RIP metric is a value for distance for the network. Usually ripd increment the metric when the network information is received. Redistributed routes' metric is set to 1.
This command modifies the default metric value for redistributed routes. The default value is 1. This command does not affect connected route even if it is redistributed by redistribute connected. To modify connected route's metric value, please use redistribute connected metric or route-map. offset-list also affects connected routes.