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area nssa
Syntax
[ no ] area { areaId | areaIdInt } nssa [ default-information-originate [ always
|
metric absoluteValue | metric-type
1 | metric-type 2 | route-map mapTag ]* ]
[ no-summary ]
Release Information
Command introduced before JUNOSe Release
7.1.0.
no-summary keyword
added in JUNOSe Release 7.2.0.
Description
Configures an area as an NSSA and controls generation
of type 7 default LSAs. NSSAs are similar to stub areas but have the
additional capability of importing AS external routes in a limited
fashion. The no version removes the specified
option for default-information-originate, removes default-information-originate,
or removes the NSSA designation from the area.
Options
-
areaId—OSPF area ID in IP
address format
-
areaIdInt—OSPF area ID as
a decimal value in the range 0–4294967295
- default-information-originate—Causes the generation
of a type 7 default LSA if a default route exists in the routing table.
- always—Creates the default route if it does not
exist
-
absoluteValue—Metric applied
to the generated type 7 default LSAs; ranges from 0–4294967295
- metric-type 1—Cost of the external routes is equal
to the sum of all internal costs and the external cost
- metric-type 2—Cost of the external routes is equal
to the external cost alone; this is the OSPF default
-
mapTag—String of up to 32 alphanumeric
characters that specifies a route map applied to the generated type
7 default LSAs
- *—Indicates that one or more parameters can be repeated
multiple times in a list in the command line
- no-summary—Restricts T3 summary LSAs from flowing
into the NSSA area (T7 external LSAs and T3 default route LSAs are
still injected into the area)
Router Configuration
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