Layer 3 Routing Commands 1657
User Guidelines
The external LSDB limit MUST be set identically in all routers attached to
the OSPF backbone and/or any regular OSPF area.
Example
The following example configures the external LSDB limit for OSPF with the
number of non-default AS-external-LSAs set at 20.
console(config-router)#external-lsdb-limit 20
ip ospf area
The ip ospf area command enables OSPFv2 and sets the area ID of an
interface. This command supersedes the effects of network area command. It
can also configure the advertisability of the secondary addresses on this
interface into OSPFv2 domain. Use the “no” form of this command to
disable OSPFv2 on an interface.
Syntax
ip ospf area area-id [secondaries none]
no ip ospf area [secondaries none]
• area-id — The ID of the area (Range: IP address or decimal from 0 –
4294967295).
Default Configuration
OSPFv2 is disabled by default. No area id is configured by default.
Command Mode
Interface Configuration (VLAN) mode.
User Guidelines
There are no user guidelines for this command.
Example
console(config-if-vlan1)#ip ospf area 192.168.1.10
console(config-if-vlan1)#ip ospf area 3232235786
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