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Date:      Fri, 18 Mar 2005 07:15:50 -0600
From:      Greg Barniskis <nalists@scls.lib.wi.us>
To:        Abu Khaled <khaled.abu@gmail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Ethernet issue: works one way but not another
Message-ID:  <423AD486.9000008@scls.lib.wi.us>
In-Reply-To: <a64c109e05031804504ccee316@mail.gmail.com>
References:  <1ddef26705031618062ca77d49@mail.gmail.com> <a64c109e0503161816671a3cf3@mail.gmail.com> <1ddef267050317082121efe523@mail.gmail.com> <a64c109e050317151843c60518@mail.gmail.com> <1ddef267050317194320705b57@mail.gmail.com> <a64c109e05031804504ccee316@mail.gmail.com>

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Abu Khaled wrote:
...
> Am I the only one interested in this topic? Where is the rest of our
> lovely community?
> Come on guys let's scratch those gray cells and help John out.
> 

Although progress is being made on getting detail, it's still 
insufficient (and, not entirely consistent? if the connection in 
question is *wired* then probably the fact that a wireless access 
point exists on the same subnet is not likely relevant). Anyway, I 
do not have a clear vision of what connects to what, how.

The relevant portions of rc.conf, ifconfig output (and ipconfig 
output from the M$ box), the syntax of the tcpdump, the specs of the 
box, and other relevant details might spur more response. A simple 
ASCII representation of the network might help.

FWIW, I've seen tcpdump behave poorly if the box or card just 
doesn't have the horsepower required to parse the volume of all the 
packets being seen on the network.

re: can't ping M$ box... M$ firewall sounds like the most likely 
culprit. If you try to ping and get no response, does the M$ box 
nevertheless show up in FreeBSD's arp table (compare arp -an before 
and after the ping test)? If the MAC address shows up, you've got 
connectivity just fine, but something's dropping the ICMP packets.

PS to Abu -- your written English is as good or better than many 
native speakers of the language, so don't apologize for it. =)

-- 
Greg Barniskis, Computer Systems Integrator
South Central Library System (SCLS)
Library Interchange Network (LINK)
<gregb at scls.lib.wi.us>, (608) 266-6348



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