1130 OSPF Commands
ip ospf authentication
Use the ip ospf authentication command in the Interface C onfiguration
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

}}
no ip ospf authentication
• encrypt — MD5 encrypted authentication key.
•
key
— Authentication key for the specified interface. (Range: 8 bytes or
less if the authentication type is
simple
and 16 bytes or less if the type is
encrypt
.)
•
key-id
— Authentication key identifier for the authentication type
encrypt
. (Range: 0–25)
Default Configuration
This command has no default configuration.
Command Mode
Interface Configuration (VLAN) mode.
User Guidelines
Unauthenticated interfaces do not need an authentication key or
authentication key ID.
Example
The following example sets the OSPF Authentication Type and Key for VLAN
15.
console(config-if-vlan15)#ip ospf authentication
encrypt test123 100
2CSPC4.XCT-SWUM2XX1.book Page 1130 Monday, October 3, 2011 11:05 AM