Dear All, I am reposting the query as my problem is still not solved. I tried a lot but still not succeeded.
I am trying to enable "ip forwarding" and Masquerading on a redhat 7.2(Custom install will all packages). My IP Forwarding is not working. Following are the network details: -------------------------------------------------------------------------------- WAN Router address 192.168.100.1 NAT is enabled on the router so this IP works as a gateway for accessing the Internet -------------------------------------------------------------------------------- Linux machine as gateway to the internal network eth0 192.168.100.55 (External network access via WAN router with IP 192.168.100.1) eth1 192.168.200.2. (Internal Network) default gateway 192.168.100.1 contents of /etc/sysctl.conf # Disables packet forwarding net.ipv4.ip_forward=1 # Enables source route verification net.ipv4.conf.default.rp_filter = 1 # Disables the magic-sysrq key kernel.sysrq = 0 /proc/sys/net/ipv4/ip_forward has an entry of "1" Route -n gives the following output Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.200.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 192.168.100.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 0.0.0.0 192.168.100.1 0.0.0.0 UG 0 0 0 eth0 I am successfully able to ping any other machine on both the networks including the router.I am able to browse the Internet from this linux box. -------------------------------------------------------------------------------- Test machine with single network card eth0 192.168.200.90 default gateway 192.168.200.2 Successfully able to ping 192.168.100.55, 192.168.200.2 and any other card on 192.168.200.x network. Not able to ping 192.168.100.1 or any other machine on the 100.x network and the Internet. Get a reply "Host Not Reachable". -------------------------------------------------------------------------------- Please let me know where am I going wrong or if something I am missing. Eagerly awaiting your reply, With Best Regards, Arun Hubballi _______________________________________________ linux-india-help mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/linux-india-help
