no auto-summary
SecureStack C3 Configuration Guide 20-7
no auto-summary
Usethiscommandtodisableautomaticroutesummarization.
Syntax
no auto-summary
auto-summary
Parameters
None.
Defaults
None.
Mode
Routerconfiguration:C3(su)>router(Configrouter)#
Usage
Bydefault,RIPversion2supportsautomaticroutesummarization,whichsummarizes
subprefixestotheclassfulnetworkboundarywhencrossingnetworkboundaries.Disabling
automaticroutesummarizationenablesCIDR,allowingRIPtoadvertiseallsubnetsandhost
routinginformationontheSecureStackC3device.Toverifywhichroutesaresummarizedforan
interface,usetheshowiproutecommandasdescribedinshowiprouteonpage1919.The
reverseofthecommandreenablesautomaticroutesummarization.Bydefault,RIPauto
summarizationaffectsbothRIPv1andRIPv2routes.
Example
ThisexampleshowshowtodisableRIPautomaticroutesummarization:
C3(su)->router(Config)#router rip
C3(su)->router(Config-router)#no auto-summary
split-horizon poison
UsethiscommandtoenableordisablesplithorizonpoisonreversemodeforRIPpackets.Theno
formofthiscommanddisablessplithorizonpoisonreverse.
Syntax
split-horizon poison
no split-horizon poison
Parameters
None.
Defaults
None.
Note: This command is necessary for enabling CIDR for RIP on the SecureStack C3 device.