EIGRP Loopback metric Calculation

From: ccie2k4@gmail.com
Date: Tue Aug 14 2007 - 01:39:23 ART


Hello All, could someone please confirm what the metric of a locally
configured summary route would be based on. For eg: Say if I have a loopback
interface in the x.x.3.0/24 range and I am also receiving routes via eigrp
x.x.0.0/24, x.x.1.0/24, x.x.2.0/24 I see that the metric is a bit different.
Won't the eigrp metric be calculated based on the loopback interface since
it should have the lowest metric as its a local interface. So if the
bandwidth on the loopback interface is 8000000 and the delay is configured
on the loopback interface as 5 how come when doing a show ip eigrp topology
for 1.1.0.0 255.255.252.0 route I see that the minimum bandwidth is
10000000. Its completely changing the metric and I can't seem to tell why
its seeing the bandwidth as 10000000. Thanks for your help.



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