OSPF Debug and Show Commands
5-110 Configuring the Internet Protocol

show ip ospf border-routers

ThiscommanddisplaysinformationaboutOSPFinternalroutetableentriestoABRsandASBRs.
Syntax
show ip ospf border-routers
Mode
EXECorGlobalconfiguration: XSR> or XSR(config)#
Sample Output
Thefollowingissampleoutput:
XSR>show ip ospf border-routers
OSPF internal Routing Table
Codes: i - Intra-area route, I - Inter-area route
i 192.168.22.1 [64] via 192.168.11.1, Serial1, ABR, Area 0, SPF 10
i 192.168.22.1 [64] via 192.168.11.1, Serial1, ABR, Area 4, SPF 10
i 192.168.44.1 [64] via 192.168.33.1, Serial2, ABR, Area 0, SPF 10
i 192.168.44.1 [64] via 192.168.33.1, Serial2, ABR, Area 2, SPF 7
i 192.168.44.2 [64] via 192.168.33.1, Serial2, ABR, Area 0, SPF 10
i 192.168.44.2 [64] via 192.168.11.1, Serial1, ABR, Area 0, SPF 10
Parameter Descriptions
It is OSPFrouterdesignation.Validvalues:areaborder,autonomous
systemboundary,andinternal.
Summary Link update
interval
UpdateintervalforsummaryLSAsgeneratedbythisrouter.
External Link update
interval
UpdateintervalforexternalLSAsgeneratedbythisrouter.
Redistributing
External Routes from
Validredistributedroutes:static,RIP,OSPF.
Number of areas in
this router
Sumofareasthisrouterbelongstofollowedbytypesofareas.
Number of interfaces
in this area
Sumofinterfacesassignedtothisarea.
Area authentication Typeofauthenticationusedforthisarea.
SPF algorithm
executed
NumberoftimestheSPFalgorithmisrunonthisrouterforthisarea.
Area ranges Summarizedarearanges.
Router ID OSPFrouterIDofthedestinationborderrouter.
Cost OSPFcostormetricofreachingaborderrouteridentifiedbytherouterID.