Queue active only if on 2nd ISP

Hi,

I have two ISPs (BigCable 1000/40 and BigTelco DSL 40/2). BigTelco is my backup when BigCable is down.

When BigCable is down my security cameras fill the 2Mb/s pipe of BigTelco DSL. I’d like to limit that to 1Mb/s. Creating a queue for this is simple, however I only want the queue active when BigCable is down. It’s the 2nd part I’m stumped with.

Thanks.

You can set your backup WAN interface as a destination in your queues.