From: ejobson (ejobson@xxxxxxxxxxx)
Date: Thu Mar 30 2000 - 13:25:30 GMT-3
I wonder if someone could help me out with this:
I understand that the costs are calculated for OSPF by 100,000,000/bandwidth
which gives a standard ethernet connection a value of 10. A fast ethernet or
FDDI would be 1, so I guess a Gigabit link would also be 1. What attribute
would be used by default to ensure traffic took the 1000Mbps over the
100Mbps one, or is it just a limitation due to OSPF now being a bit dated? I
have heard a solution for this in the past but have since forgotten it.
Is it a case of manually setting the cost of all fast ethernet interfaces in
the network to say 5, as it doesn't seem possible to have a value higher
than 1.
Also is there any chance of Gigabit being used to confuse OSPF calculations
in the exam?
Thanks.
Eddie Jobson
Internetwork Solutions Engineer
Nevolutions UK Ltd. a division of
Total Network Solutions Inc.
7th Floor, Tower 42
The International Finance Centre
25 Old Broad Street
London
EC2N 1HN
Office +44 (0)171 877 1992
Fax +44 (0)171 877 1059
Mobile +44 (0)7867 505635
Email ejobson@tns-inc.com
Website http://www.tns-inc.com
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