Hello All, What your are trying to do is called "directed broadcast", and the linux networking gods believe it is evil (i.e. a security hole) and should not be implemented by routers. See http://www.uwsg.iu.edu/hypermail/linux/net/9707.3/0030.html for example. Eran. Poltorak Serguei wrote: > Hello > > but packets are going To their subnetwork. then m.n.o.w sends packet to > a.b.c.255 gateways other than a.b.c.1 doesn't know that a.b.c.255 is a > broadcast. it's only a.b.c.1 (m.n.o.p) who discards the packet > > may be I should redraw my pic. > a.b.c.0/24,brd+ -----[ a.b.c.1, m.n.o.p ]-----m.n.o.w > <-------pings are going in that direction > > So, packets are going TO their subnet. > > Any idea??? > > thanks, > PoltoS/ > > On Wed, 10 Jul 2002, bert hubert wrote: > > ;On Wed, Jul 10, 2002 at 04:35:16AM +0400, Poltorak Serguei wrote: > ;> Hello. > ;> > ;> I would like to route broadcast messages. > ;> For now, if I ping a.b.c.255 from m.n.o.w the packet is passing through > ;> each router, except the last, a.b.c.1 (m.n.o.p, other "external" address) > ;> and only he replys to that packet, but not from a.b.c.1, he does it from > ;> m.n.o.p address (logic, it's the address of the output interface). > ; > ;Broadcast messages don't leave their subnet. If you want that, you don't > ;need a router but a bridge! > ; > ;Regards, > ; > ;bert > ; > ;-- > ;http://www.PowerDNS.com Versatile DNS Software & Services > ;http://www.tk the dot in .tk > ;http://lartc.org Linux Advanced Routing & Traffic Control HOWTO > ; > > _______________________________________________ > LARTC mailing list / LARTC@mailman.ds9a.nl > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ > -- Eran Mann Direct : 972-4-9936297 Senior Software Engineer Fax : 972-4-9890430 Optical Access Email : emann@opticalaccess.com _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
