From ece401a12b76898ee4061e8a966cd3cace2d6992 Mon Sep 17 00:00:00 2001
From: Eric Kooistra <kooistra@astron.nl>
Date: Tue, 14 Jun 2022 07:50:56 +0200
Subject: [PATCH] Added tcpdump examples.

---
 doc/erko_howto_tools.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/doc/erko_howto_tools.txt b/doc/erko_howto_tools.txt
index 613878db9d..4d647eb069 100755
--- a/doc/erko_howto_tools.txt
+++ b/doc/erko_howto_tools.txt
@@ -468,7 +468,10 @@ then:
 
 
 4) tcpdump
-   sudo tcpdump -vvXXSnelfi enp5s0
+   > ifconfig   # to find ethernet port
+   > sudo tcpdump -vvXXSnelfi enp5s0 port 5001 # for UDP only
+   > sudo tcpdump -vvXXSnelfi enp5s0 port 5001 > tcpdump.txt  (> is new file, >> is append)
+
 
 *******************************************************************************
 * Polarion:
-- 
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