From: Jim Brown (Jim.Brown@xxxxxxxxxxxxx)
Date: Thu Nov 29 2001 - 12:04:56 GMT-3
The real kicker is you must disable EIGRP split horizon on the interface of
an NBMA network. If you disable it on the interface this will not work. You
must use the no ipx split-horizon EIGRP <process ID> command. The no ipx
split horizon command doesn't mean squat to EIGRP.
In an NBMA network, you should use EIGRP or create tunnels for RIP. Without
the ability to disable split-horizon for RIP you will never pass all the
routing information out to the spokes.
Of course all the rule about subinterfaces and such apply to split horizon.
Just keep the NBMA thing in mind when using physical or multipoint
interfaces.
-----Original Message-----
From: Lopez, James [mailto:james.lopez@atosorigin.com]
Sent: Thursday, November 29, 2001 7:36 AM
To: 'McCallum, Robert'; 'Ccielab' (E-mail); Cisco@Groupstudy. Com (E-mail);
a bratchell; graham; john bermingham; jolash; kash; martin; nigel; paul
frost; peter norberg; phil
Subject: RE: Split Horizon and Frame
Robert,
For IPX RIP, it is my understanding that you can not turn off split horizon.
For IP on frame interfaces, split horizon is turned on automatically for
point to point interfaces but off by default for the physical and
multi-point interfaces.
some one please correct me if I am incorrect.
JL
-----Original Message-----
From: McCallum, Robert [mailto:Robert.McCallum@let-it-be-thus.com]
Sent: Thursday, November 29, 2001 8:03 AM
To: 'Ccielab' (E-mail); Cisco@Groupstudy. Com (E-mail); a bratchell; graham;
john bermingham; jolash; kash; martin; nigel; paul frost; peter norberg;
phil
Subject: Split Horizon and Frame
Folks,
Quick question just to make sure I have things correct in my head. Please
correct me if I'm wrong.
O.k.
FOR IPX every frame interface (physical, point, multipoint) split horizon is
enabled by default.
FOR IP physical frame interface split horizon is disabled and for point and
multipoint split horizon is enabled by default.
The above on ATM interfaces is it the same rules??
Cheers
Robert McCallum
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