HM2-PLATFORM-MULTICAST-MIB :: hm2AgentMulticastPIMSMGroupMappingGrpPrefixLen

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › HM2-PLATFORM-MULTICAST-MIB › hm2AgentMulticastPIMSMGroupMappingGrpPrefixLen

hm2AgentMulticastPIMSMGroupMappingGrpPrefixLen

Module: HM2-PLATFORM-MULTICAST-MIB

OID (symbolic): HM2-PLATFORM-MULTICAST-MIB::hm2AgentMulticastPIMSMGroupMappingGrpPrefixLen

OID (numeric): 1.3.6.1.4.1.248.12.4.3.249.1.6

Node type: OBJECT-TYPE

Type: InetAddressPrefixLength

Access: read-only

Description: The multicast group prefix length that, when combined with hm2AgentMulticastPIMSMGroupMappingGrpAddr, gives the group prefix for this mapping. If hm2AgentMulticastPIMSMGroupMappingGrpAddrType is 'ipv4' or 'ipv4z', this object must be in the range 4..32. If hm2AgentMulticastPIMSMGroupMappingGrpAddrType is 'ipv6' or 'ipv6z', this object must be in the range 8..128.

What is hm2AgentMulticastPIMSMGroupMappingGrpPrefixLen?

The prefix length of the multicast group address in this mapping (4-32 bits for IPv4, 8-128 for IPv6), which combined with the group address defines the full group prefix this RP mapping covers.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.248.12.4.3.249.1.6
snmpwalk -v2c -c public <target> HM2-PLATFORM-MULTICAST-MIB::hm2AgentMulticastPIMSMGroupMappingGrpPrefixLen

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.248.12.4.3.249.1.6.1
snmpget -v2c -c public <target> HM2-PLATFORM-MULTICAST-MIB::hm2AgentMulticastPIMSMGroupMappingGrpPrefixLen.1

Start monitoring Hirschmann HiOS Platform2 industrial switch (Layer 3 IGMP/PIM-SM multicast) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the HM2-PLATFORM-MULTICAST-MIB::hm2AgentMulticastPIMSMGroupMappingGrpPrefixLen OID value, configure state conditions and alerts, and monitor any Hirschmann HiOS Platform2 industrial switch (Layer 3 IGMP/PIM-SM multicast) from a single console.

OID Breakdown

Upper-level ancestors (8 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.248hirschmannHIRSCHMANN-GENERIC-ERROR-MIB
1.3.6.1.4.1.248.12hm2PlatformMibsHM2-TC-MIB
Numeric OIDNameModule
1.3.6.1.4.1.248.12.4hm2PlatformMulticastHM2-PLATFORM-MULTICAST-MIB
1.3.6.1.4.1.248.12.4.3hm2AgentMulticastPIMSMConfigGroupHM2-PLATFORM-MULTICAST-MIB
1.3.6.1.4.1.248.12.4.3.249hm2AgentMulticastPIMSMGroupMappingTableHM2-PLATFORM-MULTICAST-MIB
1.3.6.1.4.1.248.12.4.3.249.1hm2AgentMulticastPIMSMGroupMappingEntryHM2-PLATFORM-MULTICAST-MIB
1.3.6.1.4.1.248.12.4.3.249.1.6hm2AgentMulticastPIMSMGroupMappingGrpPrefixLenHM2-PLATFORM-MULTICAST-MIB