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ME60 V800R010C10SPC500 Configuration Guide - Virtual Access 01

This is ME60 V800R010C10SPC500 Configuration Guide - Virtual Access
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Configuring a Virtual Access Eth-Trunk Interface to Work in Manual Load Balancing Mode

Configuring a Virtual Access Eth-Trunk Interface to Work in Manual Load Balancing Mode

You can configure a virtual access Eth-Trunk interface working in manual load balancing mode on a master if master or CE does not support LACP. Then, you can add virtual access interfaces to the virtual access Eth-Trunk interfaces to increase bandwidth and improve reliability.

Usage Scenario

To increase bandwidth without obtaining more hardware resources or requiring more IP addresses in virtual access scenarios, configure Eth-Trunk interfaces on the master and CE using the link aggregation technique. When one or both of the master and CE do not support LACP, you can configure the virtual access Eth-Trunk interfaces to work in manual load balancing mode on masters. In addition, you can add multiple member interfaces to increase the bandwidth between the two devices and improve reliability.

On the network shown in Figure 2-5, a virtual access Eth-Trunk interface is configured to work in manual load balancing mode on a master to implement load balancing.
Figure 2-5 Virtual access Eth-Trunk interfaces in manual load balancing mode

Pre-configuration Tasks

Before configuring a virtual access Eth-Trunk interface to work in manual load balancing mode, establish a virtual access system.

Configuration Procedures

Figure 2-6 Flowchart for configuring a virtual access Eth-Trunk interface in manual load balancing mode

Creating a Virtual Access Eth-Trunk Interface and Configuring It to Work in Manual Load Balancing Mode

You can add virtual access interfaces to a virtual access Eth-Trunk interface working in manual load balancing mode. All the member interfaces are in the forwarding state and load-balance traffic.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface eth-trunk trunk-id remote

    A virtual access Eth-Trunk interface is created and the Eth-Trunk interface view is displayed.

  3. Run mode manual load-balance

    The Eth-Trunk interface is configured to work in manual load balancing mode.

  4. Run commit

    The configuration is committed.

Adding Member Interfaces to the Virtual Access Eth-Trunk Interface

After creating a virtual access Eth-Trunk interface and configuring it to work in manual load balancing mode, add member interfaces to the virtual access Eth-Trunk interface to increase interface bandwidth and improve reliability.

Context

There are two methods for adding virtual access interfaces to a virtual access Eth-Trunk interface:
  • Add virtual access interfaces in the view of the virtual access Eth-Trunk interface. Using this method, you can add a single virtual access interface or virtual access interfaces in batches.
  • Add a virtual access interface in the interface view.

Note the following when adding virtual access interfaces to a virtual access Eth-Trunk interface:

  • Virtual access Eth-Trunk member interfaces can only be virtual access interfaces.

  • Virtual access interfaces that belong to different APs cannot be added to the same virtual access Eth-Trunk in manual load balancing mode.

  • The number of virtual access interfaces that belong to the same AP and are added to a virtual access Eth-Trunk cannot exceed the upper limit for trunks on a master.

Procedure

  • Add one or more virtual access interfaces in the virtual access Eth-Trunk interface view.
    1. Run system-view

      The system view is displayed.

    2. Run interface eth-trunk trunk-id remote

      The virtual access Eth-Trunk interface view is displayed.

    3. Run either of the following commands as required.

      • To add virtual access interfaces to the virtual access Eth-Trunk interface in batches and configure the mode in which member interfaces of an Eth-Trunk interface send packets, run trunkport interface-type { interface-number1 [ to interface-number2 ] } &<1-64>

      • To add a single virtual access interface to a virtual access Eth-Trunk interface, run trunkport interface-type interface-number

    4. Run commit

      The configuration is committed.

  • Add a virtual access interface to a virtual access Eth-Trunk interface in the view of the virtual access interface.
    1. Run system-view

      The system view is displayed.

    2. Run interface interface-type interface-number

      The view of a virtual access interface that needs to be added to a virtual access Eth-Trunk interface is displayed.

    3. Run eth-trunk trunk-id

      The virtual access interface is added to the virtual access Eth-Trunk interface.

      NOTE:
      • Member interfaces cannot be configured with services or Layer 3 configurations such as IP addresses.

      • Member interfaces cannot be manually configured with MAC addresses.

      • A virtual access interface can be added to only one virtual access Eth-Trunk interface. The virtual access interface must be deleted from the original virtual access Eth-Trunk interface before joining another virtual access Eth-Trunk interface.

    4. Run commit

      The configuration is committed.

NOTE:
If services are running on a live network, it is recommended that you perform the following operations when adding an interface to a virtual access Eth-Trunk interface:
  1. Run the shutdown command on the interface to be added to a virtual access Eth-Trunk interface.
  2. Add the virtual access interface to the virtual access Eth-Trunk interface.
  3. Run the undo shutdown command on the interface that has been added to the virtual access Eth-Trunk interface.

Configuring Virtual Access Eth-Trunk Interface Parameters

Configure the parameters as required.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface eth-trunk trunk-id remote

    The virtual access Eth-Trunk interface view is displayed.

  3. Perform one or more operations shown in Table 2-1 as needed.

    Table 2-1 Configuring parameters for a virtual access Eth-Trunk interface

    Parameter for a virtual access Eth-Trunk Interface

    Operation

    IP address of the virtual access Eth-Trunk interface

    Run the ip address ip-address { mask | mask-length } [ sub ] command.

    MAC address of the virtual access Eth-Trunk interface

    Run the mac-address mac-address command.

    MTU of the virtual access Eth-Trunk interface

    Run the mtu mtu command.

    The MTU is measured in bytes.
    NOTICE:

    The MTUs of two directly-connected interfaces must be the same. After using the mtu mtu command to change the MTU of an interface, change the MTU of the directly-connected interface on another device to ensure that the MTUs of the two ends are the same. Otherwise, services may be interrupted.

    Minimum number of Up member links

    Run the least active-linknumber link-number command.

    Load balancing mode

    Run the { load-balance { src-dst-mac | src-dst-ip | packet-all } command.

  4. Run commit

    The configuration is committed.

Configuring Parameters for Virtual Access Eth-Trunk Member Interfaces

To ensure reliable communication between Eth-Trunk interfaces, configure proper parameters for virtual access Eth-Trunk member interfaces.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interfaceinterface-typeinterface-number

    The view of a virtual access Eth-Trunk member interface is displayed.

  3. Run distribute-weight weight-value

    The load balancing weight is configured for the virtual access Eth-Trunk member interface.

    The virtual access Eth-Trunk interface performs load balancing based on the weights of its member interfaces. The greater the weight of a virtual access Eth-Trunk member interface, the heavier the load carried by the member interface.

  4. Run commit

    The configuration is committed.

Checking the Configurations

After a virtual access Eth-Trunk interface in manual load balancing mode is successfully configured, you can view information about the virtual access Eth-Trunk interface, including the Eth-Trunk ID, working mode, and status of member interfaces.

Prerequisites

A virtual access Eth-Trunk interface in manual load balancing mode has been configured.

Procedure

  • Run the display trunkmembership eth-trunk trunk-id command to check information about member interfaces of the virtual access Eth-Trunk interface.
  • Run the display eth-trunk [ trunk-id [ interface interface-type interface-number ] ] command to check information about the virtual access Eth-Trunk interface and its active member interfaces.
  • Run the display interface eth-trunk [ trunk-id ] command to check the status of the virtual access Eth-Trunk interface.
  • Run the display interface brief command to check brief information about the virtual access Eth-Trunk interface, including the physical status, link protocol status, and bandwidth usage.
  • Run the display trunkfwdtbl eth-trunk trunk-id [ slot slot-id ] command to check the forwarding table on the virtual access Eth-Trunk interface.

    NOTE:

    The parameter slot slot-id in this command is supported only on the Admin-VS.

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Updated: 2019-01-04

Document ID: EDOC1100059451

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