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.

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3Com MSR 30, MSR 50 manual Opaque-capability enable, Undo nssa, Related commands default-cost Ospf area view