...

  • Page 71: Websites

    For more information and device support details, go to the following website: www.hpe.com/info/insightremotesupport/docs Documentation feedback Hewlett Packard Enterprise is committed to providing documentation that meets your needs. To help us improve the documentation, send any errors, suggestions, or comments to Documentation Feedback (docsfeedback@hpe.com). When submitting your feedback, include the document title,...
  • Page 72 part number, edition, and publication date located on the front cover of the document. For online help content, include the product name, product version, help edition, and publication date located on the legal notices page.

  • Page 73: Index

    Index A B C D I L M N O P Q T Defining a traffic behavior,21 Displaying and maintaining ACLs,11 Accessing Hewlett Packard Enterprise Support,65 Displaying and maintaining QoS policies,24 Accessing updates,65 Displaying and maintaining traffic accounting,54 ACL configuration task list,3 Displaying and maintaining traffic policing, GTS, and Applying the QoS...

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