Redistribution, ip route profile, and detecting routing loops

From: Jeremy (jeremy19@cox.net)
Date: Sun Jul 17 2005 - 10:49:11 GMT-3


In configuring redistribution, I am concerned about detecting routing loops.
It appears that the ip route profile command allows you to track flapping
routes (and possible routing loops?) Can anyone clarify how I would use
this command, and its associated show commands to determine the source of a
routing loop.

I mayu be over-complicating this... Do I even need to worry about using
this command, or can I find these purely by looking at the routing protocol
diagram? I know that you can generally pick out potential routing loops
just by looking at the redistribution points on the routing protocol
diagram, and whether the protocols are link state vs. distance vector, but I
tend to do this based on what I've seen in the past rather than sound logic.
Does anyone have a more empirical way of locating potential routing loop
problems visually?

Doc-CD Link for "show ip profile"
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipr
rp_r/ind_r/1rfindp2.htm#wp1058095

TIA!

-Jeremy

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