Cisco 4G-LTE-ANTM-O-3 Installation Guide download pdf (Page 368)

100

101

SUMMARY STEPS

crypto isakmp policy priority

encryption {des | 3des | aes | aes 192 | aes 256}

hash {md5 | sha}

authentication {rsa-sig | rsa-encr | pre-share}

group {1 | 2 | 5}

lifetime seconds

exit

DETAILED STEPS

PurposeCommand or Action

Creates an IKE policy that is used during IKE negotiation. The

priority is a number from 1 to 10000, with 1 being the highest.

crypto isakmp policy priority

Example:

Router(config)# crypto isakmp policy 1

Step 1

Also enters the Internet Security Association Key and Management

Protocol (ISAKMP) policy configuration mode.

Specifies the encryption algorithm used in the IKE policy.encryption {des | 3des | aes | aes 192 | aes 256}

Step 2

Example:

Router(config-isakmp)# encryption 3des

The example specifies 168-bit data encryption standard (DES).

Specifies the hash algorithm used in the IKE policy.hash {md5 | sha}

Step 3

Example:

Router(config-isakmp)# hash md5

The example specifies the Message Digest 5 (MD5) algorithm. The

default is Secure Hash standard (SHA-1).

Specifies the authentication method used in the IKE policy.authentication {rsa-sig | rsa-encr | pre-share}

Step 4

Example:

Router(config-isakmp)# authentication

pre-share

The example specifies a pre-shared key.

Specifies the Diffie-Hellman group to be used in an IKE policy.group {1 | 2 | 5}

Example:

Router(config-isakmp)#group 2

Step 5

Specifies the lifetime, in seconds, for an IKE security association

(SA).

lifetime seconds

Example:

Router(config-isakmp)# lifetime 480

Step 6

•

Acceptable values are from 60 to 86400.

Cisco 800 Series Integrated Services Routers Software Configuration Guide

340 OL-31704-02

Configuring a VPN Using Easy VPN and an IPSec Tunnel

Configuring the IKE Policy

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Cisco 4G-LTE-ANTM-O-3 Installation Guide Page 368

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