All MIBs › EdgeSwitch-DHCPSERVER-PRIVATE-MIB › agentDhcpServerNAKMessagesSent
agentDhcpServerNAKMessagesSent
Module: EdgeSwitch-DHCPSERVER-PRIVATE-MIB
OID (symbolic): EdgeSwitch-DHCPSERVER-PRIVATE-MIB::agentDhcpServerNAKMessagesSent
OID (numeric): 1.3.6.1.4.1.4413.1.1.12.1.13
Node type: OBJECT-TYPE
Type: Counter32
Access: read-only
Description: The no. of DHCP messages of type DHCPNAK that have been sent by the DHCP server.
What is agentDhcpServerNAKMessagesSent?
Counts DHCPNAK messages sent, which the server issues when it refuses a client's DHCPREQUEST (for example the requested address is no longer valid for that client). A spike here often correlates with clients roaming between subnets or a pool being reconfigured.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4413.1.1.12.1.13 snmpwalk -v2c -c public <target> EdgeSwitch-DHCPSERVER-PRIVATE-MIB::agentDhcpServerNAKMessagesSent
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.4413.1.1.12.1.13.1 snmpget -v2c -c public <target> EdgeSwitch-DHCPSERVER-PRIVATE-MIB::agentDhcpServerNAKMessagesSent.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> agentDhcpServerNAKMessagesSent.1
Start monitoring Ubiquiti EdgeSwitch (built-in DHCP server) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the EdgeSwitch-DHCPSERVER-PRIVATE-MIB::agentDhcpServerNAKMessagesSent OID value, configure state conditions and alerts, and monitor any Ubiquiti EdgeSwitch (built-in DHCP server) 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 |
| 1.3.6.1.4.1.4413 | broadcom | EdgeSwitch-REF-MIB |
| 1.3.6.1.4.1.4413.1 | broadcomProducts | EdgeSwitch-REF-MIB |
| 1.3.6.1.4.1.4413.1.1 | fastPath | EdgeSwitch-REF-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.4413.1.1.12 | fastPathDHCPServerPrivate | EdgeSwitch-DHCPSERVER-PRIVATE-MIB |
| 1.3.6.1.4.1.4413.1.1.12.1 | agentDhcpServerGroup | EdgeSwitch-DHCPSERVER-PRIVATE-MIB |
| 1.3.6.1.4.1.4413.1.1.12.1.13 | agentDhcpServerNAKMessagesSent | EdgeSwitch-DHCPSERVER-PRIVATE-MIB |