Well, as for the DECnet aspect I will give you the command at the
bottom of this reply. Split horizon in general would not need to be
turned of if you are using sub-interfaces. Quick recap on what
split-horizon is /does:
Split horison is used as a loop avoidance mechanism in distance vector
protocols. It says the the routet will not advertise a network out of
the same interface that teh router received the network info on: (e.g.
The router learned of network 222.222.222.0 on it's E0 interface, the
router process will not advertise it knows about that network back out
E0). This is usually A Good Thing (tm) and is in place for a reason.
It becomes an issue when you use frame relay without subinterfaces
sometimes (e.g The router learns of network 222.222.222.0 on s0 , from
router attached via DLCI 100, it will NOT advertise to the router on
DLC 200, also in S0, therefore the two remote routers would not know
about each others routes).
If you have sub-interfaces, the router process treats them as
different interfaces and split horizon will not ever come into play.
If you are NOT using sub-interfaces, then you can turn off split
horizon with :
no decnet split-horizon
on the serial interface itself.
Hope this helps
On 8 Jan 2001 23:19:40 -0500, [EMAIL PROTECTED] wrote:
>
> I have a question? why is it that I can't turn off split-horizon on a
>Multipoint sub frame-relay interface ( Hub Router ). I can only turn off
>Split-horizon on the serial interface it self?
>
> Can someone share with me a why to turn off split-horizon using Decnet on a
>Mulipoint frame-relay circuit?
>
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