From owner-freebsd-hardware@FreeBSD.ORG  Wed Apr 27 22:44:05 2005
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Date: Thu, 28 Apr 2005 08:44:01 +1000 (EST)
From: Neo-Vortex <root@Neo-Vortex.net>
To: Roberto Corradi <eivico@tin.it>
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cc: freebsd-hardware@freebsd.org
Subject: Re: Ethernet Interface - PING problem
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On Wed, 27 Apr 2005, Roberto Corradi wrote:

<snip>
> dc0: flags=108843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>       options=8<VLAN_MTU>
>       inet 192.168.254.3 netmask 0xffffff00 broadcast 192.168.254.255
>       inet6 fe80::208:a1ff:fe2a:1744%dc0 prefixlen 64 scopeid 0x1
>       ether 00:08:a1:2a:17:44
>       media: Ethernet autoselect (100baseTX <full-duplex>)
>       status: active

<snip>

> > ping <host_ip>
> send to: host is down
>
> I can't ping any host in my lan!!
> At boot time, while system is probing interfaces,
> this messagge is written (dc0 is my network interface):

I presume the rest of your lan is on the 192.168.254.* range?

Do you have any firewalls enabled on any of the box's?

Can you ping the FreeBSD box from other box's?

What does a packet sniffer show when you try to ping it or get ping'd from
other box's?  Are packets actually being send and recieved?

Is the switch/hub dodgy? Try chaning ports to a port you know to work.

Is there any encryption running over the network? (ie, ipsec and the like)

~Neo-Vortex