Thanks for your answer. I am so stupid, I forgot setting "ip_forward" to 1. This problem is solved. But when I execute the following command: ip route get from 1.2.3.4 to 192.168.1.1 it still failed. Regards. On Fri, 28 Jan 2005 10:43:02 +0200 (EET), Catalin(ux aka Dino) BOIE <util@xxxxxxxxxxxxxxx> wrote: > > Hello, > Hello! > > > I want to use "ip route get" to get the next hop ip, but I get the > > following error: > > RTNETLINK answers: Invalid argument > > > > my command line is: > > ip route get from 1.2.3.4 to 192.168.1.1 iif eth0 > > > > If I use: ip route get 192.168.1.1, it succeeded. > > > > I don't know why it failed when I add "from" and "iif" option. > > > > Please give me a hand. Thanks a lot. > > What kernel? What iproute version? > > Here, kernel 2.6.10 and iproute2-ss040831 works ok: > root@simple1-M2:~# ip route get from 1.2.3.4 to 192.168.1.1 iif eth0 > 192.168.1.1 from 1.2.3.4 via 10.10.10.1 dev eth99 src 10.10.10.102 > cache mtu 1500 advmss 1460 metric10 64 iif eth0 > > > > > Regards. > > > > weiminghu > > 2005/1/28 > > - > > : send the line "unsubscribe linux-net" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > --- > Catalin(ux aka Dino) BOIE > catab at deuroconsult.ro > http://kernel.umbrella.ro/ > - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
