type: u32
help: Metric of redistributed routes
syntax:expression: $VAR(@) >= 1 && $VAR(@) <= 16; "Must be between 1-16"
val_help: u32:1-16; Default metric

update: vtysh -c "configure terminal" \
          -c "router ripng"                                       \
          -c "default-metric $VAR(@)"

delete: vtysh -c "configure terminal" \
          -c "router ripng"                                       \
          -c "no default-metric $VAR(@)"

