Why there is no significant performance gain after switching from active-passive bonding to LACP (802.3ad) / TLB / ALB / Balance-rr ( Round Robin ) Bonding (Doc ID 1988564.1)

Last updated on FEBRUARY 06, 2017

Applies to:

Linux OS - Version Oracle Linux 5.4 to Oracle Linux 7.0 [Release OL5U4 to OL7]
Linux x86-64
Linux x86

Symptoms

In two NICs config ( 2x1Gb ) scenario after switching from Active-Passive bonding to LACP / TLB / ALB there is no significant boost in network performance.

Its expected to see twice better performance than on active-passive config ( 2x1Gb should give 2Gb in total in LACP / TLB / ALB )

 

Iperf stats

Client node execute simple iperf command:

 

Changes

 Switch from active-passive config to LACP / TLB / ALB

Cause

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