All MIBs › ZHONE-COM-IP-DHCP-SERVER-MIB › dhcpCountNacks
dhcpCountNacks
Module: ZHONE-COM-IP-DHCP-SERVER-MIB
OID (symbolic): ZHONE-COM-IP-DHCP-SERVER-MIB::dhcpCountNacks
OID (numeric): 1.3.6.1.4.1.5504.4.1.11.16.3.1.9
Node type: OBJECT-TYPE
Type: Counter32
Access: read-only
Description: The number of DHCPNACK (option 53 with value 6) packets sent.
What is dhcpCountNacks?
Counts DHCPNACK packets the server has sent, rejecting a client's request (for example because the requested address is no longer valid or available) -- a rising count can indicate pool exhaustion or clients trying to renew stale leases.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.5504.4.1.11.16.3.1.9 snmpwalk -v2c -c public <target> ZHONE-COM-IP-DHCP-SERVER-MIB::dhcpCountNacks
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.5504.4.1.11.16.3.1.9.1 snmpget -v2c -c public <target> ZHONE-COM-IP-DHCP-SERVER-MIB::dhcpCountNacks.1
Start monitoring Zhone Technologies broadband CPE/gateway with embedded DHCP server (pool-utilization/lease-binding status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ZHONE-COM-IP-DHCP-SERVER-MIB::dhcpCountNacks OID value, configure state conditions and alerts, and monitor any Zhone Technologies broadband CPE/gateway with embedded DHCP server (pool-utilization/lease-binding status) from a single console.
OID Breakdown
Upper-level ancestors (9 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 |
| 1.3.6.1.4.1.5504 | Zhone | BITSTORM-HP-160-MIB |
| 1.3.6.1.4.1.5504.4 | zhoneCommunicationProtocols | Zhone |
| 1.3.6.1.4.1.5504.4.1 | zhoneIp | Zhone |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.5504.4.1.11 | dhcpServer | ZHONE-COM-IP-DHCP-SERVER-MIB |
| 1.3.6.1.4.1.5504.4.1.11.16 | dhcpServerStatistics | ZHONE-COM-IP-DHCP-SERVER-MIB |
| 1.3.6.1.4.1.5504.4.1.11.16.3 | dhcpCountersTable | ZHONE-COM-IP-DHCP-SERVER-MIB |
| 1.3.6.1.4.1.5504.4.1.11.16.3.1 | dhcpCountersEntry | ZHONE-COM-IP-DHCP-SERVER-MIB |
| 1.3.6.1.4.1.5504.4.1.11.16.3.1.9 | dhcpCountNacks | ZHONE-COM-IP-DHCP-SERVER-MIB |