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
Command
History
Version 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.
area stub
Configure a stub area, which is an area not connected to other areas.
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.
926
Open Shortest Path First (OSPFv2 and OSPFv3)