Re: multicast at the data layer (layer 2) non-flooding ?
- From: "FLY135" <fly_135@xxxxxxxxxxx>
- Date: 30 Jan 2006 07:09:05 -0800
George Nychis wrote:
> Hi,
>
> I am looking into multicast in a private network at the data layer.
> Basically what I need is multicast which is not flooded within a LAN.
> Therefore, if there are 5 hosts connected to a router, I would like to
> do layer 2 multicast such that 4 hosts in the network for example can
> be in a multicast group without host 5 hearing any of the traffic. I
> believe multicast at the data layer does this.
>
> This is a general network question and not related to linux, but I
> could not find a general networking group on usenet that is active and
> seems to have intelligent readers!
George, the most economical solution to your problem is a DLink 3226
switch, which can be had for $300 - $400.
http://support.dlink.com/products/view.asp?productid=DES%2D3226
I use them and they are great. One caveat... If you arrange them in a
hierarchy (i.e. more than 1 switch in your net), then you can only see
multicast from the other switch if someone on that switch has joined
the group. Sounds weird but I haven't been able to configure them
around that flaw. You won't find a cheaper IGMP-V2 managed switch
anywhere. If you do, then let me know.
.
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- From: George Nychis
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