From owner-freebsd-net@FreeBSD.ORG  Thu Jul 16 16:37:01 2009
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 266A11065672
	for <freebsd-net@freebsd.org>; Thu, 16 Jul 2009 16:37:01 +0000 (UTC)
	(envelope-from Brian.Jacobs@lodgenet.com)
Received: from garbo.lodgenet.com (garbo.lodgenet.com [204.124.121.250])
	by mx1.freebsd.org (Postfix) with ESMTP id D885E8FC1A
	for <freebsd-net@freebsd.org>; Thu, 16 Jul 2009 16:37:00 +0000 (UTC)
	(envelope-from Brian.Jacobs@lodgenet.com)
Received: from hardy.lodgenet.com (hardy.lodgenet.com [10.16.101.109])
	by garbo.lodgenet.com (8.12.11.20060308/8.12.11) with ESMTP id
	n6GGFVRd026087
	for <freebsd-net@freebsd.org>; Thu, 16 Jul 2009 11:15:31 -0500
Received: from sfcoex02.lodgenet.com (Not Verified[10.16.100.165]) by
	hardy.lodgenet.com with MailMarshal (v6, 4, 1, 5038)
	id <B4a5f52230000>; Thu, 16 Jul 2009 11:15:31 -0500
Received: from host.lodgenet.com ([10.1.1.129]) by host.lodgenet.com with
	Microsoft SMTPSVC(6.0.3790.3959); Thu, 16 Jul 2009 11:15:31 -0500
X-MimeOLE: Produced By Microsoft Exchange V6.5
Content-class: urn:content-classes:message
MIME-Version: 1.0
Date: Thu, 16 Jul 2009 12:15:30 -0400
Message-ID: <126E45722B459248997856ECB72DEB7701285DC0@host.lodgenet.com>
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
Thread-Topic: GRE tunnel limitations
Thread-Index: AcoGMKOFi7WiXuUSTqaChXYslRCwcw==
From: "Jacobs, Brian" <Brian.Jacobs@lodgenet.com>
To: <freebsd-net@freebsd.org>
X-OriginalArrivalTime: 16 Jul 2009 16:15:31.0216 (UTC)
	FILETIME=[A3F10900:01CA0630]
Content-Type: text/plain;
	charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
X-Content-Filtered-By: Mailman/MimeDel 2.1.5
Subject: GRE tunnel limitations
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 16 Jul 2009 16:37:01 -0000

Does anyone have some realistic data on the number of GRE/ipip tunnels
FreeBSD 7.x can reasonably terminate?  Assume no IPsec, just standard
encapsulation.  I have an ad-hoc need to terminate about 1,4000 static
GRE tunnels (as Cisco 7206's are backordered until September).  J

=20

Thanks in advance!

=20

/bmj