From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Greg Scott" Subject: RE: Very confused about broute DROP Date: Sat, 17 Sep 2011 20:47:03 -0500 Message-ID: <925A849792280C4E80C5461017A4B8A2A0444C@mail733.InfraSupportEtc.com> References: <925A849792280C4E80C5461017A4B8A2A040F0@mail733.InfraSupportEtc.com> <20110711130729.607d461e@nehalam.ftrdhcpuser.net> <925A849792280C4E80C5461017A4B8A2A040F3@mail733.InfraSupportEtc.com> <20110711134938.5178797c@nehalam.ftrdhcpuser.net> <925A849792280C4E80C5461017A4B8A2A040F6@mail733.InfraSupportEtc.com> <20110712000242.GA616804@jupiter.n2.diac24.net> <925A849792280C4E80C5461017A4B8A2A040F8@mail733.InfraSupportEtc.com> <20110712033943.GB616804@jupiter.n2.diac24.net> <925A849792280C4E80C5461017A4B8A2A040FA@mail733.InfraSupportEtc.com> <20110712145438.GB909183@jupiter.n2.diac24.net> <925A849792280C4E80C5461017A4B8A2A040FB@mail733.InfraSupportEtc.com> <925A849792280C4E80C5461017A4B8A2A04134@mail733.InfraSupportEtc.com> <925A849792280C4E80C5461017A4B8A2A0413A@mail733.InfraSupportE tc.com> <925A849792280C4E80C5461017A4B8A2A04149@mail733.InfraSupportEtc.com> <925A849792280C4E80C5461017A4B8A2A0414B@mail733.InfraSupportEtc.com> <925A849792280C4E80C5461017A4B8A2A04438@mail733.Infr aSupportEtc. com> <184D23435BECB444AB6B9D4630C8EC83028548FD@XMB-RCD-303.cisco.com> <925A849792280C4E80C5461017A4B8A2A0443A@mail733.InfraSupportEtc.com> <184D23435BECB444AB6B9D4630C8EC8302854957@XMB-RCD-303.cisco.com> <925A849792280C4E80C5461017A4B8A2A0443B@mail733.InfraSupportEtc.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Cc: "Graham Parenteau" To: "Christian Benvenuti \(benve\)" , Return-path: Received: from mail.infrasupportetc.com ([216.160.2.132]:25216 "EHLO mail.InfraSupportEtc.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752437Ab1IRBrG convert rfc822-to-8bit (ORCPT ); Sat, 17 Sep 2011 21:47:06 -0400 Content-class: urn:content-classes:message Sender: netdev-owner@vger.kernel.org List-ID: A clarification - hopefully my embarrassing mistake can be of some use. ARP is an L2 protocol, not an L3 protocol. ARP is **not** part of IPv4 or IPv6. Look in the IANA list of IP protocol numbers - there's none for ARP. ARP is defined in Layer 2, not L3. I would have missed that question on a cert test. That's why my broute rules need to take ARPs into account. - Greg