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- Newsgroups: comp.dcom.modems,alt.winsock.trumpet
- Path: netcom.com!llarrow
- From: llarrow@netcom.com (Lynn Larrow)
- Subject: Re: Shouldn't TCPMSS=(MTU-40). ??
- Content-Type: Text/Plain; charset=US-ASCII
- Message-ID: <llarrowDnq9MA.MGz@netcom.com>
- Sender: llarrow@netcom9.netcom.com
- Organization: The Iguanodon Society
- X-Newsreader: WinVN 0.99.7
- References: <4h2kiv$pn5@news2.cais.com>
- Mime-Version: 1.0
- Date: Mon, 4 Mar 1996 05:22:57 GMT
-
- In article <4h2kiv$pn5@news2.cais.com>, jk93@mail.erols.com says...
- >
- >My ISP (who has about 20 tech support reps who know very little) tells
- everyone they should
- >use the following trumpet settings:
- >
- >MTU 576
- >RWIN 2048
- >TCPMSS 512
- >
- >None of the support reps there knew why the tcpmss is not 40 less than the
- MTU,
- >in their recommended setup. But everything i've read elsewhere says it
- should
- >be 40 less (I assume it meant exactly 40 less).
- >Anyone have any idea if those setting are valid?
- >
- In general:
-
- "THE TCP MAXIMUM SEGMENT SIZE IS THE IP MAXIMUM DATAGRAM SIZE MINUS
- FORTY."
-
- From http://www.cis.ohio-state.edu/htbin/rfc/rfc879.html
- --
- _____________________________________________________________________
- [Lynn Larrow, Systems Engineer| llarrow@netcom.com| Corte Madera, CA]
- ["When the shoe fits, the foot is forgotten" - Chuang Tzu]
- http://www.webcom.com/~llarrow/tiarefg.html [SLiRP/TIA/Trumpet Setup]
-
-