[OpenWrt-Devel] 18.06 bug: Flow Offload Active Connections

Jaap Buurman jaapbuurman at gmail.com
Tue May 29 12:55:17 EDT 2018

Dear all,

Whenever flow offload is enabled (either software or hardware) I can
see many many active connections on the Luci overview page. It can go
up to thousands of active connections. Looking in the "connections"
part of the "realtime graphs" in Luci shows me that even connections
with devices that turned off hours ago are still active. So for some
reasons old connections are not leaving the conntrack table. Turning
off flow offload fixes these issues right away. I am currently running
the latest 18.06 snapshot on a dir-860l. Hopefully this is useful
information for debugging.

Yours sincerely,

Jaap Buurman

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