Hi, Craig: I tried setting the Gateway to eth0 with no positive result. Eventhough both are on the same machine the subnet is different. As far as acting as a router, the /proc/sys/net/ipv4/ip_forward is equal 1 These are the outputs you instructed: Thanks. Jesus... ----- route -n [root@custom1 root]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 10.100.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 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 10.100.1.245 0.0.0.0 UG 0 0 0 eth0 [root@custom1 root]# ----- [root@custom1 root]# ifconfig -a eth0 Link encap:Ethernet HWaddr 00:A0:CC:D9:7D:E0 inet addr:10.100.1.102 Bcast:10.100.255.255 Mask:255.255.0.0 inet6 addr: fe80::2a0:ccff:fed9:7de0/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:234 errors:1 dropped:0 overruns:0 frame:0 TX packets:321 errors:523 dropped:0 overruns:0 carrier:1042 collisions:0 txqueuelen:1000 RX bytes:23727 (23.1 Kb) TX bytes:36623 (35.7 Kb) Interrupt:9 Base address:0x1400 eth1 Link encap:Ethernet HWaddr 00:50:04:D8:79:A3 inet addr:192.168.1.204 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::250:4ff:fed8:79a3/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4712 errors:0 dropped:0 overruns:1 frame:0 TX packets:3718 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:648107 (632.9 Kb) TX bytes:739930 (722.5 Kb) Interrupt:11 Base address:0x1800 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:5402 errors:0 dropped:0 overruns:0 frame:0 TX packets:5402 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:2746643 (2.6 Mb) TX bytes:2746643 (2.6 Mb) sit0 Link encap:IPv6-in-IPv4 NOARP MTU:1480 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) ------ cat /etc/sysconfig/network-scripts/ifcfg-eth0 [# Please read /usr/share/doc/initscripts-*/sysconfig.txt # for the documentation of these parameters. IPV6INIT=no ONBOOT=yes USERCTL=no PEERDNS=yes GATEWAY=10.100.1.245 TYPE=Ethernet DEVICE=eth0 HWADDR=00:a0:cc:d9:7d:e0 BOOTPROTO=none NETMASK=255.255.0.0 IPADDR=10.100.1.102 ---------- cat /etc/sysconfig/network-scripts/ifcfg-eth1 # Please read /usr/share/doc/initscripts-*/sysconfig.txt # for the documentation of these parameters. IPV6INIT=no ONBOOT=yes USERCTL=no PEERDNS=yes GATEWAY=10.100.1.102 TYPE=Ethernet DEVICE=eth1 HWADDR=00:50:04:d8:79:a3 BOOTPROTO=none NETMASK=255.255.255.0 IPADDR=192.168.1.204 ----- cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=custom1 -----Original Message----- From: Craig White [mailto:craigwhite@azapple.com] Sent: Friday, April 15, 2005 10:55 To: plug-discuss@lists.plug.phoenix.az.us Subject: Re: Eth1 and eth0 On Fri, 2005-04-15 at 10:34 -0700, Jesus E Zepeda wrote: > Hello, list: > > I am using Fedora Core 2 in my computer, which is setup with two NICs: > Eth1 NIC is connected to the LAN; and eth0 connected to the Internet. > Also, eth1 NIC has as a gateway an interface of a router. > > Both eth0 and eth1 are active. I can ping from one another interface > and to any host on either side. The problem I have is that I cannot > reach the other side of the router. > > What can I do to be able to have my computer talk to both sides and > across the router, when I know that the router will reply on the other > side if I have eth0 (Internet) removed? ---- seems to me that the gateway device should be eth0. it would be easier if you gave us the output of... route -n ifconfig -a cat /etc/sysconfig/network-scripts/ifcfg-eth0 cat /etc/sysconfig/network-scripts/ifcfg-eth1 cat /etc/sysconfig/network also, to act as a router, your probably need to do some things like... echo "1" > /proc/sys/net/ipv4/ip_forward suggest that you look at... http://www.ecst.csuchico.edu/~dranch/LINUX/ipmasq/c-html/stronger- firewall-examples.html#RC.FIREWALL-2.4.X-STRONGER Craig --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change you mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change you mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss