Routing Information Protocol Commands 1259
split-horizon
Use the split-horizon command in Router RIP Configuration mode to set the
RIP split horizon mode. Use the no form of the command to return the mode
to the default value.
Syntax
split-horizon {none | simple | poison}
no split-horizon
• none — RIP does not use split horizon to avoid routing loops.
• simple — RIP uses split horizon to avoid routing loops.
• poison — RIP uses split horizon with poison reverse (increases routing
packet update size).
Default Configuration
Simple is the default configuration.
Command Mode
Router RIP Configuration mode.
User Guidelines
This command has no user guidelines.
Example
The following example does not use split horizon.
console(config-router)#split-horizon none
2CSPC4.XCT-SWUM2XX1.book Page 1259 Monday, October 3, 2011 11:05 AM