netdev - [PATCH net] vxlan: use IANA assigned port

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Message-ID: <20130426163346.762c41c1@nehalam.linuxnetplumber.net>
Date:	Fri, 26 Apr 2013 16:33:46 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Cc:	Kenneth Duda <kduda@...stanetworks.com>,
	Chris Wright <chrisw@...s-sol.org>
Subject: [PATCH net] vxlan: use IANA assigned port

Ken Duda of Arista Networks, one of the VXLAN RFC authors notified
me that IANA has assigned an official port for VXLAN. My initial version
of the driver used the value from CISCO LISP that was also being used by
OpenVswitch.

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>


--- a/drivers/net/vxlan.c	2013-04-22 15:44:00.962002827 -0700
+++ b/drivers/net/vxlan.c	2013-04-26 16:29:19.349507680 -0700
@@ -8,7 +8,6 @@
  * published by the Free Software Foundation.
  *
  * TODO
- *  - use IANA UDP port number (when defined)
  *  - IPv6 (not in RFC)
  */
 
@@ -66,7 +65,7 @@ struct vxlanhdr {
 };
 
 /* UDP port for VXLAN traffic. */
-static unsigned int vxlan_port __read_mostly = 8472;
+static unsigned int vxlan_port __read_mostly = 4789;
 module_param_named(udp_port, vxlan_port, uint, 0444);
 MODULE_PARM_DESC(udp_port, "Destination UDP port");
 
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