Monitoring Multicast Protocols Enabled on the Router

Purpose

Display information about the multicast protocols enabled on the router.

Action

To display information about the multicast protocols enabled on the router:

host1#show ip multicast protocols
Multicast protocols:
Protocol Pim
    Type: Sparse 
    Interfaces: 1 registered, 1 owned
    Registered interfaces:
        ATM2/1.103 (103.0.0.2/24) owner Pim
     
Protocol Igmp
    Type: Local 
    Interfaces: 1000 registered, 1000 owned
    Registered interfaces:
        ATM2/0.131 (13.0.0.1/24) local Igmp owner Igmp
            Admission-bandwidth 2000000/10000000 bps
            QoS Adjust 2000000 bps 
        Active <S,G> count   15
        Blocked <S,G> count  10
        ATM2/0.132 (13.0.0.2/24) local Igmp owner Igmp
            Admission-bandwidth 0/10000000 bps
            QoS Adjust 0 bps
        Active <S,G> count   25
        Blocked <S,G> count  10
        ATM2/0.133 (13.0.0.3/24) local Igmp owner Igmp
            Admission-bandwidth 8000000/10000000 bps
            QoS Adjust 0 bps
...
Count: 2  protocols

Meaning

Table 12 lists the show ip multicast protocols command output fields.

Table 12: show ip multicast protocols Output Fields

Field Name

Field Description

Multicast Protocols

Multicast protocols on this router

Protocol

Name of the multicast protocol

Type

Mode of the multicast protocol:

  • For DVMRP—Dense
  • For PIM—Sparse, Dense, or Sparse-Dense
  • For IGMP—Local

Interfaces

  • registered—Number of interfaces on which the protocol is configured
  • owned—Number of interfaces that a protocol owns. If you configure only IGMP on an interface, IGMP owns the interface. However, if you configure IGMP and either PIM or DVMRP on the same interface, PIM or DVMRP owns the interface.

Registered interfaces

Information about interfaces on which the protocol is configured:

  • Types and identifiers of interfaces. For details about interface types and specifiers, see Interface Types and Specifiers in the JunosE Command Reference Guide.
  • Protocols configured on the interface and the protocol that owns the interface. If you configure only IGMP on an interface, IGMP owns the interface. However, if you configure IGMP and PIM or DVMRP on the same interface, PIM or DVMRP owns the interface.
  • Admission-bandwidth—Actual admission bandwidth or configured admission bandwidth (in bps)
  • QoS Adjust—Bandwidth of QoS adjustment, in bps
  • Count—Number of multicast protocols on the virtual router
  • Active <S,G> count—Number of active S,G data streams on the interface
  • Blocked <S,G> count—Number of blocked S,G data streams on the interface

Related Documentation