Area Nssa - Enterasys SECURESTACK C3 Configuration Manual

Mode
Router OSPFv3 configuration: C3
Usage
Use this command to set the cost value for the default route that is sent into a stub area or NSSA
by an Area Border Router (ABR). The no form of this command removes the cost value from the
summary route that is sent into the stub area.
Example
This example sets the default route cost to 50 for area 20.
C3(su)->router(Config-router)# area 20 default-cost 50

area nssa

This command configures the specified area to function as a not so stubby area (NSSA).
Syntax
area areaid nssa
no area areaid nssa
Parameters
areaid
Defaults
None.
Mode
Router OSPFv3 configuration: C3(su)‐>router(Config‐router)#
Usage
An NSSA allows some external routes represented by external Link State Advertisements (LSAs)
to be imported into it. This is in contrast to a stub area that does not allow any external routes.
External routes that are not imported into an NSSA can be represented by means of a default
route. This configuration is used when an OSPFv3 internetwork is connected to multiple non‐
OSPF routing domains.
The no form of this command changes the NSSA back to a plain area.
Example
This example shows how to configure area 20 as an NSSA.
C3(su)->router(Config-router)# area 20 nssa
(su)->router(Config-router)#
Specifies the area ID in IP address format (dotted‐quad) or as a decimal
value.
SecureStack C3 Configuration Guide 25-11
area nssa