IP Routing Features

Configuring OSPF

 

 

 

Syntax: show ip ospf

 

 

 

This screen has a lot of information, most of it already covered in other show

 

 

 

commands. The following table shows definitions for the fields:

 

 

 

Table 16-13. CLI Display of OSPF Route and Status Information

 

 

 

 

 

 

Field

 

Description

 

 

 

 

 

 

OSPF protocol

 

enabled or disabled – indicates if OSPF is currently enabled.

 

 

 

 

 

 

Router ID

 

The Router ID that this routing switch is currently using to identify

 

 

 

 

itself.

 

 

 

 

 

Currently Defined Areas:

 

 

 

 

 

 

Area ID

 

The identifier for this area.

 

 

 

 

 

 

Type

 

The type of OSPF area (normal or stub).

 

 

 

 

 

 

Stub Default

 

The metric for any default route we will inject into a stub area if we

 

Cost

 

are an ABR for the area. This value only applies to stub areas.

 

 

 

 

 

 

Stub Summary

 

send or don't send – indicates the state of the no-summary option for

 

LSA

 

the stub area. The value indicates if the area is “totally stubby” (no

 

 

 

 

summaries sent from other areas) or just “stub” (summaries sent).

 

 

 

 

Only applies to stub areas, and only takes effect if the routing switch

 

 

 

 

is the ABR for the area.

 

 

 

 

 

 

Stub Metric Type

 

This value is always ospf metric.

 

 

 

 

 

Currently defined address ranges:

 

 

 

 

 

 

Area ID

 

The area where the address range is configured.

 

 

 

 

 

 

LSA Type

 

This value is always Summary.

 

 

 

 

 

 

IP Network

 

The address part of the address range specification.

 

 

 

 

 

 

Network Mask

 

The mask part of the address range specification.

 

 

 

 

 

 

Advertise

 

Whether we are advertising (yes) or suppressing (no) this address

 

 

 

 

range.

 

 

 

 

 

 

 

 

 

 

 

 

N o t e

The remaining interface and virtual link information is the same as for the

 

 

 

previously described OSPF show commands.

 

 

 

 

 

 

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