From owner-freebsd-questions  Thu Apr  1  0:51:43 1999
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Date: Thu, 01 Apr 1999 11:56:53 +0300
From: "Andy V. Oleynik" <andyo@prime.net.ua>
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To: cjclark@home.com
Cc: Malartre <malartre@videotron.ca>, freebsd-questions@FreeBSD.ORG
Subject: Re: I cannot ping myself (DHCP+Cable Modem)
References: <199903310202.VAA01525@cc942873-a.ewndsr1.nj.home.com>
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"Crist J. Clark" wrote:

> Malartre wrote,
>
> > $ ifconfig -a
> > ed0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> >         inet 216.113.2.4 netmask 0xffffff00 broadcast 216.113.2.255
> >         ether 00:e0:29:13:56:8c
>
> > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> >         inet 127.0.0.1 netmask 0xff000000
>
> Looks good.
>
> > $ ping 216.113.2.4
> > PING 216.113.2.4 (216.113.2.4): 56 data bytes
> > ^C
> > --- 216.113.2.4 ping statistics ---
> > 9 packets transmitted, 0 packets received, 100% packet loss
>
> My first thought is, "F*ckin' weird!" But that is not too
> helpful. What are the results of trying,
>
> $ traceroute 216.113.2.4
>

In this case traceroute is bad assistant since it use ICMP
ECHO/REDIRECT too.
IMHO  output of netstat -rn  would give more usefull result

>
> And if that is not elucidating,
>
> # ping 216.113.2.4 > /dev/null &
> # tcpdump
>
> Does the 127.0.0.1 loopback work?
> --
> Crist J. Clark                           cjclark@home.com
>
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--
WBW  Andy V. Oleynik  (When U work in virtual office
                       U have good chance to obtain virtual money ö%-)





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