Chapter4IS-ISConguration
StepRTARTB
4ReceivestheRTC.00-00LSPand
updatesthedatabase.
SendstheacknowledgePSNPofthe
RTC.00-00LSP
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5-ReceivestheRTA.00-00LSPand
updatesthedatabase.
2.AftertheadjacentrelationisestablishedbetweenRTBandRTA,theRTA
informationisoodedtoRTC.Theprocessisasfollows:
StepRTBRTC
1ReceivestheRTA.00-00fromRTA,and
theLSPfromtheSEQ100through
interface2.
Checksthedatabaseandndsthatthe
LSPisunavailable.
SetstheSSNfortheRTA.00-00on
interface2.
SetstheSRMfortheRTA.00-00on
interface3.
SendsthePSNPacknowledgepacketfor
theRTA.00-00oninterface2.
ClearstheSSNoninterface2.
SendstheCSNP .
2-ReceivestheRTA.00-00SEQ100
fromRTBoninterface4.
Checksthedatabaseandnds
thattheLSPisunavailableinthe
database.
SetstheSSNfortheRTA.00-00on
interface4.
AddstheRTA00-00SEQ100tothe
database.
SendsthePSNPacknowledgepacket
fortheRTA.00-00oninterface4.
ClearstheSSNoninterface4.
3ReceivesthePSNPacknowledgepacket
fortheRTA.00-00oninterface3.
ClearstheSRMfortheRTA.00-00on
interface3.
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lBroadcastlinks
4-9
SJ-20150114102049-003|2015-01-15(R1.0)ZTEProprietaryandCondential