From owner-freebsd-hackers Mon Aug 6 8:10:55 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from softweyr.com (softweyr.com [208.247.99.111]) by hub.freebsd.org (Postfix) with ESMTP id 7476D37B401; Mon, 6 Aug 2001 08:10:50 -0700 (PDT) (envelope-from wes@softweyr.com) Received: from localhost.softweyr.com ([127.0.0.1] helo=softweyr.com ident=65c9a564a79b1c61e4536a68eeb31360) by softweyr.com with esmtp (Exim 3.16 #1) id 15Tm9Q-0000ob-00; Mon, 06 Aug 2001 09:18:40 -0600 Message-ID: <3B6EB550.FEED14E7@softweyr.com> Date: Mon, 06 Aug 2001 09:18:40 -0600 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.75 [en] (X11; U; Linux 2.2.12 i386) X-Accept-Language: en MIME-Version: 1.0 To: Randy Bush Cc: Leo Bicknell , freebsd-hackers@FreeBSD.ORG, freebsd-net@FreeBSD.ORG Subject: Re: 303,000 routes in kernel References: <20010804215529.C7176@cicely20.cicely.de> <32301.996956619@verdi.nethelp.no> <20010805002233.A7991@cicely20.cicely.de> <20010804184045.A87444@ussenterprise.ufp.org> <200108050027.f750RkG77073@earth.backplane.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Randy Bush wrote: > > > All of the current designs used in the core, and many of the edge > > designs as well keep the "full table" (distilled to the minimum > > amount of information to forward a packet) available to the hardware > > forwarding engine. This includes Cisco's GSR line, and Junipers > > M-series routers. While working differently, Cisco's 7200's and > > 3600's also do the "full table thing". > > to be clear. they keep the *forwarding* table on card/in-cache, not the ^^^^^^^^^^^^^^^^^^ Which is, essentially, a route cache. The difference is a big router (really a switch these days) has a number of processors on the network interface cards to process the forwarding table. -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message