CLI Reference Guide

OSPF Commands 1225
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.
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
ip ospf authentication
Use the ip ospf authentication command in the Interface Configuration
mode to set the OSPF Authentication Type and Key for the specified
interface. Use the no form of the command to return the authentication type
to the default value.
Syntax
ip ospf authentication {none | {simple key } | {encrypt key key-id }}
2CSNXXX_SWUM200.book Page 1225 Tuesday, December 10, 2013 1:22 PM