Requesting router
A router that asks a delegating router for one or more IPv6 prefixes using DHCPv6 Prefix Delegation. It assigns subnets from the delegated space to downstream links.
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Browse the glossaryDHCPv6 glossary — page 2
31 definitions associated with DHCPv6.
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Page 2 of 2SARR
A mnemonic for the common stateful DHCPv6 exchange: Solicit, Advertise, Request, Reply. Rapid Commit can reduce the exchange to Solicit and Reply when both client and server support it.
Read definitionServer unicast
An older DHCPv6 feature that allowed clients to send some messages directly to a server address advertised in an option. RFC 9915 marks the Server Unicast option and UseMulticast behavior obsolete.
Read definitionSOLICIT
The initial DHCPv6 client message used to locate servers and request addresses, prefixes, or other configuration. Servers normally answer with ADVERTISE unless Rapid Commit is used.
Read definitionStateful DHCPv6
DHCPv6 operation in which the server assigns addresses or prefixes and maintains bindings, typically through IA_NA or IA_PD. Router Advertisements still provide default-router information.
Read definitionStateless DHCPv6
DHCPv6 used only to provide configuration such as DNS or domain search information without assigning addresses. Clients normally learn addresses through SLAAC and send INFORMATION-REQUEST.
Read definitionValid lifetime
The period during which an IPv6 address or delegated prefix remains valid for existing and new use, subject to preferred-state rules. When it expires, the resource must not be used.
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