Alcatel-Lucent 6850-48 Reference Guide
OSPF Commands
OmniSwitch CLI Reference Guide
September 2009
page 41-25
• An NSSA (Not So Stubby Area) is similar to a stub area. However, where autonomous system (AS)
external routes cannot be imported into a stub area, an NSSA will allow the importing of some AS
external routes.
external routes.
• Area ranges, once created, are enabled by default. Classless Inter-Domain Routing (CIDR) can work
with OSPF to make route summarization more efficient. This is especially true for the summarization
of routes in the global database. OSPF area address ranges can be configured on area border routers
of routes in the global database. OSPF area address ranges can be configured on area border routers
Examples
-> ip ospf area 1.1.1.1 range summary 172.22.2.0 255.255.255.0
-> no ip ospf area 1.1.1.1 range summary 172.22.2.0 255.255.255.0
Release History
Release 6.1; command was introduced.
Related Commands
MIB Objects
ospfAreaAggregateTable
ospfAreaAggregateAreaId
ospfAreaAggregateLsdbType
ospfAreaAggregateNet
ospfAreaAggregateMask
ospfAreaAggregateEffect
ospfAreaAggregateStatus
Creates or deletes an OSPF area.
Creates or deletes an OSPF default metric.
Displays all or specified route summaries in a given area.