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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-redistribution (OPTIONAL) Specify that the redistribute command does not distribute
routes into the NSSA. Only use this command in an NSSA area border router
(ABR).
default-
information-
originate
(OPTIONAL) Allows external routing information to be imported into the NSSA by
using Type 7 default.
no-summary (OPTIONAL) Specify that no summary LSAs should be sent into the NSSA.
Defaults Not configured.
Command Modes ROUTER OSPF
Supported Modes Full—Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
area range
Summarize routes matching an address/mask at an area border router (ABR).
Syntax
area area-id range ip-address mask [not-advertise]
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
Supported Modes Full—Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
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.
814 Open Shortest Path First (OSPFv2 and OSPFv3)