Juniper JUNOSE 11.1.X - COMMAND REFERENCE N TO Z 4-6-2010 Command Reference Manual page 1256

JUNOSe 11.1.x Command Reference Guide N to Z
split-horizon
[ no ] split-horizon
Syntax
Command introduced before JUNOSe Release 7.1.0.
Release Information
Controls the split horizon and poison reverse features for RIP remote neighbors. Split
Description
horizon is enabled by default; poison reverse routing updates are disabled by default.
The no version disables the split horizon and enables poison reverse routing updates,
which set the metric for routes originating on the interface to infinity to explicitly
advertise that the network is unreachable, reducing the possibility of routing loops.
Remote Neighbor Configuration
Mode
1214
split-horizon