On Wed, 2004-07-07 at 08:05, Alpt wrote: > Hi all, > is it possible to create a route for a single src address? > For example these are some routes I'd like to use: > > 1) "All the pkts coming from hostA with dst=hostX are routed to eth1". > 2) "All the pkts coming from hostB with dst=hostT are routed to eth0" > /*Normal routes start here*/ > 3) "All the pkts (that are not pkts of type 1) and 2)) with dst=hostX > are routed to eth3" > 4) "All the pkts (that are not pkts of type 1) and 2)) with dst=hostU > are routed to eth2" > 5) And so on... > > > I mean _routing_, not natting. If I nat the pkts their destination will > change and I need to keep it intact. > > In the FIB routing table I can only specify the target address, but I've > noticed that the kernel's cache matches the source field. But when I try > to modify it I get: "Modifying `inet' routing cache not supported". > So, Is it possible to modify the krnl's cache from the user space with > some magic ioctl? > > Is there a solution for this problem? Can netfilter do something for > this? > > And, what's the best method to modify the FIB from user space? The ioctl > or the rtnetlink? > > Thank you (^_^) > I live waiting your wise reply I have not digested your question fully but my initial reaction is that it can be done with iproute2. If you are unfamiliar with it, look for a file named ip-cref.ps in your distribution. In RedHat, it is typically under /usr/share/doc/iproute-2.4.7/ - John -- John A. Sullivan III Chief Technology Officer Nexus Management +1 207-985-7880 john.sullivan@xxxxxxxxxxxxx --- If you are interested in helping to develop a GPL enterprise class VPN/Firewall/Security device management console, please visit http://iscs.sourceforge.net
