On disabling the ICMP broadcast processing, all the packets containing ICMP sent to broadcast addresses, will be dropped when they reach the control plane.
Use these commands to enable or disable the IPv4 ICMP broadcast feature on the VRF router.
enable
configure terminal
router vrf WORD<1-16>
ip icmp echo-broadcast-request
no ip icmp echo-broadcast-request
Note
By default, the IPv4 ICMP broadcast feature is enabled.
show ip routing