LevelOne GTL-2691 - Manual (Page 1483)

C HAPTER 49 | IP Routing Commands
Open Shortest Path First (OSPFv2)
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auto-cost reference-
bandwidth
Use this command to calculate the default metrics for an interface based
on bandwidth. Use the no form to automatically assign costs based on
interface type.
S YNTAX
auto-cost reference-bandwidth reference-value
no auto-cost reference-bandwidth
reference-value - Bandwidth of interface. (Range: 1-4294967 Mbps)
C OMMAND M ODE
Router Configuration
D EFAULT S ETTING
1 Mbps
C OMMAND U SAGE
◆ The system calculates the cost for an interface by dividing the
reference bandwidth by the interface bandwidth. By default, the cost is
1 Mbps for all port types (including 100 Mbps ports, 1 Gigabit ports,
and 10 Gigabit ports).
◆ A higher reference bandwidth can be used for aggregate links to
indicate preferred use as a lower cost interface.
◆ The ip ospf cost command overrides the cost calculated by the auto-
cost reference-bandwidth command.
E XAMPLE
This example sets the reference value to 10000, which generates a cost of
100 for 100 Mbps ports, 10 for 1 Gbps ports and 1 for 10 Gbps ports.
Console(config-router)#auto-cost reference-bandwidth 10000
Console(config-router)#
R ELATED C OMMANDS
ip ospf cost (1496)