HMDHCPS-SNMP-MIB :: hmDHCPServerCounterDhcpv4DroppedUnknownClient

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsHMDHCPS-SNMP-MIBhmDHCPServerCounterDhcpv4DroppedUnknownClient

hmDHCPServerCounterDhcpv4DroppedUnknownClient

Module: HMDHCPS-SNMP-MIB

OID (symbolic): HMDHCPS-SNMP-MIB::hmDHCPServerCounterDhcpv4DroppedUnknownClient

OID (numeric): 1.3.6.1.4.1.248.14.16.1.4.2.1.30

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: The number of DHCP packets dropped due to the server not recognizing or not providing service to the client-id and/or hardware address received in the incoming packet.

What is hmDHCPServerCounterDhcpv4DroppedUnknownClient?

This read-only counter tallies DHCP packets on this interface dropped because the server doesn't recognize or isn't configured to serve the client-id or hardware address in the request, a sign of unauthorized devices requesting service.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.248.14.16.1.4.2.1.30
snmpwalk -v2c -c public <target> HMDHCPS-SNMP-MIB::hmDHCPServerCounterDhcpv4DroppedUnknownClient

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.248.14.16.1.4.2.1.30.1
snmpget -v2c -c public <target> HMDHCPS-SNMP-MIB::hmDHCPServerCounterDhcpv4DroppedUnknownClient.1

Start monitoring Hirschmann industrial switch/router (built-in DHCP server) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the HMDHCPS-SNMP-MIB::hmDHCPServerCounterDhcpv4DroppedUnknownClient OID value, configure state conditions and alerts, and monitor any Hirschmann industrial switch/router (built-in DHCP server) 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
1.3.6.1.4.1.248hirschmannHM2-TC-MIB
1.3.6.1.4.1.248.14hmConfigurationHMPRIV-MGMT-SNMP-MIB
Numeric OIDNameModule
1.3.6.1.4.1.248.14.16hmDhcpsHMDHCPS-SNMP-MIB
1.3.6.1.4.1.248.14.16.1hmDHCPServerGroupHMDHCPS-SNMP-MIB
1.3.6.1.4.1.248.14.16.1.4hmDHCPServerCounterGroupHMDHCPS-SNMP-MIB
1.3.6.1.4.1.248.14.16.1.4.2hmDHCPServerCounterIfTableHMDHCPS-SNMP-MIB
1.3.6.1.4.1.248.14.16.1.4.2.1hmDHCPServerCounterIfEntryHMDHCPS-SNMP-MIB
1.3.6.1.4.1.248.14.16.1.4.2.1.30hmDHCPServerCounterDhcpv4DroppedUnknownClientHMDHCPS-SNMP-MIB