On 2014/10/02 17:21, aluc...@phangos.fr wrote: > Or you can use a static route to force reaching the ip from an interface. > Would be more secure than bringing down a working interface just to check if > another one is working ...
I didn't suggest that ;) This would only be needed to spot the main link coming back when you're running on the backup link, and what you would want to do is add a more- specific static route to a certain address that you can trust to respond reliably (ISP1's nameserver perhaps). > >>default 10.150.228.105 UGS 5 168287 - 8 > >>fxp0 > >>default 192.168.243.1 UGS 0 0 - 16 > >>fxp1 I look after a site with very flaky connectivity, for them I have a bunch of pppoe interfaces with default routes pointing at them with various priorities. When pppoe(4) goes down the route is invalidated, things seamlessly move to the next-lower priority..
