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- Using the value 0 sets the metric according to the defined default values. LANCOM Systems recommends not to use the value 0.
- The value 255 describes the state when there is no connection (interface down). Consequently, this must not be selected for a connection.
- There are Administrative distance default values for routes from other sources (e.g. the value 20 for BGP). LANCOM Systems recommends to only use values between 5 and 14 for static routing entries, so that routing problems are avoided.
The route with the lower Administrative distance is the one that is selected. If this connection fails, the operating system sets the route to the value 255 (interface down) and the routing entry with the lowest Administrative distance becomes active.
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