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OSPF Configuration Mode Commands
▀ area virtual link authentication
▄ Cisco ASR 5000 Series Command Line Interface Reference
OL-22948-01
area virtual link authentication
This command configures the OSPF authentication method to be used by the virtual link between an area that cannot be
physically connected to the network backbone and an area that is physically connected to the network backbone.
physically connected to the network backbone and an area that is physically connected to the network backbone.
Product
PDSN, HA, GGSN
Privilege
Security Administrator, Administrator
Syntax
{
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}
{
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}
The IP address, in IPv4 dotted-decimal notation, of the transit area.
The identification number of the transit area. This must be an integer from 0 through 4294967295.
The router id, in dotted-decimal notation, of the ABR to be linked to.
Set the OSPF authentication type to use the message digest (MD) authentication method.
Set the OSPF authentication type to use no authentication, thus disabling either MD or clear text methods.
Set the OSPF authentication type to use the clear text authentication method.
Usage
Use this command to set the authentication method for a virtual link between an area that is connected to the
network backbone and an area that cannot be connected to the network backbone.
network backbone and an area that cannot be connected to the network backbone.
Example
The following command sets the authentication method for a virtual link between the OSPF areas defined by the IP
address
The following command sets the authentication method for a virtual link between the OSPF areas defined by the IP
address
and the IP address
to use no authentication:
area
virtual-link
null