Date: Tue, 11 Mar 1997 16:56:47 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: Larry Dolinar <LARRYD@bldg1.croute.com> Cc: questions@FreeBSD.org Subject: Re: slow FTP from some customers Message-ID: <Pine.BSI.3.94.970311165024.2918I-100000@localhost> In-Reply-To: <7F9405C317C@bldg1.croute.com>
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On Tue, 11 Mar 1997, Larry Dolinar wrote: > 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) You meant 3c509, I bet. The 590 would be a PCI card supported by the vx driver, if that was even in 2.1.0. That's pretty old... > Our link to the Internet is through an Ascend P50 (2B+D), generally up all > the time, but not necessarily both channels. Boom, right there. Ascends are known rogues. Disable tcp extensions in /etc/sysconfig (or the sysctl's net.inet.tcp.rfc1323 and net.inet.tcp.rfc1644), or replace the Ascend with a better unit. > 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. These people may also be behind bad hardware or just experiencing overloaded connections. It's gotten bad enough that I can't get to ftp.freebsd.org during the day, and the UO has a pretty chunky outbound link. :( Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major
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