i tryed this : [root at lin2 ~]# route add default gw 217.20.117.1 dev eth0 the answer siocaddrt : network is unreachable 2010/3/27 Robert Heller <heller at deepsoft.com> > At Sat, 27 Mar 2010 21:07:49 +0200 CentOS mailing list <centos at centos.org> > wrote: > > > > > > > > > This is fedora's route table : > > root at lin [~]# netstat -rn > > Kernel IP routing table > > Destination Gateway Genmask Flags MSS Window irtt > > Iface > > 217.20.117.1 0.0.0.0 255.255.255.255 UH 0 0 0 > > eth0 > > 78.159.97.0 0.0.0.0 255.255.255.0 U 0 0 0 > > eth0 > > 0.0.0.0 217.20.117.1 0.0.0.0 UG 0 0 0 > > eth0 > > > > and this is cent os which is not working : > > [root at lin2 ~]# netstat -rn > > Kernel IP routing table > > Destination Gateway Genmask Flags MSS Window irtt > > Iface > > 188.72.255.0 0.0.0.0 255.255.255.0 U 0 0 0 > > eth0 > > 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 > > eth0 > > [root at lin2 ~]# ping 217.20.117.1 > > connect: Network is unreachable > > Manual setup: > > [root at lin2 ~]# route add default gw 217.20.117.1 dev eth0 > [root at lin2 ~]# route add host 217.20.117.1 netmask 255.255.255.255 dev > eth0 > > Automagical setup: > > [root at lin2 ~]# cat >>/etc/sysconfig/network-scripts/route-eth0 > ADDRESS0=217.20.117.1 > NETMASK0=255.255.255.255 > EOF > [root at lin2 ~]# cat >>/etc/sysconfig/network <<EOF > GATEWAY=217.20.117.1 > EOF > > The *assumes* that the network (switch or router box) that eth0 is > connected to also has 217.20.117.1 connected to it. Typically a router > 'box' contains both the router and a ethernet switch: a 'pure' router > would only have two ethernet jacks, one for each of the two networks the > router routes between. Since there is no great demand to put a single > machine on a network and since the switch hardware is dirt cheap and > since no one does coax Ethernet anymore, modern router boxes include a > switch in the 'inside' network. > > > > > > > > > > > > 2010/3/27 Robert Heller <heller at deepsoft.com> > > > > > At Sat, 27 Mar 2010 20:54:04 +0200 CentOS mailing list < > centos at centos.org> > > > wrote: > > > > > > > > > > > > > > > > > > > check fedora's txt i've send it is working perfect > > > > my gateway : 217.20.117.1 > > > > my ip 188.72.255.289 > > > > subnet 255.255.255.0 > > > > fedora 12 is working when i set ip directly but any other linux dist > is > > > not > > > > :( please i need help :( > > > > > > Can you log into your fedora box and type this command at a shell > prompt: > > > > > > netstat -r > > > > > > Copy and paste the results into an E-Mail message to this list. > > > > > > > > > > > > > > > > > > > 2010/3/27 John R Pierce <pierce at hogranch.com> > > > > > > > > > cahit Eyigünlü wrote: > > > > > > > > > > > > Firstly my gateway 217.20.xxx.1 > > > > > > > > > > > > My ip adress 188.72.xxx.189 > > > > > > > > > > > > > > > > there's something you're not telling us here, as the gateway has to > be > > > > > reachable via a network, and 217.20.xxx.1 is not part of either > network > > > > > shown in your route or ifconfig output. > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > CentOS mailing list > > > > > CentOS at centos.org > > > > > http://lists.centos.org/mailman/listinfo/centos > > > > > > > > > MIME-Version: 1.0 > > > > > > > > _______________________________________________ > > > > CentOS mailing list > > > > CentOS at centos.org > > > > http://lists.centos.org/mailman/listinfo/centos > > > > > > > > > > > > > > -- > > > Robert Heller -- 978-544-6933 > > > Deepwoods Software -- Download the Model Railroad System > > > http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows > > > heller at deepsoft.com -- > http://www.deepsoft.com/ModelRailroadSystem/ > > > > > > > > > _______________________________________________ > > > CentOS mailing list > > > CentOS at centos.org > > > http://lists.centos.org/mailman/listinfo/centos > > > > > > > > MIME-Version: 1.0 > > > > _______________________________________________ > > CentOS mailing list > > CentOS at centos.org > > http://lists.centos.org/mailman/listinfo/centos > > > > > > -- > Robert Heller -- 978-544-6933 > Deepwoods Software -- Download the Model Railroad System > http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows > heller at deepsoft.com -- http://www.deepsoft.com/ModelRailroadSystem/ > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100327/2c7d3368/attachment-0004.html>