TPLINK-DHCPSERVER-MIB

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Organization: TP-LINK

Last Updated: 2012-11-29

Category: DHCP Management

Description: Manages TP-Link switch DHCP server address pools, lease times, and client assignments.

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What Is TPLINK-DHCPSERVER-MIB?

TPLINK-DHCPSERVER-MIB manages the built-in DHCP server function on TP-Link switches, covering server enable state, vendor class identification, CAPWAP AC (wireless controller) IP delivery via DHCP option, and IP address pool configuration. It exposes tables for unused/available IP addresses within a range and for configured address pools, along with statistics objects for the DHCP server's operation. Its monitoring value is configuration and service-status oriented: tpDhcpServerEnable confirms whether the DHCP service is running, tpDhcpServerUnusedIpTable reveals how much address space remains available in a pool (flagging imminent pool exhaustion), and tpDhcpServerStatistics would surface service-level activity such as lease request volume. It is a self-contained TP-Link enterprise MIB with no stated dependency on external standard MIBs, though it parallels the concepts in the IETF DHCP server MIB drafts. It is deployed on TP-Link managed switches in small-to-midsize business or campus networks providing local DHCP service alongside switching, and administrators can download the TPLINK-DHCPSERVER-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in TPLINK-DHCPSERVER-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

TP-Link managed switches

Monitoring Examples

An operator would poll tpDhcpServerAddrPoolTable/tpDhcpServerAddrPoolEntry for tpDhcpServerAddrPoolNetwork to confirm pool scope configuration, then check tpDhcpServerUnusedIpTable/tpDhcpServerUnusedIpEntry's tpDhcpServerUnusedStartIp/EndIp range against current usage to detect a pool running low on available addresses. tpDhcpServerCapwapAcIp would be checked to confirm wireless access points are being pointed at the correct controller IP via DHCP option, and tpDhcpServerEnable would be the first check if clients report failing to receive an address at all.

What Can Be Monitored

DHCP server enable state
address pool network/range configuration
unused/available IP addresses in pool
CAPWAP AC IP delivered via DHCP
DHCP server statistics

Imported Objects

From SNMPv2-SMI

Counter64
IpAddress
MODULE-IDENTITY
OBJECT-TYPE

From TPLINK-MIB

tplinkMgmt

OBJECT-IDENTITY

From TPLINK-TC-MIB

TPRowStatus

How to Use in IPNetwork Monitor

Example using tpDhcpServerStatisticsBootRequest OID:

Select a TP-Link managed switch (built-in DHCP server enable/address-pool status) as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type tpDhcpServerStatisticsBootRequest into the Find box to locate it in the OID tree, then select it and click OK. Displays the Bootp Request packets received. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter64-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
OCT tpDhcpServerAddrPoolBootfile	1.3.6.1.4.1.11863.6.38.1.5.1.32	OCTET STRING	read-create	The domain name of client.
IP tpDhcpServerAddrPoolDnsA	1.3.6.1.4.1.11863.6.38.1.5.1.13	IpAddress	read-create	The address of dns.
IP tpDhcpServerAddrPoolDnsB	1.3.6.1.4.1.11863.6.38.1.5.1.14	IpAddress	read-create	The address of dns.
IP tpDhcpServerAddrPoolDnsC	1.3.6.1.4.1.11863.6.38.1.5.1.15	IpAddress	read-create	The address of dns.
IP tpDhcpServerAddrPoolDnsD	1.3.6.1.4.1.11863.6.38.1.5.1.16	IpAddress	read-create	The address of dns.
IP tpDhcpServerAddrPoolDnsE	1.3.6.1.4.1.11863.6.38.1.5.1.17	IpAddress	read-create	The address of dns.
IP tpDhcpServerAddrPoolDnsF	1.3.6.1.4.1.11863.6.38.1.5.1.18	IpAddress	read-create	The address of dns.
IP tpDhcpServerAddrPoolDnsG	1.3.6.1.4.1.11863.6.38.1.5.1.19	IpAddress	read-create	The address of dns.
IP tpDhcpServerAddrPoolDnsH	1.3.6.1.4.1.11863.6.38.1.5.1.20	IpAddress	read-create	The address of dns.
OCT tpDhcpServerAddrPoolDomainName	1.3.6.1.4.1.11863.6.38.1.5.1.31	OCTET STRING	read-create	The domain name of client.
tpDhcpServerAddrPoolEntry	1.3.6.1.4.1.11863.6.38.1.5.1		not-accessible	A group of IP entries.
IP tpDhcpServerAddrPoolGateWayA	1.3.6.1.4.1.11863.6.38.1.5.1.5	IpAddress	read-create	The address of gateway.
IP tpDhcpServerAddrPoolGateWayB	1.3.6.1.4.1.11863.6.38.1.5.1.6	IpAddress	read-create	The address of gateway.
IP tpDhcpServerAddrPoolGateWayC	1.3.6.1.4.1.11863.6.38.1.5.1.7	IpAddress	read-create	The address of gateway.
IP tpDhcpServerAddrPoolGateWayD	1.3.6.1.4.1.11863.6.38.1.5.1.8	IpAddress	read-create	The address of gateway.
IP tpDhcpServerAddrPoolGateWayE	1.3.6.1.4.1.11863.6.38.1.5.1.9	IpAddress	read-create	The address of gateway.
IP tpDhcpServerAddrPoolGateWayF	1.3.6.1.4.1.11863.6.38.1.5.1.10	IpAddress	read-create	The address of gateway.
IP tpDhcpServerAddrPoolGateWayG	1.3.6.1.4.1.11863.6.38.1.5.1.11	IpAddress	read-create	The address of gateway.
IP tpDhcpServerAddrPoolGateWayH	1.3.6.1.4.1.11863.6.38.1.5.1.12	IpAddress	read-create	The address of gateway.
OCT tpDhcpServerAddrPoolName	1.3.6.1.4.1.11863.6.38.1.5.1.1	OCTET STRING	read-create	The entry name.
IP tpDhcpServerAddrPoolNBNServerA	1.3.6.1.4.1.11863.6.38.1.5.1.21	IpAddress	read-create	The address of nebios server.
IP tpDhcpServerAddrPoolNBNServerB	1.3.6.1.4.1.11863.6.38.1.5.1.22	IpAddress	read-create	The address of nebios server.
IP tpDhcpServerAddrPoolNBNServerC	1.3.6.1.4.1.11863.6.38.1.5.1.23	IpAddress	read-create	The address of nebios server.
IP tpDhcpServerAddrPoolNBNServerD	1.3.6.1.4.1.11863.6.38.1.5.1.24	IpAddress	read-create	The address of nebios server.
IP tpDhcpServerAddrPoolNBNServerE	1.3.6.1.4.1.11863.6.38.1.5.1.25	IpAddress	read-create	The address of nebios server.
IP tpDhcpServerAddrPoolNBNServerF	1.3.6.1.4.1.11863.6.38.1.5.1.26	IpAddress	read-create	The address of nebios server.
IP tpDhcpServerAddrPoolNBNServerG	1.3.6.1.4.1.11863.6.38.1.5.1.27	IpAddress	read-create	The address of nebios server.
IP tpDhcpServerAddrPoolNBNServerH	1.3.6.1.4.1.11863.6.38.1.5.1.28	IpAddress	read-create	The address of nebios server.
INT tpDhcpServerAddrPoolNetbiosNodeType	1.3.6.1.4.1.11863.6.38.1.5.1.29	INTEGER	read-create	The Netbios node type.
IP tpDhcpServerAddrPoolNetwork	1.3.6.1.4.1.11863.6.38.1.5.1.2	IpAddress	read-create	The address of network.
IP tpDhcpServerAddrPoolNextServer	1.3.6.1.4.1.11863.6.38.1.5.1.30	IpAddress	read-create	The address of next server.
INT tpDhcpServerAddrPoolRentTime	1.3.6.1.4.1.11863.6.38.1.5.1.4	INTEGER	read-create	The rent time.
TPR tpDhcpServerAddrPoolStatus	1.3.6.1.4.1.11863.6.38.1.5.1.33	TPRowStatus	read-create	The following values are states: these values may be used as follow: active(1),if the entry is being used. createAndGo(4),not being used. destroy(6),destory the entry.
IP tpDhcpServerAddrPoolSubnetMask	1.3.6.1.4.1.11863.6.38.1.5.1.3	IpAddress	read-create	The address of subnet mask.
tpDhcpServerAddrPoolTable	1.3.6.1.4.1.11863.6.38.1.5		not-accessible	A list of entries in DHCP server address pool.
INT tpDhcpServerBindingClear	1.3.6.1.4.1.11863.6.38.1.8	INTEGER	read-write	Clear the DHCP bindings.
OCT tpDhcpServerBindingClientId	1.3.6.1.4.1.11863.6.38.1.7.1.2	OCTET STRING	read-only	The identifier of the client.
tpDhcpServerBindingEntry	1.3.6.1.4.1.11863.6.38.1.7.1		not-accessible	A group of IP entries.
IP tpDhcpServerBindingIp	1.3.6.1.4.1.11863.6.38.1.7.1.1	IpAddress	read-only	The address of subnet mask.
OCT tpDhcpServerBindingMac	1.3.6.1.4.1.11863.6.38.1.7.1.3	OCTET STRING	read-only	The address of network.
OCT tpDhcpServerBindingRemainTime	1.3.6.1.4.1.11863.6.38.1.7.1.5	OCTET STRING	read-only	The rent time.
TPR tpDhcpServerBindingStatus	1.3.6.1.4.1.11863.6.38.1.7.1.6	TPRowStatus	read-create	The following values are states: these values may be used as follow: active(1),if the entry is being used. createAndGo(4),not being used. destroy(6),destory the entry.
tpDhcpServerBindingTable	1.3.6.1.4.1.11863.6.38.1.7		not-accessible	A list of entries in DHCP server bindings.
INT tpDhcpServerBindingType	1.3.6.1.4.1.11863.6.38.1.7.1.4	INTEGER	read-only	The binding type.
IP tpDhcpServerBindIpAddr	1.3.6.1.4.1.11863.6.38.1.6.1.2	IpAddress	read-create	The static binding ip address.
IP tpDhcpServerCapwapAcIp	1.3.6.1.4.1.11863.6.38.1.3	IpAddress	read-write	Configure DHCP option 138 field.
INT tpDhcpServerEnable	1.3.6.1.4.1.11863.6.38.1.1	INTEGER	read-write	Select Enable/Disable DHCP server function globally on the Switch.
INT tpDhcpServerHardwareType	1.3.6.1.4.1.11863.6.38.1.6.1.5	INTEGER	read-create	The hardware type. -2 stands for ascii clientid, -1 stands for hex clientid ETHERNET_BIND v stands for mac type ethernet and 6 stands for mac type ieee802.
OCT tpDhcpServerMacAddr	1.3.6.1.4.1.11863.6.38.1.6.1.4	OCTET STRING	read-create	The mac address of network.
INT tpDhcpServerPingPackets	1.3.6.1.4.1.11863.6.38.1.10	INTEGER	read-write	The number of packets to be sent.
INT tpDhcpServerPingTimeout	1.3.6.1.4.1.11863.6.38.1.11	INTEGER	read-write	The time it takes to determine the specific IP not exist.
OCT tpDhcpServerStaticAddrPoolName	1.3.6.1.4.1.11863.6.38.1.6.1.1	OCTET STRING	read-create	The entry name.
tpDhcpServerStaticBindEntry	1.3.6.1.4.1.11863.6.38.1.6.1		not-accessible	A group of IP entries.
TPR tpDhcpServerStaticBindStatus	1.3.6.1.4.1.11863.6.38.1.6.1.6	TPRowStatus	read-create	The following values are states: these values may be used as follow: active(1),if the entry is being used. createAndGo(4),not being used. destroy(6),destory the entry.
tpDhcpServerStaticBindTable	1.3.6.1.4.1.11863.6.38.1.6		not-accessible	A list of entries in DHCP server static bind table.
OCT tpDhcpServerStaticClientId	1.3.6.1.4.1.11863.6.38.1.6.1.3	OCTET STRING	read-create	The identifier of the client.
tpDhcpServerStatistics	1.3.6.1.4.1.11863.6.38.1.9
C64 tpDhcpServerStatisticsAck	1.3.6.1.4.1.11863.6.38.1.9.9	Counter64	read-only	Displays the Ack packets sent.
C64 tpDhcpServerStatisticsBootReply	1.3.6.1.4.1.11863.6.38.1.9.7	Counter64	read-only	Displays the Bootp reply packets sent.
C64 tpDhcpServerStatisticsBootRequestEx	1.3.6.1.4.1.11863.6.38.1.9.1	Counter64	read-only	Displays the Bootp Request packets received.
INT tpDhcpServerStatisticsClear	1.3.6.1.4.1.11863.6.38.1.9.11	INTEGER	read-write	Clear the packet statistics.
C64 tpDhcpServerStatisticsDecline	1.3.6.1.4.1.11863.6.38.1.9.4	Counter64	read-only	Displays the Decline packets received.
C64 tpDhcpServerStatisticsDiscover	1.3.6.1.4.1.11863.6.38.1.9.2	Counter64	read-only	Displays the Discover packets received.
C64 tpDhcpServerStatisticsInform	1.3.6.1.4.1.11863.6.38.1.9.6	Counter64	read-only	Displays the Inform packets received.
C64 tpDhcpServerStatisticsNak	1.3.6.1.4.1.11863.6.38.1.9.10	Counter64	read-only	Displays the Nak packets sent.
C64 tpDhcpServerStatisticsOffer	1.3.6.1.4.1.11863.6.38.1.9.8	Counter64	read-only	Displays the Offer packets sent.
C64 tpDhcpServerStatisticsRelease	1.3.6.1.4.1.11863.6.38.1.9.5	Counter64	read-only	Displays the Release packets received.
C64 tpDhcpServerStatisticsRequest	1.3.6.1.4.1.11863.6.38.1.9.3	Counter64	read-only	Displays the Request packets received.
IP tpDhcpServerUnusedEndIp	1.3.6.1.4.1.11863.6.38.1.4.1.2	IpAddress	read-create	The end unused ip address of the DHCP server.
tpDhcpServerUnusedIpEntry	1.3.6.1.4.1.11863.6.38.1.4.1		not-accessible	A group of IP entries.
TPR tpDhcpServerUnusedIpStatus	1.3.6.1.4.1.11863.6.38.1.4.1.3	TPRowStatus	read-create	The following values are states: these values may be used as follow: active(1),if the entry is being used. createAndGo(4),not being used. destroy(6),destory the entry.
tpDhcpServerUnusedIpTable	1.3.6.1.4.1.11863.6.38.1.4		not-accessible	A list of distributed IP entries by the DHCP server.
IP tpDhcpServerUnusedStartIp	1.3.6.1.4.1.11863.6.38.1.4.1.1	IpAddress	read-only	Every DHCP Server own a lot of ip address ,here is the start unused ip address.
OCT tpDhcpServerVendorClassId	1.3.6.1.4.1.11863.6.38.1.2	OCTET STRING	read-write	Configure DHCP option 60 field.
tplinkDhcpServerMIB	1.3.6.1.4.1.11863.6.38			This MIB module contain a collection of managed objects that apply to network devices with Dhcp Server function.
tplinkDhcpServerMIBObjects	1.3.6.1.4.1.11863.6.38.1
tplinkDhcpServerNotifications	1.3.6.1.4.1.11863.6.38.2

RFC description

TP-Link MIB for DHCP server management and monitoring on network switches and routers. Provides SNMP access to DHCP server statistics, lease management, and configuration parameters.

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Download TPLINK-DHCPSERVER-MIB