Alexey Orishko wrote:
Hi guys,

I have a motherboard with 2 eth ports, which using dhcp setup and
connected to the same network segment. If eth0 is disconnected, ip
connectivity is lost even eth1 stay connected. Same thing happening if
eth0/1 setup is static and both ports connected to the same network
segment.

I've tried ubuntu on the same hw with the same setup and it is running
without a problem.

When eth0 connectivity is lost, ubuntu changes default route/nw
interface from eth0 to eth1, thus keeping unit connected. This is not
happening in blfs setup...

Is there something in blfs scripts to support auto-switching default
route interface when eth interface goes down?

No, we don't have that. I'm not sure how to detect loss of connectivity without a daemon monitoring the connections. Seems like an unusual corner case to me.

I suppose that an alternate non-default route might be set up with a different metric in the routing tables, but I've never tried it.

Can you explain why/how eth0 connectivity is lost?

  -- Bruce


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