From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id DFDC7A04A2; Tue, 5 Nov 2019 16:51:37 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 656221BEE9; Tue, 5 Nov 2019 16:51:37 +0100 (CET) Received: from mail-pf1-f175.google.com (mail-pf1-f175.google.com [209.85.210.175]) by dpdk.org (Postfix) with ESMTP id E627C1BFFC for ; Tue, 5 Nov 2019 16:51:35 +0100 (CET) Received: by mail-pf1-f175.google.com with SMTP id s5so7544753pfh.9 for ; Tue, 05 Nov 2019 07:51:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=hCHyarRwxMwY3kIAAlCeZ+oB/h+Yq53mG+yTifEaIzk=; b=VcOiU6gVcyo7Ah8FWcwAuvy0txsPfVLWCp/CEzkKJHfReOjV/jShoLUW7GbWeblOQR wEZY0fq7+F9RqfRZuJBW5RGFMWElsNgbwpNA+yYXX0ZCI9cGtpyJjE4KrEM7Zime9YPK F7iUT50EFQqBR5VApAjLUSOgKhZzrIrlRT7zT0tq3cgkN6qWVp0opb7rPKEEUAvP3JU2 4ly9KB/R3xY2q2WTOExFDUZROYi7JMVQikqamKYn0SKKsaa8py/nS8Smmw2NvizFPrrn jlE6CujVUZRYH64q9XXakKpcWizeqmYnTy6RBf1LgMnZ//N6m5n/KRAxus16UjMk+7A/ UgHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=hCHyarRwxMwY3kIAAlCeZ+oB/h+Yq53mG+yTifEaIzk=; b=lswukjicE9flJgTovNz+zuspMMgWD0sO1oq9EFRt+qzIqWOfY+BOzSJhL4IK+bky3g kF3MCTYWFsrLhrRVXt3gRQ3w659CB+U8gC+1tCHEFZQBuKvmUdkekBlOpiNcdQDOcZWJ 8MFiCyxYjVByCeGdnURbc9mgZ1EC/puo1T0SUWi5sAiRg3S13OydhSBSdCTyhTlqEddz iphtN7Sr+x7pBJqNxCqH9N6yldo63D2Ia7sf2qaPVJevFJsZyU9pxyRMLvxnKqAtL2M7 PqGKzu4bO3uaUwo1KZJnJDThRGo2Q2iPEJrlPlpysWSOPFC6oTODoYVsEM/Rm68zrGsr s9pw== X-Gm-Message-State: APjAAAWudh+9xQmgA1RDo0Dj81Tkk25ODV4SnD8MHusJb/wF2OsEraim Gvm/pMuPzPWzhWkw6G8RBUV1FN7k0ybJfg== X-Google-Smtp-Source: APXvYqx4z0JLy7BVjWbPM2LtW/Rl+/UWbl0yUMq0f7y1+vnYChX0Yzr1SDNYCDNicJxz7B5syo1wzg== X-Received: by 2002:a63:5749:: with SMTP id h9mr31806689pgm.12.1572969094935; Tue, 05 Nov 2019 07:51:34 -0800 (PST) Received: from hermes.lan (204-195-22-127.wavecable.com. [204.195.22.127]) by smtp.gmail.com with ESMTPSA id e26sm24205308pgb.48.2019.11.05.07.51.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Nov 2019 07:51:34 -0800 (PST) Date: Tue, 5 Nov 2019 07:51:19 -0800 From: Stephen Hemminger To: Hemant Agrawal Cc: dev Message-ID: <20191105075119.3303e891@hermes.lan> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] Query on the old patch: examples/l3fwd: use reserved IPv4/IPv6 addresses X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Tue, 5 Nov 2019 13:54:43 +0000 Hemant Agrawal wrote: > Hi Stephen, > In one of your old patch, you have changed the default IP addresses to the range of 192.18.0.0 citing RFC 5735. > commit 37afe381bde4277f0078116b8d4d7a315c8e39b3 > Author: Stephen Hemminger > Date: Wed Apr 10 10:41:31 2019 -0700 > examples/l3fwd: use reserved IP addresses > > however, in the RFC, I see the range as 198.18.x.x. Was this deliberate ? Or, I am misreading? > > https://tools.ietf.org/html/rfc5735 > 198.18.0.0/15 Network Interconnect > Device Benchmark Testing RFC 2544 > > > Regards, > Hemant > Good catch, this is a typo in my patch. 198.18.0.0/15 - This block has been allocated for use in benchmark tests of network interconnect devices. [RFC2544] explains that this range was assigned to minimize the chance of conflict in case a testing device were to be accidentally connected to part of the Internet. Packets with source addresses from this range are not meant to be forwarded across the Internet.