crypto isakmp key

This command, when used in global configuration mode, configures a preshared authentication key. To delete a preshared authentication key, use the no form of this command.

Syntax

crypto isakmp key <key-string> address <peer-address-FQDN>
no crypto isakmp key <key-string> address <peer-address-FQDN> 

Command

Description

<key-string>

Specifies the preshared key. Use any combination of alphanumeric characters up to 20 bytes. This preshared key must be identical at both peers.

address

Use this keyword if the remote peer Internet Security Association Key Management Protocol (ISAKMP) identity was set with its IP address or FQDN.

peer-address

Specifies the IP address or FQDN of the remote peer.

Default

There is no default preshared authentication key.

Command Mode

crypto isakmp key are defined in enabled configuration mode.

Example

This example defines a key to a peer ip.

(config-data)# crypto isakmp key 123456 address 100.100.100.2