Split Horizon

From: Giveortake@xxxxxxx
Date: Fri Jan 11 2002 - 01:25:05 GMT-3


   
Looking for help with clarification on Split Horizon when using point to
multipoint on sub interfaces...

It is my understanding that when you enable frame relay on a "Physical"
interface, it automatically disables split horizon. So when running the
below protocols, when do I need to make sure that split horizon is running vs
not running on sub interfaces in a point to multipoint enviornment.

RIP 1&2 ( I believe I want split horizon shut off)

EIGRP Off??

IGRP Off??

OSPF Off??

BGP off??

In its most basic form I thought that In a point-to-multipoint enviornment I
want it off all the time in order for routing updates to be sent back out the
same physical interface it was learned on. This leads me to think I need it
off all the time. The various labs I have looked at don't seem to be
consistant so I am in a quandry.

Any help on this one out there??



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