Default configuration, Command mode, User guidelines – Dell POWEREDGE M1000E User Manual

Page 1086: Example, Auto-cost, Syntax

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1086

OSPF Commands

Default Configuration

1 second is the default configuration.

Command Mode

Router OSPF Configuration mode.

User Guidelines

This command has no user guidelines.

Example

The following example configures a 40-second transmit-delay interval.

console(config-router)#area 10 virtual-link

192.168.2.2 transmit-delay 40

auto-cost

By default, OSPF computes the link cost of each interface from the interface

bandwidth. The link cost is computed as the ratio of a “reference bandwidth”

to the interface bandwidth (ref_bw / interface bandwidth), where interface

bandwidth is defined by the “bandwidth” command. Because the default

reference bandwidth is 100 Mbps, OSPF uses the same default link cost for all

interfaces whose bandwidth is 100 Mbps or greater. To change the reference

bandwidth, use the auto-cost command, specifying the reference bandwidth

in megabits per second. The different reference bandwidth can be

independently configured for OSPFv2 and OSPFv3.

Syntax

auto-cost reference-bandwidth

ref_bw

ref_bw

— The reference bandwidth in Mbps (Range: 1–4294967).

Default Configuration

The default reference bandwidth is 100 Mbps.

Command Mode

OSPFv2 or OSPFv3 Router Configuration mode.

2CSPC4.XModular-SWUM200.book Page 1086 Thursday, March 10, 2011 11:18 AM

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