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[Archive][SRX] Support for LACP on a SRX650 device with 10-GigabitEthernet interfaces

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Article ID: KB24249 KB Last Updated: 26 Jun 2020Version: 5.0
Summary:

This article describes the issue of being unable to configure LACP on a SRX650/550 device with 10-GigabitEthernet interfaces.

Symptoms:

The 10-GigabitEthernet (XE) physical interfaces comes up and are operational, however when 10-Gig interface is added to redundant Ethernet (reth) interface, reth remains down.

Cause:

Prior to 12.1X44-D10 aggregation was not supported on SRX650/550 10Gig interface.

Solution:

You have to upgrade SRX650/550 cluster to 12.1X44-D10 or later in 12.1X series to have link aggregation support.

In 12.1X44-D10 or later, you can have two 10.Gig interface on SRX650/550 to be member of reth interface and you can enable LACP too. If LACP is not enabled then the reth interface will also come up due to LAG.
 
Modification History:

2020-06-26: Archived article.

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