From owner-freebsd-net@FreeBSD.ORG Thu May 19 17:58:17 2011 Return-Path: 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 14FFB106566C for ; Thu, 19 May 2011 17:58:17 +0000 (UTC) (envelope-from aboyer@averesystems.com) Received: from zimbra.averesystems.com (75-149-8-245-Pennsylvania.hfc.comcastbusiness.net [75.149.8.245]) by mx1.freebsd.org (Postfix) with ESMTP id C755B8FC19 for ; Thu, 19 May 2011 17:58:16 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by zimbra.averesystems.com (Postfix) with ESMTP id 0956F8BC002; Thu, 19 May 2011 13:59:23 -0400 (EDT) X-Virus-Scanned: amavisd-new at averesystems.com Received: from zimbra.averesystems.com ([127.0.0.1]) by localhost (zimbra.averesystems.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sNz7s8BTiyEv; Thu, 19 May 2011 13:59:22 -0400 (EDT) Received: from riven.arriad.com (fw.arriad.com [10.0.0.16]) by zimbra.averesystems.com (Postfix) with ESMTPSA id D9ED68BC001; Thu, 19 May 2011 13:59:21 -0400 (EDT) Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: Andrew Boyer In-Reply-To: Date: Thu, 19 May 2011 13:58:14 -0400 Content-Transfer-Encoding: quoted-printable Message-Id: <8F86FFA7-E2D7-40D6-A1B5-DFCFA47EBD75@averesystems.com> References: To: Igor Anishchuk X-Mailer: Apple Mail (2.1084) Cc: freebsd-net@freebsd.org Subject: Re: ixgbe> vlan addition and removal brings the interfaces down and up X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 May 2011 17:58:17 -0000 I have a patch that will fix this. Please give me a little while to = clean it up, and I will send it out on the list. -Andrew On May 19, 2011, at 2:58 AM, Igor Anishchuk wrote: > Hi All, >=20 > I've been using Intel E10G42AFDA 10Gbit/s AF DA Dual Port adapters > with direct attach cables and there is one thing keeps bothering me. > I've been searching the Internet for any information with no luck. I > would also assume that the problem is widely known, and I found one > related PR kern/141285 but that one was closed unsolved. >=20 > When a VLAN interface is added or removed to from the ix interfaces > the parent interface is briefly brought down and up. This event is > visible for all applications and the switches. With my use case I add > and remove VLAN interfaces on the fly and the described behavior > causes undesired effects, especially for BGP daemons that are > configured to monitor one of permanent VLAN interfaces. >=20 > I use FreeBSD 7-STABLE and the behavior is the same with stock > drivers, with 2.2.3 and with 2.3.8 drivers downloaded from Intel web > site. I have attempted to disable -vlanhwtag, -vlanhwfilter and > -vlanhwtso with no effect. >=20 > Could someone help me to stop the cards behaving this way? I do not > mind some performance penalties, nor running in permanent promiscuous > mode. I just want the card to stay up all the time regardless of the > vlan interfaces attached to it. >=20 > Any help, links, patches are much appreciated. >=20 > Regards, >=20 > Igor Anishchuk > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" -------------------------------------------------- Andrew Boyer aboyer@averesystems.com