A Commands

authentication (OTV)

To configure an authentication keychain string for edge device authentication, use the authentication command. To return to the default setting, use the no form of this command.

authentication key-chain keychain-name

no authentication key-chain keychain-name

Syntax Description

keychain-name

Authentication keychain. The maximum length is from 1 to 16 characters.

Command Default

None

Command Modes


OTV ISI VPN configuration mode

Command History

Release

Modification

5.0(3)

This command was introduced.

Usage Guidelines

The authentication command is used to assign a password in the authentication of a hello protocol data unit. Only one authentication key chain is applied to an Intermediate System-to-Intermediate System (IS-IS) interface at one time. If you configure a second authentication command, the first is overridden. You can specify authentication for an entire instance of IS-IS instead of at the interface level by using the authentication command.

This command requires a Transport Services license.

Examples

This example shows how to configure an authentication keychain string for edge device authentication: 

switch# configure terminal
switch(config)# otv-isis default
switch(config-router)# vpn name
switch(config-router-vrf)# authentication key-chain OTVKeys
switch(config-router-vrf)#

Related Commands

Command

Description

show otv isis

Displays the IS-IS status and configuration.

authentication-check (OTV)

To enable an authentication check of hello messages between Overlay Transport Virtualization (OTV) edge devices, use the authentication-check command. To return to the default setting, use the no form of this command.

authentication-check

no authentication-check

Syntax Description

This command has no arguments or keywords.

Command Default

Enabled

Command Modes


OTV ISIS VPN configuration

Command History

Release

Modification

5.0(3)

This command was introduced.

Usage Guidelines

The authentication-check command controls authentication checking on incoming hello protocol data units (PDUs).

This command requires a Transport Services license.

Examples

This example shows how to enable authentication of hello messages between OTV edge devices: 

switch# configure terminal
switch(config)# otv-isis default
switch(config-router)# vpn name
switch(config-router-vrf)# authentication-check
switch(config-router-vrf)#

Related Commands

Command

Description

show otv

Displays information about OTV.

authentication-type (OTV)

To configure the Overlay Transport Virtualization (OTV) authentication type, use the authentication-type command. To return to the default setting, use the no form of this command.

authentication-type { cleartext | md5 }

no authentication-type { cleartext | md5 }

Syntax Description

cleartext

Specifies the cleartext authentication method.

md5

Specifies Message Digest (MD5) authentication.

Command Default

Enabled

Command Modes


OTV ISIS VPN configuration

Command History

Release

Modification

5.0(3)

This command was introduced.

Usage Guidelines

Use the authentication-type command to configure the authentication type for hello protocol data units (PDUs) on an interface.

This command requires a Transport Services license.

Examples

This example shows how to specify cleartext authentication: 

switch# configure terminal
switch(config)# otv-isis default
switch(config-router)# vpn name
switch(config-router-vrf)# authentication-type cleartext
switch(config-router-vrf)#

This example shows how to specify Message Digest (MD5) authentication: 

switch# configure terminal
switch(config)# otv-isis default
switch(config-router)# vpn name
switch(config-router-vrf)# authentication-type md5
switch(config-router-vrf)#

Related Commands

Command

Description

show otv

Displays information about OTV.