CSNP PDU

E538273

CSNP PDU (Complete Sequence Number PDU) is a type of IS-IS protocol message used to advertise a router’s full link-state database to its neighbors for synchronization.

All labels observed (1)

Label Occurrences
CSNP PDU canonical 1

How this entity was disambiguated

Statements (44)

Predicate Object
instanceOf IS-IS protocol message type ⓘ
abbreviationOf Complete Sequence Number PDU ⓘ
associatedWith LSP PDU ⓘ
PSNP PDU ⓘ
category routing protocol control message ⓘ
comparisonWith PSNP PDU for partial updates ⓘ
contains LSP ID ranges ⓘ
LSP checksums ⓘ
LSP remaining lifetimes ⓘ
LSP sequence numbers ⓘ
databaseView represents complete set of LSPs known to sender ⓘ
definedIn IS-IS specification ⓘ
direction from designated router to all neighbors on LAN ⓘ
fullName Complete Sequence Number PDU ⓘ
granularity complete database summary rather than individual LSPs ⓘ
layer network layer control ⓘ
messageType control plane ⓘ
operatesOn link-state database ⓘ
originatedBy Designated IS router on a LAN ⓘ
primaryFunction advertise full link-state database ⓘ
database synchronization ⓘ
protocolFamily link-state IGP ⓘ
reliabilityMechanism sequence number and checksum comparison ⓘ
reliabilityRole ensures all routers have same LSP set ⓘ
scope link-state database for an IS-IS level ⓘ
sentTo IS-IS neighbors ⓘ
standardType ISO/IEC 10589 IS-IS PDU type ⓘ
synchronizationRole triggers LSP requests from neighbors ⓘ
topologyRole helps maintain consistent link-state topology view ⓘ
transmissionMode on-demand in some implementations ⓘ
periodic ⓘ
triggeredActionOnReceiver request missing or newer LSPs ⓘ
usedAtLevel IS-IS Level-1 ⓘ
linked to: IS‑IS

IS-IS Level-2 ⓘ
usedBy IS-IS router ⓘ
usedFor database consistency checking ⓘ
detecting missing LSPs ⓘ
detecting outdated LSPs ⓘ
usedIn IP routing with IS-IS ⓘ
MPLS networks using IS-IS ⓘ
usedInLayer link-state routing ⓘ
usedInProtocol IS-IS ⓘ
linked to: IS‑IS
usedOn broadcast networks ⓘ
multi-access LANs ⓘ

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

ISO 10589 → definesPDUType → CSNP PDU ⓘ