Technical Documentation

Configuring Aggregated Ethernet Interfaces (CLI Procedure)

Use the link aggregation feature to aggregate one or more links to form a virtual link or link aggregation group (LAG). The MAC client can treat this virtual link as if it were a single link. Link aggregation increases bandwidth, provides graceful degradation as failure occurs, and increases availability.

Note: An interface with an already configured IP address cannot form part of the aggregation group.

To configure aggregated Ethernet interfaces, using the CLI:

  1. Specify the number of aggregated Ethernet interfaces to be created:

    [edit chassis]
    user@switch# set aggregated-devices ethernet device-count 2
  2. Specify the minimum number of links for the aggregated Ethernet interface (aex), that is, the defined bundle, to be labeled “up”:

    Note: By default only one link must be up for the bundle to be labeled “up”.


    [edit interfaces]
    user@switch# set ae0 aggregated-ether-options minimum-links2
  3. Specify the link speed for the aggregated Ethernet bundle:

    [edit interfaces]
    user@switch# set ae0 aggregated-ether-options link-speed10g
  4. Specify the members to be included within the aggregated Ethernet bundle:

    [edit interfaces]
    user@switch# set xe-0/1/0 ether-options 802.3adae0
    user@switch# set xe-1/1/0 ether-options 802.3ad ae0
  5. Specify an interface family for the aggregated Ethernet bundle:

    [edit interfaces]
    user@switch# set ae0 unit 0 familyinet address 192.0.2.0/25

For information about adding LACP to a LAG, see Configuring Aggregated Ethernet LACP (CLI Procedure).


Published: 2010-01-19