DHCPRELEASE
E844549
DHCPRELEASE is a DHCP message type used by a client to inform the server that it is relinquishing its assigned IP address and canceling the associated lease.
All labels observed (1)
| Label | Occurrences |
|---|---|
| DHCPRELEASE canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10141822 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: DHCPRELEASE Context triple: [RFC 1541, definesMessageType, DHCPRELEASE]
-
A.
DHCPNAK
DHCPNAK is a Dynamic Host Configuration Protocol (DHCP) message type used by a server to indicate that a client's requested or previously assigned IP configuration is invalid or cannot be granted.
-
B.
DHCPDECLINE
DHCPDECLINE is a Dynamic Host Configuration Protocol (DHCP) message sent by a client to inform the server that the offered IP address is already in use or otherwise invalid.
-
C.
DHCPREQUEST
DHCPREQUEST is a Dynamic Host Configuration Protocol (DHCP) message used by a client to request or renew an IP address lease and related configuration parameters from a DHCP server.
-
D.
DHCPACK
DHCPACK is a Dynamic Host Configuration Protocol (DHCP) message sent by a server to confirm and finalize the configuration parameters (such as IP address and lease time) offered to a client.
-
E.
DHCPINFORM
DHCPINFORM is a Dynamic Host Configuration Protocol (DHCP) message type used by a client to request additional configuration parameters from a DHCP server without obtaining or renewing an IP address lease.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: DHCPRELEASE Target entity description: DHCPRELEASE is a DHCP message type used by a client to inform the server that it is relinquishing its assigned IP address and canceling the associated lease.
-
A.
DHCPNAK
DHCPNAK is a Dynamic Host Configuration Protocol (DHCP) message type used by a server to indicate that a client's requested or previously assigned IP configuration is invalid or cannot be granted.
-
B.
DHCPDECLINE
DHCPDECLINE is a Dynamic Host Configuration Protocol (DHCP) message sent by a client to inform the server that the offered IP address is already in use or otherwise invalid.
-
C.
DHCPREQUEST
DHCPREQUEST is a Dynamic Host Configuration Protocol (DHCP) message used by a client to request or renew an IP address lease and related configuration parameters from a DHCP server.
-
D.
DHCPACK
DHCPACK is a Dynamic Host Configuration Protocol (DHCP) message sent by a server to confirm and finalize the configuration parameters (such as IP address and lease time) offered to a client.
-
E.
DHCPINFORM
DHCPINFORM is a Dynamic Host Configuration Protocol (DHCP) message type used by a client to request additional configuration parameters from a DHCP server without obtaining or renewing an IP address lease.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
DHCP control message
ⓘ
DHCP message type ⓘ |
| belongsTo | DHCP lease lifecycle ⓘ |
| category | network management message ⓘ |
| definedIn | RFC 2131 ⓘ |
| direction | client-to-server ⓘ |
| effectOnClient | client stops using the released IP address ⓘ |
| effectOnServer | server may reassign the released IP address ⓘ |
| hasAbbreviation | DHCPRELEASE ⓘ |
| hasPurpose |
cancel DHCP lease
ⓘ
relinquish assigned IP address ⓘ |
| includesField |
DHCP message type option
ⓘ
chaddr ⓘ ciaddr ⓘ hlen ⓘ hops ⓘ htype ⓘ op ⓘ server identifier option ⓘ xid ⓘ |
| initiatedBy |
client shutdown
ⓘ
interface going down ⓘ manual network reconfiguration ⓘ |
| layer | application layer ⓘ |
| messageTypeCode | 7 ⓘ |
| notifies | DHCP server of lease termination ⓘ |
| operatesOn | IPv4 address leases ⓘ |
| partOf |
Dynamic Host Configuration Protocol
ⓘ
linked to:
DHCP
|
| relatedTo |
DHCPACK
ⓘ
DHCPDECLINE ⓘ DHCPDISCOVER ⓘ DHCPINFORM ⓘ DHCPNAK ⓘ DHCPOFFER ⓘ DHCPREQUEST ⓘ |
| requires | valid existing lease ⓘ |
| requiresOption | server identifier ⓘ |
| scope | single DHCP server handling the lease ⓘ |
| sentTo | DHCP server ⓘ |
| specifiedBy |
IETF
ⓘ
linked to:
Internet Engineering Task Force
|
| transportProtocol | UDP ⓘ |
| triggers |
release of IP address on server
ⓘ
removal of client lease state ⓘ |
| usedBy | DHCP client ⓘ |
| usedFor | graceful lease termination ⓘ |
| usedIn | IPv4 DHCP ⓘ |
| usesPort | 67 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: DHCPRELEASE Description of subject: DHCPRELEASE is a DHCP message type used by a client to inform the server that it is relinquishing its assigned IP address and canceling the associated lease.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.