NETSCREEN-OSPF-MIB :: nsOspfMulticastExtensions

MIB Reference — IPNetwork Monitor · Updated October 02, 2026

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nsOspfMulticastExtensions

Module: NETSCREEN-OSPF-MIB

OID (symbolic): NETSCREEN-OSPF-MIB::nsOspfMulticastExtensions

OID (numeric): 1.3.6.1.4.1.3224.18.2.1.1.12

Node type: OBJECT-TYPE

Type: Integer32

Access: read-only

Description: A Bit Mask indicating whether the router is forwarding IP multicast (Class D) datagrams based on the algorithms defined in the Multi- cast Extensions to OSPF.

Bit 0, if set, indicates that the router can forward IP multicast datagrams in the router's directly attached areas (called intra-area mul- ticast routing).

Bit 1, if set, indicates that the router can forward IP multicast datagrams between OSPF areas (called inter-area multicast routing).

Bit 2, if set, indicates that the router can forward IP multicast datagrams between Auto- nomous Systems (called inter-AS multicast rout- ing).

Only certain combinations of bit settings are allowed, namely: 0 (no multicast forwarding is

enabled), 1 (intra-area multicasting only), 3 (intra-area and inter-area multicasting), 5 (intra-area and inter-AS multicasting) and 7 (multicasting everywhere). By default, no mul- ticast forwarding is enabled.

What is nsOspfMulticastExtensions?

A bitmask describing which multicast-OSPF capabilities are enabled: bit 0 for intra-area, bit 1 for inter-area, bit 2 for inter-AS multicast forwarding; a value of 0 (the default) means multicast forwarding is off entirely.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.3224.18.2.1.1.12
snmpwalk -v2c -c public <target> NETSCREEN-OSPF-MIB::nsOspfMulticastExtensions

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.3224.18.2.1.1.12.1
snmpget -v2c -c public <target> NETSCREEN-OSPF-MIB::nsOspfMulticastExtensions.1

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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
1.3.6.1.4.1.3224netscreenNETSCREEN-SMI
1.3.6.1.4.1.3224.18netscreenVRNETSCREEN-SMI
Numeric OIDNameModule
1.3.6.1.4.1.3224.18.2nsOspfNETSCREEN-OSPF-MIB
1.3.6.1.4.1.3224.18.2.1nsOspfGeneralTableNETSCREEN-OSPF-MIB
1.3.6.1.4.1.3224.18.2.1.1nsOspfGeneralEntryNETSCREEN-OSPF-MIB
1.3.6.1.4.1.3224.18.2.1.1.12nsOspfMulticastExtensionsNETSCREEN-OSPF-MIB