From: David Ankers (d.ankers@xxxxxxxxx)
Date: Tue Oct 10 2000 - 18:25:30 GMT-3
Split horizon will always be in effect. A route will *never* be advertised
out of an interface it was learnt on unless poison reverse is used and then
it''l be advertised as 16 hops (infinity) - bad news is better than no
news...
I *guess* you are getting mixed up with holdtime timers which are only in
effect for 3 (?) times the update interval.. I think disabling split-horizon
solved the problem as the other router(s) you wanted to update to were on the
same interface as the first ? Maybe you're glad you got them mixed up now :-)
Regards,
Dave.
On Tuesday 10 October 2000 23:15, you wrote:
> > Yesterday I moved routing of one subnet from a Bay Router over to an RSM
on
> a Cisco 5505. I used a secondary IP address, since they have no VLANs set
> up yet, to provide connectivity for routing of both subnets (192.168.25.0
> and 192.168.24.0).
>
> Here's the question, how long does split horizon stay in effect for RIP
> version 2? After I moved the 192.168.24.0 network over to the RSM, the
> network was not being propagated to the rest of the routers on this
> customer's network. The problem was that 192.168.24.0 was originally being
> advertised by the Bay (192.168.25.1). So the interface on the RSM would not
> advertise the network even after it was off the Bay because it had
> originally received it from another source.
>
> Today, a full day later, the route still won't go out. So I disabled
> split-horizon and now it works.
>
> Tony
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