-----Original Message----- From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Matt Iavarone Sent: Wednesday, May 04, 2011 7:47 PM To: General Red Hat Linux discussion list Subject: Re: Setting up second nic for local lan backup On Wed, May 4, 2011 at 8:40 PM, Steven Buehler <steve@xxxxxxxxxxxx> wrote: > I have a Redhat 5.2 box that I am trying to setup in internal lan on > for backing up to a local machine since my Provider charges for any > bandwith going over the external IP's even though it comes right back > to another server of my network. Below is the setup for the 2 nics > that I tried, but when I try to start the second nic with "ifup eth1", > it looses the route for the first nic so my external IP will no longer > work unless I restart it which then takes the route out of the second > nic. What am I missing? I hope someone can help me with this. BTW, > the second nic is connected to an internal router. I am assuming that > I can't just use a switch instead any easier. > > # cat ifcfg-eth0 > DEVICE=eth0 > BOOTPROTO=none > HWADDR=00:1c:23:d5:be:02 > IPADDR=101.110.67.100 > NETMASK=255.255.255.0 > GATEWAY=101.110.67.1 > ONBOOT=yes > TYPE=Ethernet > PEERDNS=no > > # cat ifcfg-eth1 > BOOTPROTO=static > DEVICE=eth1 > ONBOOT=no > IPADDR=192.168.2.151 > GATEWAY=192.168.2.1 > NETMASK=255.255.255.0 > HWADDR=00:1c:23:d5:be:04 > PEERDNS=no > TYPE=Ethernet > You need to remove the gateway from the second NIC and use iproute2 to add a second default route for eth1. -Matt Thank you Matt, Question, the router we were going to use has problems. My boss wants to buy a hub to use for this LAN we will be using on the second nics for backups. I don't like hubs. Shouldn't we have another router or switch instead? Thanks Steve -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list