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--- linux:openvswitch [2013/11/01 18:07]
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+++ linux:openvswitch [2013/11/01 18:15]
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 <note important>**Before anything - RTFF - [[http://git.openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=blob_plain;f=FAQ;hb=HEAD|FAQ (Frequently Asked Questions)]]**</note>
+===== Installation/compile =====
+==== Debian / from source / GIT ====
+   export DEB_BUILD_OPTIONS=nocheck
+   dpkg-buildpackage -b -us -uc -nc
+===== Configuration tips =====
+===== Frequently use (useful) command =====
+# Dump flows
+   ovs-ofctl dump-flows br0
+# Show mac table
+   ovs-appctl fdb/show br0
+# Show switch
+   ovs-vsctl show
+# Show datapath
+   ovs-dpctl show
+# Turn debugging on
+   ovs-appctl vlog/set dbg
+===== Troubleshooting =====
+==== GRE problem ====
+"You need to unload ''**ip_gre**'' and ''**gre**'' module, openvswitch GRE does not work along with kernel GRE module for now."