ICMP_TTL: Default value for Time-To-Live used by ICMP packets.
Definition at line 864 of file opt.h.
LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only)
Definition at line 871 of file opt.h.
LWIP_ICMP==1: Enable ICMP module inside the IP stack. Be careful, disable that make your product non-compliant to RFC1122
Definition at line 857 of file opt.h.
LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only)
Definition at line 878 of file opt.h.