ZXR105900ESeriesCongurationGuide(IPv4Routing)
4.4.2MultipleAreaIS-ISConfigurationExample
CongurationDescription
Foralargersizenetwork,usemultipleIS-ISareas.Accordingtothegeographiclocations
andthefunctionsofrouters,partitionthecloserouterstoanarea.Areadivisionhelps
tolightenthedemandsformemory.Theareaonlyneedtomaintainasmallerlinkstate
database.Arouteronlyneedstomaintainasmallerlinkstatedatabaseinitsarea.
AsshowninFigure4-10,S1belongstoarea1,S2belongstoarea0,andS3andS4
belongtoarea2.S1aggregatestheroutesofthenetworksegmentinarea1,andS4
redistributesthedefaultroutetoIS-IS.
Figure4-10MultipleAreaIS-ISCongurationExample
CongurationThought
1.CongureIPaddressesofinterfaces.
2.CongureIS-ISprotocol.
3.EnableIS-ISprotocoloninterfaces.
4.EnablerouteaggregationonS1.
5.CongurestaticrouteonS4andredistributedefaultroute.
6.Testtheconguration.MakesurethattheneighborhoodissetupbetweenS1andS2,
betweenS2andS3,andbetweenS3andS4alreadyandthetopologyiscalculated
correctly.Pingthepeerinterfacebyoneofanypairofinterfacessuccessfully.
CongurationProcess
CongurationonS1:
S1(config)#interfacevlan10
S1(config-if-vlan10)#ipaddress192.168.15.1255.255.255.0
S1(config-if-vlan10)#exit
S1(config)#interfacevlan20
S1(config-if-vlan20)#ipaddress192.168.100.1255.255.255.0
S1(config-if-vlan20)#exit
S1(config)#interfacevlan30
S1(config-if-vlan30)#ipaddress192.168.101.1255.255.255.0
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SJ-20150114102049-003|2015-01-15(R1.0)ZTEProprietaryandCondential