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    Configuring Aggregated Ethernet Interfaces

    Use the link aggregation feature to aggregate one or more Ethernet interfaces to form a virtual link or link aggregation group (LAG) on QFX Series. The MAC client can treat this virtual link as if it were a single link. The Ethernet interfaces that are included in a LAG are called member links. Link aggregation increases bandwidth, provides graceful degradation as failure occurs, and increases availability across member links. You can use the J-Web interface to configure aggregated Ethernet interfaces, or a LAG, on the switch.

    Note: Interfaces that are already configured with MTU, duplex, flow control, or logical interfaces, though listed, are not available for aggregation.

    To configure a LAG:

    1. Select Configure > Interfaces > Link Aggregation.

      The list of aggregated interfaces is displayed.

      Note: After you make changes to the configuration on this page, you must immediately commit the changes for them to take effect. To commit all changes to the active configuration, select Commit Options > Commit.

    2. Click one of the following:
      • Add—Creates a LAG. Enter information as specified in Table 1.
      • Edit—Modifies a selected LAG.
        • Aggregation—Modifies settings for the selected LAG. Enter information as specified in Table 1.
        • VLAN—Specifies VLAN options for the selected LAG. Enter information as specified in Table 2.
        • IP Option—Specifies IP options for the selected LAG. Enter information as specified in Table 3.
      • Delete—Deletes the selected LAG.
      • Disable Port or Enable Port—Disables or enables the administrative status on the selected interface.
      • Device Count—Configures the number of aggregated logical devices available to the switch. Select the number and click OK.

    Table 1: Aggregated Ethernet Interface Options

    Field

    Function

    Your Action

    Aggregated Interface

    Specifies the name of the aggregated interface.

    None. The name is supplied by the software.

    LACP Mode

    Specifies the mode in which LACP packets are exchanged between the interfaces. The modes are:

    • None—Indicates that no mode is applicable.
    • Active—Indicates that the interface initiates transmission of LACP packets
    • Passive—Indicates that the interface responds only to LACP packets.

    Select from the list.

    Description

    Specifies a description for the LAG.

    Enter a description.

    Interface

    Specifies the interfaces in the LAG.

    To add interfaces to the LAG, select the interfaces and click Add. Click OK.

    To remove an interface from the LAG, select the interface and click Remove.

    Note: Only interfaces that are configured with the same speed can be selected together for a LAG.

    Enable Log

    Specifies whether to enable generation of log entries for the LAG.

    Select the check box to enable log generation, or clear the check box to disable log generation.

    Table 2: VLAN Options

    Field

    Function

    Your Action

    Port Mode

    Specifies the mode of operation for the port: trunk or access.

    To specify the Trunk mode:

    1. Click Add to add a VLAN member.
    2. Select the VLAN and click OK.
    3. (Optional) Associate a native VLAN ID with the port.

    To specify the Accessmode:

    1. Select the VLAN member to be associated with the port.
    2. (Optional) Associate a VoIP VLAN with the interface. Only a VLAN with a VLAN ID can be associated as a VoIP VLAN.

    Click OK.

    Table 3: IP Options

    Field

    Function

    Your Action

    IPv4 Address

    Specifies an IPv4 address for the selected LAG.

    1. Select the check box IPv4 address.
    2. Type an IP address—for example, 10.10.10.10.
    3. Enter the subnet mask or address prefix. For example, 24 bits represents 255.255.255.0.
    4. Click OK.
     

    Related Documentation

     

    Published: 2013-08-15

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