Protocol Independent Multicast

This page provides IP protocol information on the Protocol Independent Multicast (PIM) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

PIM is Protocol Independent Multicast, a family of multicast routing protocols that build distribution trees without depending on a specific unicast routing protocol. Linux has a native handler for this IP protocol.

IP Protocol Details

Name
Protocol Independent Multicast
Abbreviation
PIM
Status
Active
IANA Number
103
IANA Keyword
PIM

IP Protocol Status - Active

PIM was first specified in the mid-1990s and standardized as PIM-SM in RFC 7761 (2016) and remains widely and actively used for IP multicast routing.

IP Protocol Network Policy

PIM is used by routers running PIM for IP multicast routing, such as IPTV or financial data feeds; allow only on networks that have multicast routing explicitly deployed.