CABH-CDP-MIB :: cabhCdpServerInterfaceMTU

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCABH-CDP-MIBcabhCdpServerInterfaceMTU

cabhCdpServerInterfaceMTU

Module: CABH-CDP-MIB

OID (symbolic): CABH-CDP-MIB::cabhCdpServerInterfaceMTU

OID (numeric): 1.3.6.1.4.1.4491.2.4.4.1.3.18

Node type: OBJECT-TYPE

Type: Integer32

Access: read-write

Description: The PS MUST provide the value of this MIB object in the Option 26 (Interface MTU Option) of the DHCP OFFER and ACK messages sent to the LAN IP Device. If the value of this object is 0, the PS must not include this option in its DHCP OFFER or DHCP ACK messages to LAN IP Devices.

What is cabhCdpServerInterfaceMTU?

Specifies the Maximum Transmission Unit (MTU) size to be conveyed to LAN IP devices via DHCP Option 26 (Interface MTU); a value of 0 instructs the PS to omit this option from its DHCP responses.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4491.2.4.4.1.3.18
snmpwalk -v2c -c public <target> CABH-CDP-MIB::cabhCdpServerInterfaceMTU

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4491.2.4.4.1.3.18.1
snmpget -v2c -c public <target> CABH-CDP-MIB::cabhCdpServerInterfaceMTU.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.4491.2.4.4.1.3.18.1 i <value>

Start monitoring CableHome-compliant residential gateways (cable modem/router) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CABH-CDP-MIB::cabhCdpServerInterfaceMTU OID value, configure state conditions and alerts, and monitor any CableHome-compliant residential gateways (cable modem/router) from a single console.

OID Breakdown

Upper-level ancestors (9 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
1.3.6.1.4.1.4491cableLabsCLAB-DEF-MIB
1.3.6.1.4.1.4491.2clabProjectCLAB-DEF-MIB
1.3.6.1.4.1.4491.2.4clabProjCableHomeCLAB-DEF-MIB
Numeric OIDNameModule
1.3.6.1.4.1.4491.2.4.4cabhCdpMibCABH-CDP-MIB
1.3.6.1.4.1.4491.2.4.4.1cabhCdpObjectsCABH-CDP-MIB
1.3.6.1.4.1.4491.2.4.4.1.3cabhCdpServerCABH-CDP-MIB
1.3.6.1.4.1.4491.2.4.4.1.3.18cabhCdpServerInterfaceMTUCABH-CDP-MIB