From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sandelman.ca (relay.cooperix.net [IPv6:2a01:7e00::f03c:91ff:feae:de77]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 24F9E3CB36; Sun, 24 Mar 2019 08:32:05 -0400 (EDT) Received: from dooku.sandelman.ca (cst-prg-34-242.cust.vodafone.cz [46.135.34.242]) by relay.sandelman.ca (Postfix) with ESMTPS id 5C0831F45B; Sun, 24 Mar 2019 12:32:04 +0000 (UTC) Received: by dooku.sandelman.ca (Postfix, from userid 179) id 73DEC2C49; Sun, 24 Mar 2019 13:32:03 +0100 (CET) From: Michael Richardson To: Jonathan Morton cc: Pete Heist , Cake List , ecn-sane@lists.bufferbloat.net In-reply-to: References: <3F3F78F9-8F97-42F2-9005-F8449489BECF@gmail.com> <42B7B2FB-94FC-4CA6-B75E-CADB61FE3173@gmail.com> <6047E899-078F-4E08-A29C-B87D268A4E5E@heistp.net> <69EA569B-4AD2-4C4B-937B-9ABDD563B120@gmail.com> Comments: In-reply-to Jonathan Morton message dated "Sun, 24 Mar 2019 12:08:33 +0100." X-Mailer: MH-E 8.6; nmh 1.6; GNU Emacs 24.5.1 MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Date: Sun, 24 Mar 2019 13:32:03 +0100 Message-ID: <11555.1553430723@dooku.sandelman.ca> X-Mailman-Approved-At: Sun, 31 Mar 2019 08:10:14 -0400 Subject: Re: [Cake] [Ecn-sane] The two SCE tests I have in mind X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Mar 2019 12:32:05 -0000 --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Jonathan Morton wrote: >> On 24 Mar, 2019, at 12:05 pm, Pete Heist wrote: >>=20 >> tcpdump -r file.pcap udp port 2112 and greater 80 and "ip[1] !=3D 0x= 1=E2=80=9D >>=20 >> =E2=80=9Cgreater 80=E2=80=9D ignores the handshake packets and 0x1 i= s whatever TOS >> value we want to make sure the packets contain. We can use different >> filters for other traffic. > Bear in mind that the TOS byte contains ECN as well as DSCP fields, a= nd > the latter is left-justified. libpcap should probably learn about DSCN bits to avoid people having to think so much :-) Send patches to me/github. =2D-=20 ] Never tell me the odds! | ipv6 mesh network= s [=20 ] Michael Richardson, Sandelman Software Works | network architect= [=20 ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails = [=20 =09 --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEERK+9HEcJHTJ9UqTMlUzhVv38QpAFAlyXeMMACgkQlUzhVv38 QpB3sQf7Bo9j2vKBx6bR1SwMwR3zyMUwKhMKgwtZr2V6IO8nJWeYelPjjr7Xflwt 99o5DWJ2Yxk7b7Bhd9dJm30a7PjLgauDDL+/GrfVWDhfVaZJjPmOpfsH/8DgwPg6 17Mb/PMCRw71BsduNBp1WKdo5VSRxQZtHknYxcV+LXIBKSKN1MnONV1BwYjUWari qEe+yXgqh4OxTarrYsXr3vBEOLsWHF/dGsjZi9aoiM86hhdD5A+sEAeC4APe+3jS dNlDQY7QtNtnzWemfNrtMB3Tm5dgbHYMAPllHExe5+Zcobf3CUDeW5H7nsOJIO/9 wjBol9g+Pw+8St4Gg48c2PMMLPq0TQ== =CgyN -----END PGP SIGNATURE----- --=-=-=--