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Document the net.link.lagg.X.use_flowid sysctl from r232008.

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This commit is contained in:
Andrew Thompson 2012-02-22 22:29:23 +00:00
parent 95bfa2fc22
commit 6f9c725237
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=232010
1 changed files with 13 additions and 1 deletions
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14
share/man/man4/lagg.4
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@ -16,7 +16,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd October 18, 2010
.Dd February 23, 2012
.Dt LAGG 4
.Os
.Sh NAME
@ -134,6 +134,18 @@ variable in
.Pp
The MTU of the first interface to be added is used as the lagg MTU.
All additional interfaces are required to have exactly the same value.
.Pp
The
.Ic loadbalance
and
.Ic lacp
modes will use the RSS hash from the network card if available to avoid
computing one, this may give poor traffic distribution if the hash is invalid
or uses less of the protocol header information.
Local hash computation can be forced by setting the
.Va net.link.lagg.X.use_flowid
.Xr sysctl 8
variable to zero where X is the interface number.
.Sh EXAMPLES
Create a 802.3ad link aggregation using LACP with two
.Xr bge 4