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Date:      Fri, 28 Sep 2001 17:33:58 -0500
From:      Andy Sparrow <spadger@best.com>
To:        Joe Greco <jgreco@ns.sol.net>
Cc:        barney@databus.com (Barney Wolff), freebsd-stable@FreeBSD.ORG
Subject:   Re: 127/8 continued 
Message-ID:  <20010928223358.11AE43E2A@CRWdog.demon.co.uk>
In-Reply-To: Message from Joe Greco <jgreco@ns.sol.net>  of "Fri, 28 Sep 2001 11:22:49 CDT." <200109281622.LAA88126@aurora.sol.net> 

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> > Joe, does this work on an Ethernet used as a point-to-point, with
> > a crossover cable?  That would actually be quite useful, but I'd
> > be pleasantly surprised if it works now.
> 
> No, since the OS does not see it as a point-to-point link, even if there
> are just the two nodes on it.
> 
> I do not think there's any technical reason it couldn't be done though, if
> someone wanted to write a point-to-point mod for the ethernet drivers.

ObDataPoint:

Solaris lets you set the POINTTOPOINT flag on ethernet links via ifconfig.

I've found it quite useful for dedicated backup links, or alternative NAS 
device->App server data paths. It's no substitute for GigabitEthernet, 
however..

Cheers,

AS



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