nssa

Syntax

nssa {area-range network/mask-length <restrict> <exact> <override-metric metric>;default-lsa {default-metric metric;metric-type type;type-7;}(no-summaries | summaries);}

Hierarchy Level

[edit logical-systems logical-system-name protocols (ospf | ospf3) area area-id],[edit logical-systems logical-system-name protocols ospf3 realm (ipv4-unicast | ipv4-multicast | ipv6-multicast)],[edit logical-systems logical-system-name routing-instances routing-instance-name protocols (ospf | ospf3) area area-id],[edit logical-systems logical-system-name routing-instances routing-instance-name protocols ospf3 realm (ipv4-unicast | ipv4-multicast | ipv6-multicast)],[edit protocols (ospf | ospf3) area area-id],[edit protocols ospf3 realm (ipv4-unicast | ipv4-multicast | ipv6-multicast)],[edit routing-instances routing-instance-name protocols (ospf | ospf3) area area-id],[edit routing-instances routing-instance-name protocols ospf3 realm (ipv4-unicast | ipv4-multicast | ipv6-multicast)]

Release Information

Statement introduced before Junos OS Release 7.4.

Statement introduced in Junos OS Release 9.0 for EX Series switches.

Support for the realm statement introduced in Junos OS Release 9.2.

Support for the realm statement introduced in Junos OS Release 9.2 for EX Series switches.

Description

Configure a not-so-stubby area (NSSA). An NSSA allows external routes to be flooded within the area. These routes are then leaked into other areas.

You cannot configure an area as being both a stub area and an NSSA.

The remaining statements are explained separately.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.