Authentication (Ospf Virtual Link) - Cisco Nexus 3548 Command Reference Manual

authentication (OSPF virtual link)

authentication (OSPF virtual link)
To specify the authentication type for an Open Shortest Path First (OSPF) virtual link, use the
authentication command. To remove the authentication type for a virtual link, use the no form of this
command.
Syntax Description
key-chain key-name
message-digest
null
Command Default Defaults to password authentication if you configure authentication with none of the optional keywords.
Command Modes OSPF virtual link configuration mode
Command History Release
5.0(3)A1(1)
Usage Guidelines Use the authentication command in virtual link configuration mode to configure the authentication
method used on the virtual link. Use the message-digest keyword to configure MD5 message digest
authentication and use the message-digest-key command to complete this authentication configuration.
Use the key-chain keyword to configure password authentication using key chains and use the key chain
command to complete this authentication configuration. Use the authentication command with no
keywords to configure a password for the virtual link, and use the authentication-key command to
complete this authentication configuration.
This command requires the LAN Base Services license.
Examples This example shows how to enable message-digest authentication:
switch# configure terminal
switch(config)# router ospf 22
switch(config-router)# area 99 virtual-link 192.0.2.12
switch(config-router-vlink)# authentication message-digest
switch(config-router-vlink)# message-digest key 4 md5 0 abcd
Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
40
authentication [key-chain key-name | message-digest | null]
no authentication
Modification
This command was introduced.
(Optional) Specifies the key-chain to use. The key-name argument
can be any alphanumeric string up to 63 characters.
(Optional) Specifies to use message-digest authentication.
(Optional) Specifies no authentication is used. Disables
authentication if configured for an area.
Chapter Unicast Routing Commands
OL-27852-01