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

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Message-ID: <20090625061348.GA31407@gondor.apana.org.au>
Date:	Thu, 25 Jun 2009 14:13:48 +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?

On Wed, Jun 24, 2009 at 10:37:14PM -0700, david@...g.hm wrote:
>
> please explain more? how do they differ?

An IGMP-snooping switch will only forward multicast traffic to
ports that have subscribed to that group.  Broadcast traffic
on the otherhand is forwarded to all ports.

Cheers,
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