From: Chuck Larrieu (chuck@xxxxxxxxxxxxx)
Date: Mon Nov 13 2000 - 20:30:00 GMT-3
Some good examples / instructions to be found in the Slattery / Burton book
Advanced IP Routing in Cisco Networks
Generally, the suggestion is [actual bandwidth] [estimated delay]
[reliability =255] [load=1] [actual MTU]
These are pretty much the default values that would be picked up normally
for IGRP, anyway.
On the OSPF side, the authors used a calculation called SWAG in their
example.
There are many more redistribution examples in this book, and I believe it
is well worth the money spent as part of your preparation strategy.
HTH
Chuck
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Moran, Ed
Sent: Monday, November 13, 2000 2:22 PM
To: 'ccielab@groupstudy.com'
Subject: Metrics and Route Redistribution
I am getting somewhat confused on metrics and route redistribution. When I
redistribute from one IGP an another I must define the metrics.
Example, From the reference point of the router with IGRP on S0 and OSPF on
S1. I want to redistribute IGRP into OSPF, so I define the metrics within
the OSPF configuration. Are these metrics in relation to the S0 side (what
the route has been through until the redistribution point) or the S1 side
(where the route is going to as it is redistributed)?
Also, how should I define the metrics? For an EIGRP route, for example, what
types of metrics should I use for the variables? (Bandwidth is obviuos, I
think; but what of delay and the others?) Can anyone tell me the MTUs for
different types of links or point me to a reference, as well as the other
metrics and what I should define them as? Thanks.
E A Moran
Sr. Network Engineer
CNE,MCSE,CCNP,CCDA
TeleCommunication Systems
813-831-6353
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