GRF-ATMP-MIB :: atmpHNForceFragmentation

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › GRF-ATMP-MIB › atmpHNForceFragmentation

atmpHNForceFragmentation

Module: GRF-ATMP-MIB

OID (symbolic): GRF-ATMP-MIB::atmpHNForceFragmentation

OID (numeric): 1.3.6.1.4.1.1080.1.1.8.6.2.1.4

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: Controls the behavior of the GRF home agent when it receives a packet from the home network that requires pre-fragmentation, but has the IP DF (Don't Fragment) option set. It is ignored when mtu_limit is zero. If the force_fragmentation parameter is not present in the home network record, it is set to no as the default.

What is atmpHNForceFragmentation?

Controls what the GRF home agent does when a packet from this home network needs pre-fragmentation but has the IP Don't-Fragment bit set: the default (no) rejects the packet with an ICMP Host-Unreachable/Must-Fragment message, while yes accepts it and non-standardly clears the DF bit instead. Only relevant when atmpHNMTULimit is non-zero.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.1080.1.1.8.6.2.1.4
snmpwalk -v2c -c public <target> GRF-ATMP-MIB::atmpHNForceFragmentation

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.1080.1.1.8.6.2.1.4.1
snmpget -v2c -c public <target> GRF-ATMP-MIB::atmpHNForceFragmentation.1

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OID Breakdown

Upper-level ancestors (10 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
1.3.6.1.4.1.1080netstarNETSTAR-MIB
1.3.6.1.4.1.1080.1netstar_productsNETSTAR-MIB
1.3.6.1.4.1.1080.1.1gigarouterNETSTAR-MIB
1.3.6.1.4.1.1080.1.1.8grAtmpNETSTAR-MIB
Numeric OIDNameModule
1.3.6.1.4.1.1080.1.1.8.6atmpTablesGRF-ATMP-MIB
1.3.6.1.4.1.1080.1.1.8.6.2atmpHNTableGRF-ATMP-MIB
1.3.6.1.4.1.1080.1.1.8.6.2.1atmpHNEntryGRF-ATMP-MIB
1.3.6.1.4.1.1080.1.1.8.6.2.1.4atmpHNForceFragmentationGRF-ATMP-MIB