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List:       bonding-devel
Subject:    Re: [Bonding-devel] Double broadcasts?
From:       Mark Huth <mhuth () mvista ! com>
Date:       2004-06-22 17:26:26
Message-ID: 40D86BC2.7080602 () mvista ! com
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Quite probably it is expected behavior.  Bonding always "listens" on all 
interfaces.  Assuming the broadcasts are going to a MAC group address or 
the broadcast address, then it would be propagated to all interfaces by 
the switch (possibly depending on the switch configuration).  Also, if 
you have a hub instead of a switch, then you'll always see double 
packets received.

The bonding link management is vulnerable to a lot of anomolies.  But 
short of instituting a link monitoring protocol one all of the peers, it 
isn't really possible to fix.

Mark Huth

Rob Kramer wrote:

>Hi,
>
>My server seems to receive broadcast datagrams twice on its bonding interface 
>(active-backup mode), i.e. a broadcast UDP packet on the network results in 
>two distinct socket events. Is this expected behaviour, or is my setup or my 
>software wrong?
>
>Cheers,
>
>     Rob
>
>  
>




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