Specifications

Configuring OSPF passive-interface
21-36 Routing Protocol Configuration
Defaults
None.
Mode
Routercommand,Routerconfiguration:Matrix>Router(config‐router)#
Usage
The“no”formofthiscommandremovesthevirtuallink.
Example
ThisexampleshowshowtoconfigureavirtuallinkbetweenOSPFarea0.0.0.2andABRnetwork
134.141.7.2:
Matrix>Router(config)#router ospf 1
Matrix>Router(config-router)#area 0.0.0.2 virtual-link 134.141.7.2
passive-interface
UsethiscommandtoenablepassiveOSPFonaninterface.
Syntax
passive-interface vlan vlan-id
no passive-ospf vlan vlan-id
Parameters
Defaults
None.
authentication‐key
key
Specifiesapasswordtobeusedbyneighborrouters.Validvaluesare
alphanumericstringsofupto8bytes.Neighborroutersonanetwork
musthavethesamepassword.
dead‐intervalseconds Specifiesthenumberofsecondsthatthehellopacketsofarouterare
notcommunicatedtoneighbor
routersbeforetheneighborrouters
determinethattheroutersendingthehellopacketisoutofservice.This
valuemustbethesameforallnodesattachedtoacertainsubnet,andit
isavaluerangingfrom1to8192.
hello‐intervalseconds Specifiesthenumberofsecondsbetweenhello
packetsonaninterface.
Thisvaluemustbethesameforallnodesattachedtoanetworkanditis
avaluerangingfrom1to8192.
retransmit‐
intervalseconds
Specifiesthenumberofsecondsbetweensuccessiveretransmissionsof
thesameLSAs.Validvaluesaregreaterthantheexpectedamountof

timerequiredfortheupdatepackettoreachandreturnfromthe
interface,andrangefrom1to8192.
transmit‐delayseconds Specifiestheestimatednumberofsecondsforalinkstateupdatepacket
ontheinterfacetobetransmitted.Validvaluesrangefrom1to8192.
vlan‐id SpecifiestheinterfaceonwhichtoenablepassiveOSPFmode.