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How to set the OSPF reference bandwidth

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How to set the OSPF reference bandwidth

Postby admin » Sat May 05, 2012 5:52 am

If you have interfaces over 100 mbps, they will all have the same OSPF cost. OSPF will not know that a 10G interface is a higher speed then a 1G interface, or a 100mbps interface. You need to set this command on every router in the network running OSPF. This same command works on Cisco and Brocade devices.

In Router Configuration mode use the following command

auto-cost reference-bandwidth <BANDWIDTH>

<BANDWIDTH> = The largest bandwidth interface, Example, 10G interface would be 10000

Reference: ... rospf.html

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