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no auto-summary
SecureStack C3 Configuration Guide 20-7
no auto-summary
Usethiscommandtodisableautomaticroutesummarization.
Syntax
no auto-summary
auto-summary
Parameters
None.
Defaults
None.
Mode
Routerconfiguration:C3(su)‐>router(Config‐router)#
Usage
Bydefault,RIPversion2supportsauto maticroutesummarization,whichsummarizes
subprefixestotheclassfulnetworkboundarywhencrossingnetworkboundaries.Disabling
automaticroutesummarizationenablesCIDR,allowingRIPtoadvertiseallsubnetsandhost
routinginformationontheSecureStackC3device.Toverifywhichroutesaresummarizedforan
interface,
usetheshowiproutecommandasdescribedin“showiproute”onpage19‐19.The
reverseofthecommandre‐enablesautomaticroutesum marization.Bydefault,RIPauto‐
summarizationaffectsbothRIPv1andRIPv2routes.
Example
ThisexampleshowshowtodisableRIPautomaticroutesummarization:
C3(su)->router(Config)#router rip
C3(su)->router(Config-router)#no auto-summary
split-horizon poison
Usethiscommandtoenableordisablesplithorizonpoison‐reversemodeforRIPpackets.Theno
formofthiscommanddisablessplithorizonpoisonreverse.
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.