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 11-16. 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 Cost The metric for any default route we will inject into a stub area if we are an ABR for the
area. This value only applies to stub areas.
Stub Summary
LSA
send or don't send – indicates the state of the no-summary option for 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.
Note The remaining interface and virtual link information is the same as for the
previously described OSPF show commands.
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