Technical Documentation

reference-bandwidth

Syntax

reference-bandwidth reference-bandwidth;

Hierarchy Level

[edit logical-systems logical-system-name protocols (ospf | ospf3)],[edit logical-systems logical-system-name protocols ospf3 realm (ipv4-unicast | ipv4-multicast | ipv6-multicast)],[edit logical-systems logical-system-name routing-instances routing-instance-name protocols (ospf | ospf3)],[edit logical-systems logical-system-name protocols ospf3 realm (ipv4-unicast | ipv4-multicast | ipv6-multicast)],[edit protocols (ospf | ospf3)],[edit protocols ospf3 realm (ipv4-unicast | ipv4-multicast | ipv6-multicast)],[edit routing-instances routing-instance-name protocols (ospf | ospf3)],[edit routing-instances routing-instance-name protocols ospf3 realm (ipv4-unicast | ipv4-multicast | ipv6-multicast)]

Release Information

Statement introduced before JUNOS Release 7.4.

Statement introduced in JUNOS Release 9.0 for EX Series switches.

Support for the realm statement introduced in JUNOS Release 9.2.

Support for the realm statement introduced in JUNOS Release 9.2 for EX Series switches.

Description

Set the reference bandwidth used in calculating the default interface cost. The cost is calculated using the following formula:

cost = ref-bandwidth/bandwidth

Options

ref-bandwidth—Reference bandwidth, in bits per second.

Default: 100 Mbps (100,000,000 bits)
Range: 9600 through 1,000,000,000,000 bits

Note: The default behavior is to use the reference-bandwidth value to calculate the cost of OSPF interfaces. You can override this behavior for any OSPF interface by configuring a specific cost with the metric statement.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.


Published: 2010-04-14