From owner-freebsd-current Mon Jan 15 05:24:57 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id FAA12766 for current-outgoing; Mon, 15 Jan 1996 05:24:57 -0800 (PST) Received: from asstdc.scgt.oz.au (root@asstdc.scgt.oz.au [202.14.234.65]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id FAA12757 for ; Mon, 15 Jan 1996 05:24:52 -0800 (PST) Received: (from imb@localhost) by asstdc.scgt.oz.au (8.6.12/BSD4.4) id AAA24819 for current@freebsd.org; Tue, 16 Jan 1996 00:24:43 +1100 From: michael butler Message-Id: <199601151324.AAA24819@asstdc.scgt.oz.au> Subject: PPP header compression ? To: current@freebsd.org Date: Tue, 16 Jan 1996 00:24:42 +1100 (EST) X-Mailer: ELM [version 2.4 PL24beta] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-current@freebsd.org Precedence: bulk This is curious .. kernel mode PPP is doing different things according to who it's talking to .. .. to a 2.1-stable box .. percy:~ % /usr/sbin/pppstats in pack comp uncomp err | out pack comp uncomp ip 2662016 49041 19786 24387 19 | 21019478 65016 40564 19672 4780 1022 24 12 12 0 | 16420 40 32 8 0 1163 31 16 15 0 | 28790 57 49 8 0 1172 31 16 14 0 | 22887 46 36 9 1 1195 22 7 14 0 | 10655 33 18 14 1 1195 26 11 15 0 | 14736 37 28 9 0 1197 22 7 15 0 | 10877 32 19 13 0 ^C .. to a Linux 1.2.?? kernel .. percy:~ % /usr/sbin/pppstats 1 in pack comp uncomp err | out pack comp uncomp ip 20190840 380361 322335 29621 20 | 100222647 320016 271920 18881 29215 914 52 45 7 0 | 15893 39 37 2 0 685 49 48 1 0 | 14999 41 41 0 0 802 54 51 2 0 | 15650 43 41 1 1 703 51 50 1 0 | 17328 44 44 0 0 780 54 52 2 0 | 15756 42 42 0 0 905 53 45 8 0 | 19313 47 44 3 0 883 56 53 1 0 | 16578 47 45 0 2 763 51 48 3 0 | 15468 41 40 1 0 Even though the vast majority of traffic on both links is currently news, the Linux box is seeing (and sending) far fewer packets with uncompressed headers. What gives ? Why doesn't ours do that ? :-) michael