From owner-freebsd-questions@FreeBSD.ORG Fri May 14 15:53:03 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5052916A4CE for ; Fri, 14 May 2004 15:53:03 -0700 (PDT) Received: from fep04-mail.bloor.is.net.cable.rogers.com (fep04-mail.bloor.is.net.cable.rogers.com [66.185.86.74]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9758943D41 for ; Fri, 14 May 2004 15:53:02 -0700 (PDT) (envelope-from mj001@rogers.com) Received: from [192.168.2.100] ([24.43.93.57]) by fep04-mail.bloor.is.net.cable.rogers.comESMTP <20040514225122.KZYC456352.fep04-mail.bloor.is.net.cable.rogers.com@[192.168.2.100]> for ; Fri, 14 May 2004 18:51:22 -0400 From: Mike Jeays To: freebsd-questions@freebsd.org Content-Type: text/plain Organization: Message-Id: <1084575173.10631.43.camel@chaucer> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.4 Date: 14 May 2004 18:52:53 -0400 Content-Transfer-Encoding: 7bit X-Authentication-Info: Submitted using SMTP AUTH PLAIN at fep04-mail.bloor.is.net.cable.rogers.com from [24.43.93.57] using ID at Fri, 14 May 2004 18:51:22 -0400 Subject: Simulating network latency X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 May 2004 22:53:03 -0000 We have a proprietary application which will not work properly over our WAN, even though there is more than enough bandwidth. It works fine on a LAN. We suspect a latency problem, mainly because we can't think of anything else it might be. We are not getting any help from the vendor. Is there a way to set up a machine with two network cards, which will simply forward every packet from one card to the other, but will introduce an arbitrary delay period? Ideally, the delay period should be adjustable, and optionally different in the two directions. Or is there some other way to do the same thing?