With Internet Group Management Protocol (IGMP) snooping, Layer 2 devices also can make intelligent multicast forwarding decisions by examining the contents of each frameâs Layer 3 IP header. Consider the example of a heterogeneous Layer 2 and Layer 3 network that does not use IGMP snooping.ith Internet Group Management Protocol (IGMP) snooping, Layer 2 devices also can make intelligent multicast forwarding decisions by examining the contents of each frameâs Layer 3 IP header. Consider the example of a heterogeneous Layer 2 and Layer 3 network that does not use IGMP snooping.
â¢ Volatile substances have a tendency to vaporize whereas nonvolatile substances do not have a tendency to vaporize. â¢ Volatile substances have a high vapor pressure at normal room temperature and pressure. Nonvolatile substances do not have a high vapor pressure in these conditions.
Definition of nonconductor in US English - a substance that does not conduct heat or electricity. Definition of nonconductor in US English - a substance that does not conduct heat or electricity. dictionary