[Olsr-users] FIBMetric field in OLSRd 0.5.6-r2

[Bhat, Ishwara]

Hi,

 

Please tell what is FIB Metric - Forwarding Information Base Metric. I searched the old threads and found the description below. However I still could not follow it. 

 

Is this setting about the actual IP routing table content vis-à-vis the contents of OLSR's repository?

 

Thanks,

Ishwar

 

"""

On Fre, 2008-02-08 at 13:24 +0900, David Murray wrote:
[....]
> I just have a few questions about the configuration options in olsrd 5.5.
> 
> 1. What is the FIBMetric? Is FIB an acronym for (Forwarding Informatoin 
> Base)? What is the difference between flat, correct and approx.

Yes.
flat: every route gets "2" if the route is send to the kernel. This
avoids route changes just because the metric of a route changed and it
isn't necessary anyway.

correct: The metric on "ip route" is always the correct one.

approx: olsrd sets the correct metric but doesn't update because because
of route changes. So the metric value "ip route" is not necessarily
correct.

 

"""

 

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