Oracle Linux: One Slave NIC Frequently Goes Up and Down with Bonding Mode 802.3ad

(Doc ID 2322433.1)

Last updated on NOVEMBER 08, 2017

Applies to:

Linux OS - Version Oracle Linux 6.8 and later
Linux x86-64

Symptoms

Two physical NICs are bonded together with bonding mode 4 (802.3ad) by setting BONDING_OPTS="mode=802.3ad xmit_hash_policy=layer3+4 lacp_rate=fast miimon=100 updelay=5000 downdelay=5000"

One slave NIC (eth1) is frequently Up and Down, which can be seen from the /var/log/messages file:

Cause

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