
Routing Protocol Configuration Command Set
Configuring OSPF
13-50
Matrix NSA Series Configuration Guide
13.2.3.16 area stub
Use this command to define an OSPF area as a stub area. This is an area that carries no external
routes.
area area-id stub
[
no-summary
]
Syntax Description
Command Syntax of the “no” Form
The “no” form of this command changes the stub back to a plain area:
no area area-id stub [
no-summary]
Command Type
Router command.
Command Mode
Router configuration:
Matrix>Router1(config-router)#
Command Defaults
If
no-summary
is not specified, the stub area will be able to receive LSAs.
Example
The following example shows how to define OSPF area 10 as a stub area:
area-id
Specifies the stub area. Valid values are decimal values or ip
addresses.
no-summary
(Optional) Prevents an Area Border Router (ABR) from
sending Link State Advertisements (LSAs) into the stub
area. When this parameter is used, it means that all
destinations outside of the stub area are represented by
means of a default route.
Matrix>Router1(config)#
router ospf 1
Matrix>Router1(config-router)#
area 10 stub