CTATX-MIB :: sipmRouteOriginMask

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCTATX-MIBsipmRouteOriginMask

sipmRouteOriginMask

Module: CTATX-MIB

OID (symbolic): CTATX-MIB::sipmRouteOriginMask

OID (numeric): 1.3.6.1.4.1.97.3.20.1.1.1.2

Node type: OBJECT-TYPE

Type: IpAddress

Access: read-only

Description: The subnetwork mask of the origin.

What is sipmRouteOriginMask?

This read-only IpAddress is the subnetwork mask of the origin for an IP multicast route entry, used together with sipmRouteOrigin to define the source subnet's boundaries. An admin uses this to interpret the scope of sipmRouteOrigin correctly, since it defines exactly which range of source addresses the entry covers. Comparing sipmRouteOriginMask against the origin's actual subnet mask confirms the multicast route entry covers the intended source address range.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.97.3.20.1.1.1.2
snmpwalk -v2c -c public <target> CTATX-MIB::sipmRouteOriginMask

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.97.3.20.1.1.1.2.1
snmpget -v2c -c public <target> CTATX-MIB::sipmRouteOriginMask.1

Start monitoring Cabletron/Enterasys ATX switch module with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CTATX-MIB::sipmRouteOriginMask OID value, configure state conditions and alerts, and monitor any Cabletron/Enterasys ATX switch module from a single console.

OID Breakdown

Upper-level ancestors (7 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
1.3.6.1.4.1.97sigmaCT-ELS10-27-MIB
Numeric OIDNameModule
1.3.6.1.4.1.97.3ecs_1CTATX-MIB
1.3.6.1.4.1.97.3.20sipmCTATX-MIB
1.3.6.1.4.1.97.3.20.1sipmrouteCTATX-MIB
1.3.6.1.4.1.97.3.20.1.1sipmRouteTableCTATX-MIB
1.3.6.1.4.1.97.3.20.1.1.1sipmRouteEntryCTATX-MIB
1.3.6.1.4.1.97.3.20.1.1.1.2sipmRouteOriginMaskCTATX-MIB