On Monday 14 March 2005 05:32 pm, Gu, John A. (US SSA) wrote: > I have a problem by setting the Fedora 2 as a router on a desktop with 2 > interfaces. The problem is it does not forward or route the packet to > the other interface (ping is failed). I have turned on the routed. The > routing table has one default on eth0. And I tried to add another > default on eth1. But it does not work either. > > Help is needed. > > John First verify that the firewall and system (route, sysctl) are set for forwarding. *************** Firewall should have a rule somewhat like this; iptables FORWARD -i eth1 -o eth0 ACCEPT *************** [root@jMOD init.d]# cat /proc/sys/net/ipv4/ip_forward should be 1 if it is 0 [root@jMOD echo 1 > /proc/sys/net/ipv4/ip_forward and see below. ****** In sysctl.conf # Kernel sysctl configuration file for Red Hat Linux # # For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and # sysctl.conf(5) for more details. # Controls IP packet forwarding net.ipv4.ip_forward = 1 # Controls source route verification net.ipv4.conf.default.rp_filter = 1 # Controls the System Request debugging functionality of the kernel kernel.sysrq = 0 # Controls whether core dumps will append the PID to the core filename. # Useful for debugging multi-threaded applications. kernel.core_uses_pid = 1 ************** [root@jMOD init.d]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.14.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 192.168.12.0 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 eth1 0.0.0.0 192.168.12.1 0.0.0.0 UG 0 0 0 eth0 ************** Change the routing with Network program under system settings. -- John H Ludwig
