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[iproute2/net-next,3/3] tc: man: matchall: Update examples to include sample

Message ID 1486281534-61663-4-git-send-email-yotamg@mellanox.com
State Accepted, archived
Delegated to: stephen hemminger
Headers show

Commit Message

Yotam Gigi Feb. 5, 2017, 7:58 a.m. UTC 
Add an example of packet sampling to the tc-matchall man page examples
section. The example uses the matchall classifier and the sample action to
create packet sampling on a port.

Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
---
 man/man8/tc-matchall.8 | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/man/man8/tc-matchall.8 b/man/man8/tc-matchall.8
index f920922..799350a 100644
--- a/man/man8/tc-matchall.8
+++ b/man/man8/tc-matchall.8
@@ -70,6 +70,16 @@  that replaces the root qdisc on device
 where the second command attaches a matchall filters on it that mirrors the
 packets to device eth2.
 
+To sample one of every 100 packets flowing into interface eth0 to psample group
+12:
+.RS
+.EX
+
+tc qdisc add dev eth0 handle ffff: ingress
+tc filter add dev eth0 parent ffff: matchall \\
+     action sample rate 100 group 12
+.EE
+.RE
 
 .EE
 .SH SEE ALSO