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

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Message-ID: <alpine.DEB.1.10.0906242236400.28437@asgard.lang.hm>
Date:	Wed, 24 Jun 2009 22:37:14 -0700 (PDT)
From:	david@...g.hm
To:	Herbert Xu <herbert@...dor.apana.org.au>
cc:	alex@...riz.org.uk, linux-kernel@...r.kernel.org
Subject: Re: When does Linux drop UDP packets?

On Thu, 25 Jun 2009, Herbert Xu wrote:

> 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.

please explain more? how do they differ?

David Lang
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