HM2-DHCPS-MIB :: hm2DHCPServerCounterDhcpv4DroppedUnknownClient

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsHM2-DHCPS-MIBhm2DHCPServerCounterDhcpv4DroppedUnknownClient

hm2DHCPServerCounterDhcpv4DroppedUnknownClient

Module: HM2-DHCPS-MIB

OID (symbolic): HM2-DHCPS-MIB::hm2DHCPServerCounterDhcpv4DroppedUnknownClient

OID (numeric): 1.3.6.1.4.1.248.11.91.1.1.4.2.1.30

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 hm2DHCPServerCounterDhcpv4DroppedUnknownClient?

This OID counts DHCP packets dropped because the server doesn't recognize or isn't configured to serve the client-id and/or hardware address in the request. An admin watching this climb should check whether a pool needs a new client-id/MAC binding added.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.248.11.91.1.1.4.2.1.30
snmpwalk -v2c -c public <target> HM2-DHCPS-MIB::hm2DHCPServerCounterDhcpv4DroppedUnknownClient

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.248.11.91.1.1.4.2.1.30.1
snmpget -v2c -c public <target> HM2-DHCPS-MIB::hm2DHCPServerCounterDhcpv4DroppedUnknownClient.1

Start monitoring Hirschmann HiOS industrial Ethernet switch (DHCP server) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the HM2-DHCPS-MIB::hm2DHCPServerCounterDhcpv4DroppedUnknownClient OID value, configure state conditions and alerts, and monitor any Hirschmann HiOS industrial Ethernet switch (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
1.3.6.1.4.1.248.11hm2ConfigurationMibsHM2-TC-MIB
Numeric OIDNameModule
1.3.6.1.4.1.248.11.91hm2DhcpsMibHM2-DHCPS-MIB
1.3.6.1.4.1.248.11.91.1hm2DHCPServerMibObjectsHM2-DHCPS-MIB
1.3.6.1.4.1.248.11.91.1.1hm2DHCPServerGroupHM2-DHCPS-MIB
1.3.6.1.4.1.248.11.91.1.1.4hm2DHCPServerCounterGroupHM2-DHCPS-MIB
1.3.6.1.4.1.248.11.91.1.1.4.2hm2DHCPServerCounterIfTableHM2-DHCPS-MIB
1.3.6.1.4.1.248.11.91.1.1.4.2.1hm2DHCPServerCounterIfEntryHM2-DHCPS-MIB
1.3.6.1.4.1.248.11.91.1.1.4.2.1.30hm2DHCPServerCounterDhcpv4DroppedUnknownClientHM2-DHCPS-MIB