Date: 01 Dec 2001 13:38:54 -0600 From: James McNaughton <jtm63@enteract.com> To: Jonathan Hilgeman <JHilgeman@ecx.com> Cc: "'freebsd-questions@freebsd.org'" <freebsd-questions@freebsd.org> Subject: Re: Slow/Fast Bandwidth Spurts Message-ID: <86itbqd92p.fsf@jamestown.21stcentury.net> In-Reply-To: <5D90F61EB6FDD411836500508B137F1AA3F039@mailsvr.ecx.com> References: <5D90F61EB6FDD411836500508B137F1AA3F039@mailsvr.ecx.com>
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Jonathan Hilgeman <JHilgeman@ecx.com> writes: > I have a FreeBSD box at home running behind a router on a DSL connection. > I have a Windows 2000 box running at a different location on a T1 > connection. It is also behind a firewall. > I use SecureCRT on Windows 2000 to connect to my FreeBSD box via port 22 > (SSH1). > For about 5-10 seconds of my session, the speed is instantaneous - no > problems whatsoever. > All of a sudden, I will hit a slow-down and things I type will take 3 > seconds to echo back from the server. > Suddenly it will be back at full speed for a few seconds. > This cycle loops forever - it is driving me nuts. Any thoughts on this? > > I know that the data is not getting filtered by firewalls or something > because it WILL come through eventually, but the speed just randomly goes > from fast to slow to fast to slow over and over again. No patterns that I > can detect - I'm running Apache and MySQL but nobody knows about the box. > > Any reasons this might happen? > My setup is very similar to yours except I have a cable modem instead of ADSL. I had the exact symptom occur. In trying to find out what was happening while logged in to my home system from work (home is where the BSD is) I started pinging and found a 30% packet loss on my home firewall's outside interface. When I got home I found that the jumper cable from the firewall to the cable modem had bee tugged real hard (probably my cats horsing around). I removed and reinserted the cable securely and the problem went away. Hope yours is as simple. Jim To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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