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S12700 V200R010C00 Configuration Guide - WLAN-AC

This document describes native AC (hereinafter referred to as WLAN AC) configuration procedures and provides configuration examples.
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Configuring a Source Interface

Configuring a Source Interface

Context

Each AC must have at least one VLANIF or loopback interface specified as the source interface. All APs connected to the AC can learn the IP address of this interface and use the IP address to communicate with the AC.

Before an AP establishes a CAPWAP tunnel with an AC, a source interface must be specified for the AC.

You can specify a VLANIF or loopback interface on the device as the AC source interface.
  • VLANIF interface: applies to the scenario where the APs that associate with the AC belong to the same management VLAN.
  • Loopback interface: applies to the scenario where the APs that associate with the AC belong to different management VLANs. When the APs belong to multiple management VLANs, the AC must have multiple VLANIF interfaces configured. If one of the VLANIF interfaces is specified as the source interface, all the APs cannot go online when the source interface fails. A loopback interface remains Up after being created. When a loopback interface is used as the source interface and a VLANIF interface becomes faulty, only the AP that connects to the VLANIF interface cannot go online.

Procedure

  • Configure an IPv4 source interface.

    • Specify a VLANIF interface as the source interface.

      1. Run:

        system-view

        The system view is displayed.

      2. Run:

        vlan vlan-id

        A VLAN is created, and the VLAN view is displayed.

        The created VLAN is a management VLAN.

      3. Run:

        quit

        Return to the system view.

      4. Run:

        interface vlanif vlan-id

        A VLANIF interface is created, and the VLANIF interface view is displayed.

      5. Run:

        ip address ip-address { mask | mask-length }

        An IP address and a subnet mask are configured for the VLANIF interface.

      6. Run:

        quit

        Return to the system view.

      7. Run the capwap source interface vlanif vlan-id command to specify a VLANIF interface as the source interface of the CAPWAP tunnel established between the AP and AC.

    • Specify a loopback interface as the source interface.

      1. Run:

        system-view

        The system view is displayed.

      2. Run:

        interface loopback loopback-number

        A loopback interface is created, and the loopback interface view is displayed.

      3. Run:

        ip address ip-address { mask | mask-length }

        An IP address and a subnet mask are configured for the loopback interface.

        The IP address of a loopback interface must use a 32-bit mask.

      4. Run:

        quit

        Return to the system view.

      5. Run the capwap source interface loopback loopback-number command to specify a loopback interface as the source interface of the CAPWAP tunnel established between the AP and AC.

Verifying the Configuration

  • Run the display capwap configuration command to check the source interface of an AC.
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Updated: 2019-08-21

Document ID: EDOC1000142094

Views: 138770

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