Nssa Area - 3Com 3C13618 Command Reference Manual

Description
Using the import-route command, you can import routes for OSPF from other routing
domain. Using the undo import-route command, you can cancel importing routes for
OSPF.
By default, importing routes is disabled.
For related commands, see default import-route.
Example
# Specify the imported RIP route as external route type 2, and route tag as 33 and
rout cost as 50.
[3Com-ospf] import-route rip type 2 tag 33 cost 50

3.1.21 nssa area

Syntax
nssa area area_id [ default-route-advertise ] [ no-import-route ] [ no-summary ]
undo nssa area area_id
View
OSPF view
Parameter
area-id: Needed to be configured as the identification of NSSA area.
default-route-advertise: Type-7 LSA default route generated from NSSA area.
no-import-route: Not import Type-7 LSA exterior route to NSSA area.
No-summary: Not transmit summary LSA to NSSA area.
Description
Using the nssa area command, you can configure an area as NSSA area. Using the
undo nssa area command, you can cancel the configuration of NSSA area.
By default, configure no area as NSSA area.
default-route-advertise is used to generate the default Type-7 LSA. Default route
Type-7 LSA will be generated on ABR whether route 0.0.0.0 exists or not in the
routing table. Only when the route 0.0.0.0 exists in the routing table of the ABSR, shall
the default route Type-7 LSA be generated.
Routing Protocol
53