From: "Massimo S." Received: from [192.168.100.201] (HELO mail.2rosenthals.com) by 2rosenthals.com (CommuniGate Pro SMTP 5.4.10) with ESMTPS id 294313 for ecs-isp@2rosenthals.com; Wed, 22 Jan 2020 14:38:21 -0500 Received: from secmgr-va.2rosenthals.com ([50.73.8.217]:40626 helo=mail2.2rosenthals.com) by mail.2rosenthals.com with esmtps (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1iuLqJ-0002e1-0m for ecs-isp@2rosenthals.com; Wed, 22 Jan 2020 14:39:11 -0500 Received: from mail2.quasarbbs.net ([80.86.52.115]:10060) by mail2.2rosenthals.com with esmtp (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1iuLqE-00031R-2g for ecs-isp@2rosenthals.com; Wed, 22 Jan 2020 14:39:07 -0500 Received: from [192.168.10.199] (dtp [192.168.10.199]) by srv2 (Weasel v2.71) for ; 22 Jan 2020 20:39:04 X-CTCH-RefID: str=0001.0A02020D.5E28A4DF.002D,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-CTCH-RefID: str=0001.0A020204.5E28A4DB.001F,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 Reply-To: ml@ecomstation.it Subject: Re: [eCS-ISP] [eCS ISP] fttc and fiber datarates To: eCS ISP Mailing List References: Organization: eComStation dot it Message-ID: <3fa54aa9-b2d0-55a9-6719-14b583cce0af@ecomstation.it> Date: Wed, 22 Jan 2020 20:39:02 +0100 User-Agent: Mozilla/5.0 (OS/2; U; Warp 4.5; it-IT; rv:1.7.13) Gecko/20060424 Thunderbird/1.0.8 Mnenhy/0.7.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Language: it-IT Content-Transfer-Encoding: 7bit Hi Ian, thanks a lot for answering Il 22/01/2020 17:44, Ian Manners ha scritto: > Hi Massimo, > > As posted at os2world.com.. > > goto > I say go here as a means to try to get data on your connection. > > What does it say your "RWIN Scaling (RFC1323) = 2 bits (scale factor: > 2^2=4)" is? > > and what value does it give for "Unscaled TCP Receive Window"? > > "Unscaled TCP Receive Window" is important because this > maybe the maximum tcpswinsize/tcprwinsize values you that > you will be able to use if a multiple does not fit in or under > the OS/2 maximum of 246723. Putting a number in without > it being a proper multiple will result in retransmits. > > What you are looking for is a MULTIPLE that fits, the size of RWIN is not > > overly important for us. Ignore the bandwidth * delay product for now. If ok, in the next days i will post data > you are interested you can find more information on that by searching for > > RFC1323 and having a read. > > Feel free to post everything in the window from that webpage > in the "Share Your Results" box. > >> i will be forced to move my firewalls from eCS (or AOS in the future) >> to applicances :( > > If you want to get the full speed of your line, you may not > have any other choice. > > Life would be easier if we had TCP/P Autotune like Linux has > but we do not :) > > Cheers "...Life would be easier if we had TCP/P Autotune like.." what i need is a firewall that support connections of 30, 50 and 100 Megabit/sec, is this possible? e.g. here i've 2 servers on a 100Megabit/sec full granted one do 2,5MegaBytes/sec of download and that's no good but the other (same harwdare & os & drivers) do 7MegaBytes/sec* of download that's is sufficient for a 100Megabit/sec (since my office is quite far from the FTTC cabinet) *i still have to understand why the other server is slow in download datarate :( massimo