DHCPINFORM
E763668
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.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
DHCP control message
ⓘ
DHCP message type ⓘ |
| canBe |
broadcast
ⓘ
unicast ⓘ |
| category | network protocol control message ⓘ |
| definedIn | RFC 2131 NERFINISHED ⓘ |
| doesNot |
renew existing IP address lease
ⓘ
request new IP address lease ⓘ |
| hasField |
chaddr
ⓘ
ciaddr ⓘ flags ⓘ giaddr ⓘ hlen ⓘ hops ⓘ htype ⓘ op ⓘ options ⓘ secs ⓘ siaddr ⓘ xid ⓘ yiaddr ⓘ |
| hasPurpose |
obtain DHCP options without lease allocation
ⓘ
request additional configuration parameters ⓘ |
| layer | application layer ⓘ |
| messageCode | 8 ⓘ |
| partOf | Dynamic Host Configuration Protocol NERFINISHED ⓘ |
| relatedTo |
DHCPACK
ⓘ
DHCPDECLINE ⓘ DHCPDISCOVER ⓘ DHCPNAK ⓘ DHCPOFFER ⓘ DHCPRELEASE ⓘ DHCPRENEW ⓘ DHCPREQUEST ⓘ |
| replyMessageType | DHCPACK ⓘ |
| requires | client IP address in ciaddr field ⓘ |
| sentTo | DHCP server ⓘ |
| transportProtocol | UDP ⓘ |
| usedBy | DHCP client ⓘ |
| usedFor |
retrieving DNS configuration
ⓘ
retrieving default gateway information ⓘ retrieving other site-specific options ⓘ retrieving vendor-specific options ⓘ stateless configuration information ⓘ |
| usedWhen |
IP address is obtained by non-DHCP means
ⓘ
client already has a valid IP address ⓘ client needs additional DHCP options ⓘ |
| usesPort |
UDP port 67
ⓘ
UDP port 68 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.