Return to BSD News archive
Xref: sserve comp.os.386bsd.questions:12139 comp.unix.bsd:14520 comp.protocols.tcp-ip:30871
Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!bunyip.cc.uq.oz.au!munnari.oz.au!news.Hawaii.Edu!ames!elroy.jpl.nasa.gov!usc!nic-nac.CSU.net!charnel.ecst.csuchico.edu!yeshua.marcam.com!MathWorks.Com!transfer.stratus.com!xylogics.com!Xylogics.COM!carlson
From: carlson@Xylogics.COM (James Carlson)
Newsgroups: comp.os.386bsd.questions,comp.unix.bsd,comp.protocols.tcp-ip
Subject: Re: Problems with FreeBSD SLIP (can telnet/cannot ping)
Date: 1 Aug 1994 15:40:42 GMT
Organization: Xylogics Incorporated
Lines: 37
Distribution: world
Message-ID: <31j51q$97e@newhub.xylogics.com>
References: <1994Aug1.055730.4188@atlas.com>
Reply-To: carlson@xylogics.com
NNTP-Posting-Host: steam.xylogics.com
In article <1994Aug1.055730.4188@atlas.com>, brantk@adcmail.atlas.com (brantk) writes:
|>
|> I'm working on adding my small network to the Internet. Connection is
|> made via a 14.4Kbps dialup SLIP connection. I can telnet out, ftp,
|> you name it. I just can't ping hosts outside of my own local network.
|> Strange, considering I can reach them via telnet.
|>
|> Here's a few facts to consider:
|>
|> * The IP address of my local net is 199.26.157.x, which is an "official"
|> class C assigned by the InterNIC.
|>
|> * My domain is vertigo.com, this is NOT official, and is not used outside
|> my local network (not until it's official, anyways).
|>
|> * I am connecting to my provider's NetBlazer, which uses Dynamic IP. (I
|> get a different IP address every time I dial up).
|>
|> * My gateway machine is an Intel-based machine running FreeBSD 1.1.0(Beta).
|> All of my tests were run from the gateway (everest).
|>
|> * Configuration and routing are done as follows:
|> slattach -s 38400 /dev/ttyd0
|> ifconfig sl0 ${IP_ADDRESS} up
|> route flush
|> route add default ${IP_ADDRESS}
|>
|> Any ideas on where I should continue looking? I can't find anything
|> abnormal in any of my configuration files.
They probably have ICMPs turned off on your line. This is a common
thing to do to avoid wasting bandwidth on them.
--
James Carlson <carlson@xylogics.com> Tel: +1 617 272 8140
Annex Software Support / Xylogics, Inc. +1 800 225 3317
53 Third Avenue / Burlington MA 01803-4491 Fax: +1 617 272 2618