QLogic FastLinQ NIC intermittently drops multicast traffic or LACP bond goes down
Issue
- While using Qlogic adapter multicast traffic is intermittently dropped when multicast groups is around 64.
- QLogic FastLinQ NIC (
qed
orqede
driver) bond in Mode 4 (LACP) loses link and slave state goes "churned" in/proc/net/bonding/bondX
Environment
- Red Hat Enterprise Linux 7.8 and earlier (anything before
kernel-3.10.0-1160.el7
) - QLogic/Marvell FastLinQ network interface (
qed
orqede
driver) - Multicast traffic, or bonding Mode 4 (LACP) or possibly teaming with
lacp
runner
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