docs: networking: Update connection tracking offload sysctl parameters

Document the following connection offload configuration parameters:
- nf_flowtable_tcp_timeout
- nf_flowtable_tcp_pickup
- nf_flowtable_udp_timeout
- nf_flowtable_udp_pickup

Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Oz Shlomo 2021-06-17 09:50:06 +03:00 committed by Pablo Neira Ayuso
parent 62eec0d733
commit 3078d964c0
1 changed files with 24 additions and 0 deletions

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@ -177,3 +177,27 @@ nf_conntrack_gre_timeout_stream - INTEGER (seconds)
This extended timeout will be used in case there is an GRE stream
detected.
nf_flowtable_tcp_timeout - INTEGER (seconds)
default 30
Control offload timeout for tcp connections.
TCP connections may be offloaded from nf conntrack to nf flow table.
Once aged, the connection is returned to nf conntrack with tcp pickup timeout.
nf_flowtable_tcp_pickup - INTEGER (seconds)
default 120
TCP connection timeout after being aged from nf flow table offload.
nf_flowtable_udp_timeout - INTEGER (seconds)
default 30
Control offload timeout for udp connections.
UDP connections may be offloaded from nf conntrack to nf flow table.
Once aged, the connection is returned to nf conntrack with udp pickup timeout.
nf_flowtable_udp_pickup - INTEGER (seconds)
default 30
UDP connection timeout after being aged from nf flow table offload.