From owner-freebsd-net@FreeBSD.ORG Tue Oct 28 16:41:17 2008 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 1ED14106566C for ; Tue, 28 Oct 2008 16:41:17 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from fk-out-0910.google.com (fk-out-0910.google.com [209.85.128.185]) by mx1.freebsd.org (Postfix) with ESMTP id 982F38FC1D for ; Tue, 28 Oct 2008 16:41:16 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: by fk-out-0910.google.com with SMTP id k31so2902268fkk.11 for ; Tue, 28 Oct 2008 09:41:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type:references; bh=XFHbPIALavcrdfLOUjCQxWsxAyckvIq5ZwjHkMt4Lis=; b=Xf7gWAP+5fjEJYRPXN67LddDlnCbL2p2kf4RC3EPHCj0DNGWTW/x9ORHatRnjXp6m/ Wr/lbVDz7dkfII7fruMfAl3obgYCf9AuvvPYqylmF/AQYAfVGo5Wn6yCFsS7CmdHwBme jbackPQ1HfIfeMCKyHRPbIvL9MCwrZD/lsZh0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:references; b=DlPlq8chULzlVNkZL9DiN7epMF3Wya5ZPlUKG6wslWaHz/HyNszc/6LeG02lBIM5c+ lLR8V+p0lmVYVurh+em3wAhBUOC9rW0+E3b2Gg/DFMdOsLQOMUqs8SaCwfaI70Sye6hK aYwqKztqvbfICn+tjydjwt2cVnSjD6vaCbg8o= Received: by 10.181.136.4 with SMTP id o4mr2229487bkn.0.1225212074880; Tue, 28 Oct 2008 09:41:14 -0700 (PDT) Received: by 10.180.208.16 with HTTP; Tue, 28 Oct 2008 09:41:14 -0700 (PDT) Message-ID: <2a41acea0810280941g6c9846y6e0d4b8b19313e0a@mail.gmail.com> Date: Tue, 28 Oct 2008 09:41:14 -0700 From: "Jack Vogel" To: "Nikolay Denev" In-Reply-To: MIME-Version: 1.0 References: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-net@freebsd.org Subject: Re: ifconfig em0 mtu 9000 does not update the routing table 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: Tue, 28 Oct 2008 16:41:17 -0000 It can't change the route table when you've given it no address: IE. ifconfig em0 HOSTNAME mtu 9000 will update it just fine. Cheers, Jack On Tue, Oct 28, 2008 at 6:15 AM, Nikolay Denev wrote: > Hello, > > As the subject says, I'm trying to enable jumbo frames on running machine > by setting > ifconfig em0 mtu 9000 by hand, but nothing changed, and I've fount that > when I list > the routing table with the MTU column it shows the connected routes still > with MTU 1500. > Is this supposed to work this way? I understand that making ifconfig touch > the routing table is ugly hack, but maybe the routing code can be notified > for interface changes by some other mechanism? > > btw, this is on 7-STABLE with if_em(4) interfaces. > > -- > Regards, > Nikolay Denev > > > > > _______________________________________________ > 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" >