Cisco Nexus 3548

23
Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
OL-27852-01
Chapter Unicast Routing Commands
area authentication (OSPF)
area authentication (OSPF)
To enable authentication for an Open Shortest Path First (OSPF) area, use the area authentication
command. To remove authentication for an area, use the no form of this command.
area area-id authentication [message-digest]
no area area-id authentication [message-digest]
Syntax Description
Command Default No authentication
Command Modes Router configuration mode
Command History
Usage Guidelines Use the area authentication command to configure the authentication mode for the entire OSPF area.
The authentication type and authentication password must be the same for all OSPF devices in an area.
Use the ip ospf authentication-key command in interface configuration mode to specify this password.
If you enable MD5 authentication with the message-digest keyword, you must configure a password
with the ip ospf message-digest-key command in interface configuration mode.
This command requires the LAN Base Services license.
Examples This example shows how to configure authentication for area 0 of OSPF routing process 201:
switch# configure terminal
switch(config)# router ospf 201
switch(config-router)# area 0 authentication message-digest
switch(config-router)# interface ethernet 1/1
switch(config-if)# ip ospf area 0
switch(config)-if# ip ospf message-digest-key 10 md5 0 adcdefgh
switch(config-if)#
area-id Identifier for the OSPF area where you want to enable authentication. Specify
as either a positive integer value or an IP address.
message-digest (Optional) Enables Message Digest 5 (MD5) authentication on the area
specified by the area-id argument.
Release Modification
5.0(3)A1(1) This command was introduced.