From: Stef Coene <stef.coene@docum.org>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Problems at end of slow satelite link
Date: Sat, 08 Mar 2003 19:42:21 +0000 [thread overview]
Message-ID: <marc-lartc-104715283430898@msgid-missing> (raw)
In-Reply-To: <marc-lartc-104696880831202@msgid-missing>
On Thursday 06 March 2003 17:33, Ben Clewett wrote:
> Newbe hoping this is the correct area to post.
>
> I've been reading the LARTC HOWTO, but at 110 pages, I am finding it
> difficult to know where to start. I hope you may be able to surgest a
> starting place to a couple of problems I am having.
>
> I am dealing with the slow end of a satelite ADSL. This is 'lumpy',
> with huge latency (1 to 30 sec), 10% dropped packets, huge but
> intermittent bursts of packets, and generally a pile of poo. The
> supplier (BT) is of course no help, so we have to live with what we have.
>
> I have tried limiting the bandwidth with a Tocket Bucket Filter with
> almost no effect.
>
> What I think I need is to agressivelly schedule SSH and Telnet before
> all other TCP connections. Others I don't care about. There are I see
> many scheduling options, can any member surgest how I might atchive this?
>
> The second problem I have is that my connection keeps terminating
> (Telnet, SSH) with 'Connection closed by foreign host', with no message
> in logs. Always during streaming of data. Some part of the kernel is
> getting tired of waiting for the other end to respond, or possible a
> buffer overflow? Again, if any member may surgest how this can be
> countered with extream predudice, I would be extreamly greatful.
I think it's best you create a htb setup with different classes. One of the
classes needs a higher priority so the packets in that classes are send
first. Next you need to put the ssh/telnet/syn/ack packets in that classes.
All needed information can be found in the LARTC howto. And you can also
find more info on www.docum.org.
Stef
--
stef.coene@docum.org
"Using Linux as bandwidth manager"
http://www.docum.org/
#lartc @ irc.oftc.net
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next prev parent reply other threads:[~2003-03-08 19:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-06 16:33 [LARTC] Problems at end of slow satelite link Ben Clewett
2003-03-08 19:42 ` Stef Coene [this message]
2003-03-10 11:00 ` Ben Clewett
2003-03-10 17:57 ` Stef Coene
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