All MIBs › ZYXEL-ARP-INSPECTION-MIB › zyArpInspectStatisticsDrop
zyArpInspectStatisticsDrop
Module: ZYXEL-ARP-INSPECTION-MIB
OID (symbolic): ZYXEL-ARP-INSPECTION-MIB::zyArpInspectStatisticsDrop
OID (numeric): 1.3.6.1.4.1.890.1.15.3.12.2.5.1.6
Node type: OBJECT-TYPE
Type: Counter32
Access: read-only
Description: This field displays the total number of ARP packets the switch discarded for the VLAN since the switch last restarted.
What is zyArpInspectStatisticsDrop?
Counts the total ARP packets the switch discarded for this VLAN since it last restarted, i.e. packets that failed ARP inspection. A rising counter here is the clearest sign of active ARP spoofing attempts or misconfigured static/DHCP bindings on the VLAN.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.890.1.15.3.12.2.5.1.6 snmpwalk -v2c -c public <target> ZYXEL-ARP-INSPECTION-MIB::zyArpInspectStatisticsDrop
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.890.1.15.3.12.2.5.1.6.1 snmpget -v2c -c public <target> ZYXEL-ARP-INSPECTION-MIB::zyArpInspectStatisticsDrop.1
Start monitoring ZyXEL managed switch (Dynamic ARP Inspection trusted-port/dropped-packet-count status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ZYXEL-ARP-INSPECTION-MIB::zyArpInspectStatisticsDrop OID value, configure state conditions and alerts, and monitor any ZyXEL managed switch (Dynamic ARP Inspection trusted-port/dropped-packet-count status) from a single console.
OID Breakdown
Upper-level ancestors (10 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.890 | zyxel | IES5206-MIB |
| 1.3.6.1.4.1.890.1 | products | IES5206-MIB |
| 1.3.6.1.4.1.890.1.15 | nwa1100nh | NWA1100-NH |
| 1.3.6.1.4.1.890.1.15.3 | esMgmt | NWA1100-NH |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.890.1.15.3.12 | zyxelArpInspection | ZYXEL-ARP-INSPECTION-MIB |
| 1.3.6.1.4.1.890.1.15.3.12.2 | zyxelArpInspectStatus | ZYXEL-ARP-INSPECTION-MIB |
| 1.3.6.1.4.1.890.1.15.3.12.2.5 | zyxelArpInspectStatisticsTable | ZYXEL-ARP-INSPECTION-MIB |
| 1.3.6.1.4.1.890.1.15.3.12.2.5.1 | zyxelArpInspectStatisticsEntry | ZYXEL-ARP-INSPECTION-MIB |
| 1.3.6.1.4.1.890.1.15.3.12.2.5.1.6 | zyArpInspectStatisticsDrop | ZYXEL-ARP-INSPECTION-MIB |