X is the IP address of the default gateway. The interface is the interface that is connected to, or can reach, the default gateway. The dev option can be omitted, it is optional.
X and interface are the IP address and interface for the default gateway respectively. The X. X address does not have to be the default gateway IP address. In most cases, X. X will be an IP address in a different subnet, and interface will be the interface that is connected to, or can reach, that subnet.
Add as many static routes as required. The following is a sample route-eth0 file using the IP command arguments format. The default gateway is The two static routes are for the Static routes should only be configured for other subnets. The above example is not necessary, since packets going to the Below is an example of setting static routes to a different subnet, on a machine in a The example machine has an eth0 interface in the X " is a garbage. X is the gateway, or a different IP address.
These errors can also occur if you have another route to another network using the default gateway. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Asked 10 years, 2 months ago. Active 4 years, 6 months ago. Viewed 69k times. On the Linux box there are 2 interfaces: Bond0: inet addr Improve this question.
Please go read How does Subnetting Work. Keep reading until you understand why you got the "File Exists" error. I'm not trying to be mean, but you're apparently lacking a bit in understanding IP Subnets.
Viewed 85k times. This is my interfaces file: auto eth0 iface eth0 inet static address Update1: iface eth0 inet static address Improve this question. Community Bot 1. As long as you don't care how your traffic goes out. Your interfaces file looks correct.
Just a side note, NetworkManager recently added more extensive support for route metrics. It handles them automatically or you can set them manually. It might be a more convenient way or you might want to file a feature request for your tool. Also you might want to add details on why you want to have two default routes at all.
I can only guess that two routes with different metrics will not work as you expect. The interfaces file allows setting a metric. There should be no need to add routes manually using up and post-up — Goswin von Brederlow.
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