MIN_UDP_PACKET_SIZE

mumble_server_runtime_gateway::limits

Constant MIN_UDP_PACKET_SIZE 

Source 
pub const MIN_UDP_PACKET_SIZE: usize = 2;
Expand description

Smallest datagram that can carry anything meaningful (a type byte plus at least one payload byte). REF: references/mumble/src/murmur/Server.cpp : the UDPTunnel branch drops len < 2.