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1142 CHAPTER 76: OSPF CONFIGURATION COMMANDS
undo nssa
View OSPF area view
Parameters default-route-advertise: Usable on an NSSA ABR or an ASBR only. If it is
configured on an NSSA ABR, the ABR generates a default route in a Type-7 LSA
into the NSSA regardless of whether the default route is available. If it is
configured on an ASBR, only a default route is available on the ASBR can it
generates the default route in a Type-7 LSA into the attached area.
no-import-route: Usable only on an NSSA ABR that is also the ASBR of the OSPF
routing domain to disable redistributing routes in Type7 LSAs into the NSSA area,
making sure that routes can be redistributed correctly.
no-summary: Usable only on an NSSA ABR to advertise only a default route in a
Type-3 summary LSA into the NSSA area. In this way, all the other summary LSAs
are not advertised into the area. Such an area is known as an NSSA totally stub
area.
Description Use the
nssa command to configure the current area as an NSSA area.
Use the undo nssa command to restore the default.
By default, no NSSA area is configured.
All routers attached to an NSSA area must be configured with the nssa command
in area view.
Related commands: default-cost (OSPF area view).
Examples # Configure area1 as an NSSA area.
<Sysname> system-view
[Sysname] ospf 100
[Sysname-ospf-100] area 1
[Sysname-ospf-100-area-0.0.0.1] nssa
opaque-capability enable
Syntax opaque-capability enable
undo opaque-capability
View OSPF view
Parameters None
Description Use the
opaque-capability enable command to enable Opaque LSA
advertisement and reception. With the command configured, the OSPF device can
receive and advertise the Type 9, Type 10 and Type 11 opaque LSAs.