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CLI-based Configuration Guide - QoS

AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009

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Configuring ACL-based Packet Filtering

Configuring ACL-based Packet Filtering

Pre-configuration Tasks

By configuring ACL-based packet filtering, the device permits or rejects packets matching ACL rules to control network traffic.

Before configuring ACL-based packet filtering, complete the following tasks:
  • Configure link layer attributes of interfaces to ensure that the interfaces work properly.

  • Configure IP addresses and routing protocols for interfaces to ensure connectivity.

  • Configure an ACL and specifying logging in the rule command when IP information about packets matching ACL rules in logs needs to be recorded.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

    NOTE:

    ACL-based packet filtering can be only configured on WAN-side interfaces.

  3. Run traffic-filter { inbound | outbound } { acl | ipv6 acl } { acl-number | name acl-name }

    ACL-based packet filtering is configured.

    NOTE:

    Loopback interfaces of the device support traffic-filter inbound acl { acl-number | name acl-name } and undo traffic-filter inbound. That is, traffic-filter can be configured on a loopback interface in the inbound direction, but IPv6 ACLs are not supported.

  4. Run quit

    Exit from the interface view.

  5. (Optional) Run the acl logging { timeout | update } { interval | default } command to set the log update and aging interval after IP information about packets matching ACL rules is recorded in logs.

Verifying the Configuration

  • Run the display traffic-filter applied-record command to check ACL-based packet filtering information.

  • Run the display traffic-filter statistics interface interface-type interface-number { inbound | outbound } or display traffic-filter statistics interface virtual-template vt-number virtual-access va-number { inbound | outbound } command to view traffic statistics about ACL-based packet filtering on an interface.

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Updated: 2019-05-17

Document ID: EDOC1000174115

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