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OSPF Debug and Show Commands

5-120 Configuring the Internet Protocol

show ip ospf neighbor

Thiscommanddisplaysthestateofcommunicationbetweenthisrouteranditsneighborrouters.

Syntax

show ip ospf neighbor [type number] [neighbor-id] [detail]

Mode

EXECorGlobalconfiguration: XSR> or XSR(config)#

Networktype OSPFnetworktype.Valuescanbebroadcast,non‐broadcast,point‐to‐

point,andpoint‐to‐multipoint.Refertothe

ip ospf network

commandformoreinformationaboutnetworktype.

Cost OSPFinterfacecost.Thisvalueiseitherthedefaultorassignedby

meansofthe

ip ospf cost command.

Transmitdelay NumberinsecondsaddedtotheLSAagefieldatthetimeofLSA

transmission.

State Interfacestate‐notstatebetweenneighbors.Validvalues:DR,BDR,

Drother,point‐to‐point,point‐to‐multipoint,down,backup,loopback.

Priority Interfacepriorityvalue.Refertothe

ip ospf prioritycommandfor

moreinformationonpriority.

DesignatedRouterid RouterIDofthedesignatedrouteronthissubnetifaDRexists.

Interfaceaddr AddressofthedesignatedrouterʹsinterfacetothissubnetifaDRexists.

Timerintervals

configured

Referstothe

ip ospf hello-interval andip ospf dead-interval

commandsforhelloanddeadintervalvalues.Thewaittimerrepresents

theperiodthatarouterwaitsbeforeinitiatinga designatedrouter/

backuprouterelection.Thewaittimerchangeswhenthedeadinterval

changes.Retransmittimerrepresentstheperiodbetweensuccessive

transmissionsofLSAsuntilacknowledgementisreceived.

Neighborcount Sumof

neighborsovertheinterface.

Adjacentneighborcount Sumofadjacent(FULLstate)neighborsonthisport.

secondary SpecifiedsecondaryIPaddress.

type

Interfacetypeoftheselectedinterface.Validinterfacetypesare

interfacesthatexistonthisrouter.

number

Interfacenumberoftheselectedinterface.Validvaluescorrespondto

thenumberofaparticularinterfacetypepresentonthisrouter.

neighbor-id

RouterIDoftheneighborrouterthattheselectedportison.

detail

Displaysmoredataaboutneighborsincludingtheareainwhichthey

areneighbors,whothedesignatedrouter/backuprouterisonthe

subnetifapplicable,andthedecimalequivalentoftheE‐bitvaluefrom

thehellopacketoptionsfield.

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