Usually a metric is used (at least in Windows) to set the priority of a network interface. 1 is the lowest (first priority).
I believe you can just ignore it.
https://lantisproject.com/downloads/gargoylebuilds for the latest releases
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In that case you'll need to edit the route table using the command line.
Typing "route" in ssh shows the routing table which lists metrics.
"route add" is what you are looking for but I don't know any of the remaining required syntax.
https://lantisproject.com/downloads/gargoylebuilds for the latest releases
Please be respectful when posting. I do this in my free time on a volunteer basis.