I have used mask to /32 (255.255.255.255) to get control over the routing table. It's useful then you want to save IP-addresses. Regards, Daniel > -----Ursprungligt meddelande----- > Från: lartc-admin@xxxxxxxxxxxxxxx > [mailto:lartc-admin@xxxxxxxxxxxxxxx]För Martijn van Oosterhout > Skickat: Monday, November 06, 2000 12:40 PM > Till: bert hubert > Kopia: lartc@xxxxxxxxxxxxxxx > Ämne: Re: [LARTC] iproute2 and routing entries > > > bert hubert wrote: > > > > On Thu, Nov 02, 2000 at 06:35:48PM +0100, Michael Schoen wrote: > > > Hi guys, > > > > > > i am just playing around with iproute2 and some questions > came to my mind. > > > > > > I´m wondering why I get a route entry for the subnet of eth0s > primary addr > > > if I use the command "ip link set eth0 up". > > > > > > I´m personally not a friend of such behaviour, because I > often need some > > > strange routing set-ups. Is it possible to avoid this > behaviour, meaning I > > > only get routing entries if I really set them by myself? > > > > This behaviour has been hotly contested on the linux kernel mailinglist, > > perhaps the archives can tell you if there is a way around this. > > The reason is that by setting an interface with the IP address A > and netmask > B you are implying that there is a network attached with the > network address > A&~B with the given netmask and so a route should be added appropriately. > > The last I heard was that one of the networking guys gave this > explanantion > and challenged someone to give an example of where this was the wrong > thing to do. The thread died there IIRC. > > Personally I think it's a great feature because in at least 99.99% of > cases it's exactly what you want and I havn't found an example of the > other 0.01%. > > -- > Martijn van Oosterhout <kleptog@xxxxxxxxxxxxxxxxxxxxx> > http://cupid.suninternet.com/~kleptog/ > > _______________________________________________ > LARTC mailing list / LARTC@xxxxxxxxxxxxxxx > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/2.4Routing/