From owner-freebsd-questions Tue Mar 11 13:51:24 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id NAA12521 for questions-outgoing; Tue, 11 Mar 1997 13:51:24 -0800 (PST) Received: from croute.com (ishm2.croute.com [199.97.106.1]) by freefall.freebsd.org (8.8.5/8.8.5) with SMTP id NAA12516 for ; Tue, 11 Mar 1997 13:51:21 -0800 (PST) Received: from bldg1.croute.com by croute.com (4.1/SMI-4.1) id AA05954; Tue, 11 Mar 97 15:51:16 CST Received: from COMPUROUTE/SpoolDir by bldg1.croute.com (Mercury 1.21); 11 Mar 97 15:51:16 -0600 (CST) Received: from SpoolDir by COMPUROUTE (Mercury 1.30); 11 Mar 97 15:51:08 -0600 (CST) From: "Larry Dolinar" Organization: CompuRoute, Inc. To: questions@FreeBSD.org Date: Tue, 11 Mar 1997 15:51:00 -0600 CDT Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Subject: slow FTP from some customers X-Confirm-Reading-To: "Larry Dolinar" X-Pmrqc: 1 Priority: normal X-Mailer: Pegasus Mail v3.40 Message-Id: <7F9405C317C@bldg1.croute.com> Sender: owner-questions@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk We run 2.1.0-R on the follwing gear: Asus Triton II, 256K cache P5-75 32MB RAM Adaptec 2940 Seagate 2GB 3Com 3C590 (ep0) Our link to the Internet is through an Ascend P50 (2B+D), generally up all the time, but not necessarily both channels. wu-ftpd.2.4 is our daemon, and we have a few private accounts setup for the more nervous of our customers. Some of them have been reporting for the last few weeks that their transfers are noticeably slow or timeout. Some of these are new customers, some aren't; particularly the older customers have noticed a change, but I'm unable so far to pin it down to anything on the machine. There have been no changes to any running software that I'm aware of, and I can be dealing with a problem connection at the same time someone else is flying along -- there are seldom more than 3 connections at any one time. traceroute has turned up something noticeable, however: almost invariably the problem connections are a dozen or more hops away, and generally involve one of the coastal nightmares. They generally are also behind firewalls. Included are a couple of listings for the more buggy ones, along with one for Walnut Creek. I'm trying to figure out what I can fine-tune, or at least explain to these people, some of whom are beginning to look fondly back on modems (shudder). Any insight will be greatly appreciated. I'm still a little unclear (even after man traceroute) about the 3 time fields, and which one indicates the most likelihood of a problem. regards, larry firewall.bbrown.com (Burr Brown, Tucson AZ): 1 link.croute.com (199.97.106.222) 1.650 ms 1.542 ms 1.526 ms 2 dallas4.tx.isdn.psi.net (38.146.199.112) 29.729 ms 29.868 ms 29.730 ms 3 dallas2.tx.pop.psi.net (38.146.199.1) 31.296 ms 32.898 ms 32.541 ms 4 rc.sc.central.us.psi.net (38.1.22.1) 39.780 ms 278.659 ms 37.605 ms 5 east.ext.sc.psi.net (38.1.3.6) 102.694 ms 104.335 ms 103.039 ms 6 sl-mae-e2.sprintlink.net (192.41.177.242) 306.165 ms 480.195 ms 166.683 ms 7 sl-dc-1-H8/0-T3.sprintlink.net (144.228.10.93) 105.587 ms 108.988 ms 110.667 ms 8 144.232.0.13 (144.232.0.13) 552.409 ms 310.367 ms 456.049 ms 9 144.232.0.9 (144.232.0.9) 386.917 ms 107.980 ms 122.532 ms 10 sl-fw-5-H4/0-T3.sprintlink.net (144.228.10.18) 143.052 ms 143.635 ms 137.390 ms 11 sl-fw-6-F/T.sprintlink.net (208.12.128.6) 248.464 ms 152.467 ms 144.922 ms 12 sl-ana-14-H1/0-T3.sprintlink.net (144.228.10.30) 173.060 ms 228.348 ms 404.544 ms 13 sl-ana-8-F0/0.sprintlink.net (144.228.70.8) 215.970 ms 148.111 ms * 14 sl-bbrown-2-s0-224k.sprintlink.net (144.228.78.90) 254.393 ms 327.979 ms 166.314 ms 15 firewall.bbrown.com (206.61.218.111) 185.102 ms 175.034 ms 386.681 ms atc.boeing.com (Boeing, Wichita KS): 1 link.croute.com (199.97.106.222) 1.745 ms 1.519 ms 1.489 ms 2 dallas4.tx.isdn.psi.net (38.146.199.112) 145.466 ms 40.331 ms 34.400 ms 3 dallas2.tx.pop.psi.net (38.146.199.1) 33.322 ms 32.004 ms 35.205 ms 4 rc.sc.central.us.psi.net (38.1.22.1) 36.621 ms 57.802 ms 35.220 ms 5 nw-ext.sc.psi.net (38.1.3.7) 78.967 ms 269.366 ms 124.649 ms 6 santa-clara.west.cix.net (149.20.64.1) 206.888 ms 167.843 ms 80.441 ms 7 sl-stk-5-S3/2-T1.sprintlink.net (149.20.4.2) 165.065 ms 217.003 ms * 8 * * * 9 * sl-sea-1-H2/0-T3.sprintlink.net (144.228.10.58) 213.519 ms * 10 sl-sea-3-F0/0.sprintlink.net (144.228.90.3) 304.740 ms 219.233 ms * 11 sl-starwave-1-H0-T3.sprintlink.net (144.228.93.6) 311.543 ms * * 12 seabr3-gw.nwnet.net (204.200.9.7) 260.632 ms 256.748 ms 370.888 ms 13 * boeing-gw.nwnet.net (198.104.192.25) 210.604 ms * 14 * 130.42.228.1 (130.42.228.1) 228.159 ms * 15 * atc.boeing.com (130.42.28.80) 238.173 ms 397.173 ms Walnut Creek 1 link.croute.com (199.97.106.222) 17.083 ms 1.526 ms 1.552 ms 2 dallas4.tx.isdn.psi.net (38.146.199.112) 31.216 ms 29.581 ms 29.691 ms 3 dallas2.tx.pop.psi.net (38.146.199.1) 32.558 ms 32.943 ms 340.040 ms 4 rc.sc.central.us.psi.net (38.1.22.1) 66.077 ms 69.878 ms 205.812 ms 5 nw-ext.sc.psi.net (38.1.3.7) 97.479 ms 73.070 ms 128.073 ms 6 T3-CRL-SFO-01-H3/0.US.CRL.NET (149.20.64.19) 78.321 ms 80.694 ms 166.526 ms 7 wcarchive.cdrom.com (165.113.58.253) 254.695 ms 81.134 ms 77.432 ms