Date: Thu, 27 Feb 1997 10:23:44 +0100 (MET) From: Christoph Kukulies <kuku@gilberto.physik.RWTH-Aachen.DE> To: dwhite@resnet.uoregon.edu Cc: kmitch@weenix.guru.org, questions@freebsd.org Subject: Re: forwarding broadcast packets between interfaces Message-ID: <199702270923.KAA17835@gil.physik.rwth-aachen.de> In-Reply-To: <Pine.BSI.3.94.970226190857.8482F-100000@localhost> from Doug White at "Feb 26, 97 07:09:53 pm"
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> On Wed, 26 Feb 1997, Keith Mitchell wrote: > > > Is there any way to forward broadcast packets between interfaces?? > > > > I would like to be able to browse the windows machines on the other side > > of the gateway with a windows machine behind the gateway. The problem is > > the windows machine doesn't get the broadcasts so it doesn't know they are > > there. Otherwise, it can connect to them fine. It is using Netbios over > > TCPIP (NetBT). > > > > Also, it would be nice if I could echo the rwho packets to the local subnet > > as well. > > Perhaps; try setting gateway=YES in /etd/sysconfig then add the proper > routes. No, this won't work. broadcasts are UDP packets which are not routed by a gateway (normally). There may be a way to tell the kernel (with an option) to do UDP routing. I remember that Garrett (or David Greenman) once gave me that tip. > > > I would like to do this on a per-service basis though. ie I don't want to > > forward ALL of the broadcast messages just ones on certain ports. > > You'd have to set up IPFilter or ipfw and filter out the packets you don't > want. (?) > > Doug White | University of Oregon > Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant > http://gladstone.uoregon.edu/~dwhite | Computer Science Major > > -- Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de
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