IIH PDU
E538271
IIH PDU is a type of protocol data unit used by the IS-IS routing protocol to exchange intermediate system-to-intermediate system hello messages for neighbor discovery and adjacency maintenance.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
IS-IS protocol data unit
ⓘ
hello message ⓘ |
| belongsTo |
Interior Gateway Protocol
NERFINISHED
ⓘ
link-state routing protocol ⓘ |
| carriesInformation |
MTU information
ⓘ
area addresses ⓘ authentication information ⓘ circuit type ⓘ hold time ⓘ neighbor list ⓘ priority ⓘ system ID ⓘ |
| definedIn |
ISO 10589
NERFINISHED
ⓘ
RFC 1195 NERFINISHED ⓘ RFC 5308 NERFINISHED ⓘ |
| exchangedBetween |
IS-IS routers
ⓘ
intermediate systems ⓘ |
| fullName | Intermediate System to Intermediate System Hello Protocol Data Unit ⓘ |
| hasField |
PDU header
ⓘ
TLV fields ⓘ fixed header fields ⓘ |
| hasType |
LAN IIH PDU
ⓘ
Level-1 IIH PDU ⓘ Level-2 IIH PDU ⓘ Point-to-Point IIH PDU ⓘ |
| layer | network layer ⓘ |
| notUsedFor |
link-state database synchronization
ⓘ
routing information flooding ⓘ |
| relatedTo |
CSNP PDU
ⓘ
LSP PDU ⓘ PSNP PDU ⓘ |
| roleInIS-IS |
detects neighbor failure
ⓘ
discovers neighbors on a link ⓘ establishes adjacencies ⓘ maintains adjacencies ⓘ |
| scope | single link ⓘ |
| sentOn |
broadcast networks
ⓘ
point-to-point links ⓘ |
| timerAssociated |
hello interval
ⓘ
hold time ⓘ |
| transportedOver |
CLNS
ⓘ
data link layer protocols ⓘ |
| usedFor |
adjacency maintenance
ⓘ
hello message exchange ⓘ neighbor discovery ⓘ |
| usedInProtocol | IS-IS NERFINISHED ⓘ |
| usesEncoding | TLV (Type-Length-Value) ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.