[ECOS] ZeroConf (Avahi, Bonjour) and the need for Multiple IPs

Andrew Lunn andrew@lunn.ch
Sat Jan 12 20:13:00 GMT 2008


On Sat, Jan 12, 2008 at 12:09:47PM -0800, Paul McHale wrote:
> 
> Hi,
> 
> We are considering implementing ZeroConf like functionality under eCos.  To
> do this, we must support participating in the ZeroConf predertimined subnet. 
> This alone is simple enough provided there is support for multicasting and
> we only wanted to participate in the ZeroConf subnet.
> 
> The problem we have is also participating in our customers non-ZeroConf
> subnet simultaneously.  For Linux and Windows this is not a problem as more
> than one IP can be supported by a single network device.  Is this possible
> in eCos?  I would appreciate any recomendations regarding multiple IPs and
> multicast support.

the IP stack in eCos is from FreeBSD from maybe 5 years ago. Take a
look at how you do multiple IP addresses on an interface on an old
FreeBSD system. Probably the same is true for eCos.

        Andrew

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