type: u32
help: Bandwidth of interface (kilobits/sec)
syntax:expression: $VAR(@) >= 1 && $VAR(@) <= 10000000; "Must be between 1-10000000"
val_help: u32:1-10000000; Bandwidth in kilobits/sec (for calculating OSPF cost)

update: vtysh -c "configure terminal" -c "interface $IFNAME" -c "bandwidth $VAR(@)" 
delete: vtysh -c "configure terminal" -c "interface $IFNAME" -c "no bandwidth"