Cisco does actually let you turn off split horizon for AppleTalk RTMP. I
don't think it is officially supported, but it does work. It's also not
officially supported by the AppleTalk specification (Inside AppleTalk).
So this got me wondering about IPX RIP. Of course, disabling split horizon
is not officially supported for IPX RIP, per Novell's specification. And
Cisco does not officially support turning it off either, but would the IOS
let you do it anyway?
The answer seems to be no on my routers running 11.0, but it would be worth
a try on a more recent router (if my husband would let me buy new
routers... ;-)
Albany#config t
Enter configuration commands, one per line. End with CNTL/Z.
Albany(config)#appletalk routing
Albany(config)#int e0
Albany(config-if)#apple cable 10-10
Albany(config-if)#apple zone noparking
Albany(config-if)#no apple rtmp split-horizon
Albany(config-if)#ipx routing
Albany(config)#int e0
Albany(config-if)#ipx network 10
Albany(config-if)#no ipx split-horizon
% Incomplete command.
Albany(config-if)#no ipx split-horizon ?
eigrp Enhanced Interior Gateway Routing Protocol (EIGRP)
Albany(config-if)#no ipx split-horizon eigrp
% Incomplete command.
Albany(config-if)#no ipx split-horizon eigrp ?
Autonomous system number
Albany(config-if)#no ipx split-horizon eigrp 10
Of course, as we all know, if you use EIGRP for AppleTalk or IPX, then you
can disable split horizon.
Priscilla
At 11:39 AM 9/10/01, Leigh Anne Chisholm wrote:
>I did a lot of research on that topic last year when I developed Sybex's
>CCNA Virtual Test Center. The following is an excerpt from that product:
>
>Split horizon can be disabled on a Frame Relay interface for some protocols,
>such as TCP/IP, but it cannot be disabled for protocols such as IPX (except
>when using EIGRP) and AppleTalk.
>
>
> -- Leigh Anne
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> > Phantom
> > Sent: Monday, September 10, 2001 12:45 AM
> > To: [EMAIL PROTECTED]
> > Subject: Question about split horizon & IPX [7:19232]
> >
> >
> > Hi
> >
> > I am studying for CCIE Written, one of my books say that you can't
disable
> > split horizon for IPX the other says you can. Which one of these
> > are correct
> > and for which routing protocols can I do it.
> >
> > Thanks for the help
> >
> > Pieter Jordaan
________________________
Priscilla Oppenheimer
http://www.priscilla.com
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=19294&t=19232
--------------------------------------------------
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
