On Monday 04 May 2009 11:38:33 Ramkumar R wrote:
- Switching requires that you run a daemon that keeps pinging the
ISP's gateway to check if the link is up. When the link goes down, it should automatically take the current ethernet interface down and bring up the other interface. I'm not sure it's worth the trouble.
my experience with bsnl/airtel is that even if you can ping the gateway, the line may still be down further up the chain. You need to be able to ping something like google.com through the relevant ethernet card.