linux-kernel - Re: When does Linux drop UDP packets?

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Message-ID: <20090625050052.GA30594@gondor.apana.org.au>
Date:	Thu, 25 Jun 2009 13:00:52 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	david@...g.hm
Cc:	alex@...riz.org.uk, linux-kernel@...r.kernel.org
Subject: Re: When does Linux drop UDP packets?

david@...g.hm wrote:
>
> given that each subnet will be a minimum of 4 IP addresses (the network 
> address, two useable, and thr broadcast address), putting each machine on 
> it's own subnet and routing between them on the switch would be very 
> wasteful of addresses.

What I mean is that if you have snooping switches then multicasts
and broadcasts are not the same even when you're on the same subnet.

Cheers,
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