Multicast - PIM Snooping platform support


In a network where you have a [layer two switch](/osi-model) connected to [multicast](/multicast) [routers](/routing), all multicast traffic is flooded to all **multicast router ports**, even if there are no multicast receivers behind a router.

When you enable PIM snooping, the switch will learn which multicast router ports should receive traffic by looking at PIM hello, join, prune, and designated forward election messages.

PIM snooping should not be confused with [IGMP snooping](/igmp-snooping).


Links:

https://networklessons.com/cisco/ccie-routing-switching-written/multicast-pim-snooping

Multicast - PIM Snooping

MPLS Route Target

MPLS TE - Affinity attribute flag assignment best practices

MPLS TE - TE Tunnels

MPLS TE setup and hold priority

MPLS Troubleshooting

MPLS VPN extranet route leaking unique addressing

MPLS VRF names locally significant

MPLS addresses bound to peer LDP Ident output

MPLS advertising multiple customer subnets

MPLS entropy label

MPLS explicit NULL

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MPLS mandatory use of CEF

MPLS traffic engineering

MPLS-TE - why are IGPs necessary

MPLS

MPP vs ACLs

MQTT return codes

MST - Root port selection for switches outside MST topology

MST configuration revision number

MTU - Adjusting MTU to accommodate additional headers

MTU - Interface MTU configuration considerations

MTU - MSS and Jumbo Frames

MTU - Path MTU Discovery (PMTUD)

MTU - default interface MTU

MTU adjusting the MSS for TCP

MTU ip mtu allowed values

MTU on Etherchannel links

MTU on router subinterfaces

MTU size in Cisco IOS XR and IOS software

Management Plane Policing (MPP)

Media Access Control (MAC)

Memory - CAM and TCAM

MetroEthernet - VLAN design considerations

MetroEthernet - Virtual Private LAN service

MetroEthernet - Virtual Private Wire Service

MetroEthernet

Multi-Topology Routing

Multicast - ASM and SSM on same network

Multicast - Any Source Multicast (ASM)

Multicast - AutoRP

Multicast - Bootstrap Router (BSR)

Multicast - GLOP address space

Multicast - HSRP-aware PIM

Multicast - Local Network Control Block

Multicast - NX-OS and IOS config comparison

Multicast - PIM Bootstrap (BSR)

Multicast - PIM dense vs sparse mode

Multicast - PIM join message during register stop suppression timer

Multicast - PIM

Multicast - Routing Table Timers

Multicast - Source Specific Multicast (SSM)

Multicast - Sparse Mode register suppression timer

Multicast - generating a routing table entry

Multicast - ip igmp join-group vs ip igmp static-group

Multicast - reading the multicast routing table

Multicast - route-map on IOS-XE 16.9.4

Multicast - routing over the Internet

Multicast - troubleshooting multicast routing

Multicast Anycast RP

Multicast Cisco Group Management Protocol

Multicast IGMPv3 include and exclude modes

Multicast IPv4 address space

Multicast MAC addresses

Multicast Mapping Agent and RP placement

Multicast OIL IIF mroute table

Multicast PIM Assert and dense mode

Multicast PIM Auto RP and Mapping Agent single device

Multicast PIM Bidirectional mode traffic between sources and RPs

Multicast PIM Bootstrap (BSR) election

Multicast PIM Designated Router sparse mode

Multicast PIM dense mode

Multicast PIM neighbors are stateless

Multicast PIM send-rp-announce-scope

Multicast PIM sparse mode Rendezvous Point (RP)

Multicast PIM sparse mode

Multicast PIM sparse-dense mode

Multicast PIM with multiple RPs

Multicast PIM with multiple mapping-agents

Multicast PIM-assert forwarder election

Multicast SPT and RPT

Multicast bidirectional PIM advantages

Multicast boundary filtering - filter auto RP

Multicast enabling Bidir in BSR mode

Multicast ip pim autorp listener

Multicast ip pim rp-address override

Multicast load splitting across equal-cost paths

Multicast local subnetwork address range

Multicast mapping IP to MAC addresses

Multicast mapping agent IGMP membership report

Multicast ping on a Nexus device

Multicast using Anycast RP with Auto-RP and BSR

Multicast

NAT - Translation Table

NAT - Twice NAT

NAT - Understanding debug nat detailed output

NAT - Virtual Interface (NVI)

Multicast - PIM Snooping

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