Interesting RIPv2 scenario [7:115461] posted 11/08/2006
- Subject: Interesting RIPv2 scenario [7:115461]
- From: "tcom78 @hotmail.com" <tcom78@xxxxxxxxxxx>
- Date: Wed, 8 Nov 2006 22:25:24 -0500
Hey folks, an interesting RIPv2 scenario I came across.
Running RIPv2 between Router A and B. A is injecting a default route into
RIP by using the â??default-information originateâ?? command under the
process along with a route-map setting the metric to 15 in effort to prevent
B from further sending this default onto any other RIP speaker. A is also
redistributing OSPF into RIP with a route-map setting the metric to 10. A
also has a summary RIP route configured on its interface leading to B.
Iâ??ve discovered that setting the metric of 15 in the route-map
accompanying the injected default route will also affect the summary routes
configured at the interface level. However this does not affect the
redistributed OSPF routes.
So B receives all routesâ?¦..the default is a metric of 15 as expected, the
redistributed OSPF routes come in as a metric of 10 as expected but the
summary routes show up as 15. This prevents B from passing them on any
I confirmed this behavior by changing the metric in the route-map applied to
the default statement on the fly and the summary metrics change along with
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