class-map match-all all-traffic
match any

policy map lim500m
 class all-traffic
 police 500000000 250000 250000 conform-action transmit exceed-action drop


interface Vlan380
 ip address b.l.a.h 255.255.255.240
 service-policy input lim500m
 service-policy output lim500m
 standby 1 ip b.l.a.h
 standby 1 priority 150
end