From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: To: 9fans@cse.psu.edu Subject: Re: [9fans] linux il/ip From: Charles Forsyth Date: Tue, 26 Sep 2006 16:14:43 +0100 In-Reply-To: <1055b16f0609260653i60fb764al9743bed22a0dfec3@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: c2184f88-ead1-11e9-9d60-3106f5b1d025 > since many routers dislike any data that's not udp/tcp >> that's not true - ip routers don't care about layers 4 and up most of the time it's mainly nat boxes and other protocol transformers that are confused. to assist that and similar transformations, the ipv6 designers carefully put port numbers, lengths and checksums in standard places in all v6 variants of the existing protocols (since the headers were changing anyway). how's that??? they didn't!!??!?!