All MIBs › HP-ICF-DHCPV4-SERVER-MIB › hpicfDhcpv4CountNaks
hpicfDhcpv4CountNaks
Module: HP-ICF-DHCPV4-SERVER-MIB
OID (symbolic): HP-ICF-DHCPV4-SERVER-MIB::hpicfDhcpv4CountNaks
OID (numeric): 1.3.6.1.4.1.11.2.14.11.5.1.99.1.3.6
Node type: OBJECT-TYPE
Type: Counter32
Access: read-only
Description: The number of DHCPNACK (option 53 with value 6) packets sent.
What is hpicfDhcpv4CountNaks?
This OID counts DHCPNAK packets sent (option 53 value 6) per RFC 2131/2132, refusing a client's lease request. A rising count often indicates clients requesting addresses outside the configured pool or an expired/invalid lease being renewed.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.11.2.14.11.5.1.99.1.3.6 snmpwalk -v2c -c public <target> HP-ICF-DHCPV4-SERVER-MIB::hpicfDhcpv4CountNaks
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.11.2.14.11.5.1.99.1.3.6.1 snmpget -v2c -c public <target> HP-ICF-DHCPV4-SERVER-MIB::hpicfDhcpv4CountNaks.1
Start monitoring HP ProCurve/Aruba switch (built-in DHCPv4/BOOTP server) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the HP-ICF-DHCPV4-SERVER-MIB::hpicfDhcpv4CountNaks OID value, configure state conditions and alerts, and monitor any HP ProCurve/Aruba switch (built-in DHCPv4/BOOTP server) from a single console.
OID Breakdown
Upper-level ancestors (12 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 |
| 1.3.6.1.4.1.11 | hp | CLJ8500-MIB |
| 1.3.6.1.4.1.11.2 | nm | CLJ8500-MIB |
| 1.3.6.1.4.1.11.2.14 | icf | CONFIG-MIB |
| 1.3.6.1.4.1.11.2.14.11 | hpicfObjects | CONFIG-MIB |
| 1.3.6.1.4.1.11.2.14.11.5 | hpicfSwitch | CONFIG-MIB |
| 1.3.6.1.4.1.11.2.14.11.5.1 | hpSwitch | CONFIG-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.11.2.14.11.5.1.99 | hpicfDhcpv4ServerMIB | HP-ICF-DHCPV4-SERVER-MIB |
| 1.3.6.1.4.1.11.2.14.11.5.1.99.1 | hpicfDhcpv4ServerObjects | HP-ICF-DHCPV4-SERVER-MIB |
| 1.3.6.1.4.1.11.2.14.11.5.1.99.1.3 | hpicfDhcpv4Counters | HP-ICF-DHCPV4-SERVER-MIB |
| 1.3.6.1.4.1.11.2.14.11.5.1.99.1.3.6 | hpicfDhcpv4CountNaks | HP-ICF-DHCPV4-SERVER-MIB |