Configuring OSPF database-overflow
21-38 Routing Protocol Configuration
Defaults
•Ifmetricvalueisnotspecified,0willbeapplied.
•Iftypevalueisnotspecified,type2(externalroute)willbeapplied.
•Ifsubnetsisnotspecified,onlynon‐subnettedrouteswillberedistributed.
•Ifroute‐mapisnotspecified,nonewillbeapplied.
•Iftagisnotspecified,nonewillbe
applied.
Mode
Routerconfiguration:Matrix>Router(config‐router)#
Usage
The“no”formofthiscommandclearsredistributionparameters.
Example
Thisexampleshowshowtodistributeexternaltype2RIProutinginformationfromnon‐
subnettedroutesinOSPFupdates:
Matrix>Router(config)#router ospf
Matrix>Router(config-router)#redistribute rip
database-overflow
UsethiscommandtolimitthesizeofOSPFlinkstatedatabaseoverflow,aconditionwherethe
routerisunabletomaintainthedatabaseinitsentirety.
Syntax
database-overflow external {[exit-overflow-interval interval] [limit limit]
[warning-level level]}
no database-overflow external {[exit-overflow-interval interval] [limit limit]
[warning-level level]}
Parameters
Defaults
None.
external SpecifiestheLSAtypeasexternal(Type5.)
exit‐overflow‐
intervalinterval
Specifiesaninterval(inseconds)theOSPFlinkstatedatabasewillbe
checkedtodetermineiftheoverflowlimithasbeenreached.Valid
valuesare0‐86400.Defaultis0.
limitlimi t SpecifiesthepeaknumberofLSAs
acceptedbeforeoverflowoccurs.
Validvaluesare0‐4000.Defaultis0.
Note: Limit value must be greater than the warning-level value and set prior to it
since all defaults are 0.
warning‐levellevel SpecifiesthenumberofLSAsatwhichawarningofpendingoverflow
willbegenerated.Validvaluesare0‐4000.Defaultis0.
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