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5caba410c2
While generating PDFs from the man pages, I saw the warning below from
several files. Compared the tc-matchall.8 with bridge.8 and used .RI
instead of .R. It should have no effect on the man page rendering.
`R' is a string (producing the registered sign), not a macro.
Signed-off-by: Alexander Alemayhu <alexander@alemayhu.com>
88 lines
2.0 KiB
Groff
88 lines
2.0 KiB
Groff
.TH "Match-all classifier in tc" 8 "21 Oct 2015" "iproute2" "Linux"
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.SH NAME
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matchall \- traffic control filter that matches every packet
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.SH SYNOPSIS
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.in +8
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.ti -8
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.BR tc " " filter " ... " matchall " [ "
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.BR skip_sw " | " skip_hw
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.RI " ] [ "
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.B action
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.IR ACTION_SPEC " ] [ "
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.B classid
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.IR CLASSID " ]"
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.SH DESCRIPTION
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The
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.B matchall
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filter allows to classify every packet that flows on the port and run a
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action on it.
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.SH OPTIONS
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.TP
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.BI action " ACTION_SPEC"
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Apply an action from the generic actions framework on matching packets.
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.TP
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.BI classid " CLASSID"
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Push matching packets into the class identified by
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.IR CLASSID .
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.TP
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.BI skip_sw
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Do not process filter by software. If hardware has no offload support for this
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filter, or TC offload is not enabled for the interface, operation will fail.
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.TP
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.BI skip_hw
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Do not process filter by hardware.
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.SH EXAMPLES
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To create ingress mirroring from port eth1 to port eth2:
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.RS
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.EX
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tc qdisc add dev eth1 handle ffff: ingress
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tc filter add dev eth1 parent ffff: \\
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matchall skip_sw \\
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action mirred egress mirror \\
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dev eth2
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.EE
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.RE
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The first command creats an ingress qdisc with handle
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.BR ffff:
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on device
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.BR eth1
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where the second command attaches a matchall filters on it that mirrors the
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packets to device eth2.
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To create egress mirroring from port eth1 to port eth2:
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.RS
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.EX
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tc qdisc add dev eth1 handle 1: root prio
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tc filter add dev eth1 parent 1: \\
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matchall skip_sw \\
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action mirred egress mirror \\
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dev eth2
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.EE
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.RE
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The first command creats an egress qdisc with handle
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.BR 1:
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that replaces the root qdisc on device
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.BR eth1
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where the second command attaches a matchall filters on it that mirrors the
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packets to device eth2.
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To sample one of every 100 packets flowing into interface eth0 to psample group
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12:
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.RS
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.EX
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tc qdisc add dev eth0 handle ffff: ingress
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tc filter add dev eth0 parent ffff: matchall \\
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action sample rate 100 group 12
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.EE
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.RE
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.EE
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.SH SEE ALSO
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.BR tc (8),
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