*BSD News Article 52679


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From: Terry Lambert <terry@cs.weber.edu>
Newsgroups: comp.unix.bsd.misc
Subject: Re: Strange FreeBSD behaving under PPP
Date: 11 Oct 1995 20:37:27 GMT
Organization: Utah Valley State College, Orem, Utah
Lines: 32
Message-ID: <45h9u7$pej@park.uvsc.edu>
References: <45bmt5$ns4@bilbo.nask.org.pl>
NNTP-Posting-Host: hecate.artisoft.com

jarekb@ire.pw.edu.pl (Jaroslaw Bazydlo) wrote:
] There is something strange in FreeBSD behaving when I use PPPd. The problem
] is: i have PPP server in my work that i can reach via Annex terminalserver,
] it works under Linux (:-), what i do now is testing FreeBSD as a low cost
] communication server. So:
] 
] FreeBSD -----> [Annex] --------> Linux PPP serwer -------> the rest of Internet
]         modem          Localnet                   outside  
] 
] Both FreeBSD  and Linux use PPPD software.  Everything works just fine as
] long FreeBSD connects to other system than FreeBSD. We have SPARC, DEC Alpha
] and i can telnet them w/o problems. When I try to telnet or rlogin another
] FreeBSD, suddenly echo on my screen slows down: after i enter loginname
] (about 5 sec). Could anyone tell me what the hell is going on ????

One of your non-FreeBSD boxes incorrectly implements RFC 1323
and RFC 1644, or incorrectly implements TCP/IP, since these
extensions are supposed to be invisible.

Modify /etc/sysconfig "tcp_extensions" line and reboot the FreeBSD
box.

If you have a terminal server, most companies now have updates that
include support for transaction TCP, etc..  This is a better fix
than disabling it on FreeBSD, if you have that option.


                                        Terry Lambert
                                        terry@cs.weber.edu
---
Any opinions in this posting are my own and not those of my present
or previous employers.