To disable route summarization, use the no area area-id range ip-address
mask command.
Parameters
area-id
Specify the OSPF area in dotted decimal format (A.B.C.D.) or enter a
number from zero (0) to 65535.
ip-address
Specify an IP address in dotted decimal format.
mask
Specify a mask for the destination prefix. Enter the full mask (for
example, 255.255.255.0).
not-advertise (OPTIONAL) Enter the keywords not-advertise to set the status
to DoNotAdvertise (that is, the Type 3 summary-LSA is suppressed
and the component networks remain hidden from other areas.)
Defaults Not configured.
Command Modes ROUTER OSPF
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Added support for the Multi-Process OSPF.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.1
Introduced on the E-Series.
Usage
Information
Only the routes within an area are summarized, and that summary is advertised to other areas
by the ABR. External routes are not summarized.
Related
Commands
area stub – creates a stub area.
router ospf – enters ROUTER OSPF mode to configure an OSPF instance.
area stub
Configure a stub area, which is an area not connected to other areas.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
area area-id stub [no-summary]
To delete a stub area, use the no area area-id stub command.
Parameters
area-id
Specify the OSPF area in dotted decimal format (A.B.C.D.) or enter a
number from zero (0) to 65535.
no-summary (OPTIONAL) Enter the keywords no-summary to prevent the ABR
from sending summary Link State Advertisements (LSAs) into the stub
area.
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