Re: Accepting packets with frame dest.addr. ff:ff:ff:ff:ff:ff for routing

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On Thu, 22 Apr 2004, Martin Rusko wrote:

> Yes, I know about that setting, but it is turned off, by default (also 
> my case). And what more, that packet was not directed to router, but to 
> a host behind a router. And router simply refused to route a such packet 
> (according to tcpdump ;-) ).

It is a broadcast, defined by Ethernet as only being propagated within
that single Ethernet segment. Without this the network would be to
sensitive to broadcast loops.

If you want to do things differently then you may be able to use the frame
diverter to have the router grab the packets, or write a
netfilter/iptables module doing something similar.

But I honestly do not understan why you want to use broadcast MAC when
there is proxy-ARP, bridgeing and several other more suitable mechanisms
for connecting two Ethernet segments of the same IP segment.

Regards
Henrik

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