In article <[EMAIL PROTECTED]> you wrote:
> On tcpdump output I can see arriving frames with correct address
> (the unicast one I addes to multicast filter), 

If you see them in tcpdump without promic mode, then the card was receiving
them correctly and passing them to the network stack. 

> but for some reason system is not responding.

I guess the network
stack is recognizing them as packets for "otherhost".

> Can you provide Jeff or anybody else a name of NIC that is capable
> to support multiple unicast MAC addresses?

I dont think its a NIC problem if you see the packets in tcpdump-

> "ip l set dev eth0 promisc on"
> but it looks like even with having promisc mode enabled system is not 
> responding.

The promis is receiving the packets, but it is not processing the packets
which are not targeted at the own system with the normal IP stack. I am not
sure where you can add the additional MACs to make them beeing recognized.

Gruss
Bernd
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