Cisco IOS XR Configuration Manual page 81

Implementing Internet Key Exchange Security Protocol on Cisco IOS XR Software
Creating IKE Policies: Example
This example shows how to create two IKE policies with policy 15 as the highest priority, policy 20 as
the next priority, and the existing default priority as the lowest priority.
crypto isakmp policy 15
crypto isakmp policy 20
In the example, the encryption des of policy 15 would not appear in the written configuration because
this is the default value for the encryption algorithm parameter.
If the show crypto isakmp policy command is issued with this configuration, the output is as follows:
Protection suite priority 15
Protection suite priority 20
Default protection suite
Although the output shows "no volume limit" for the lifetimes, you can configure only a time lifetime
Note
(such as 86,400 seconds); volume-limit lifetimes are not configurable.
Configuring a service-ipsec Interface with a Dynamic Profile: Example
The following shows how to configure a service-ipsec interface with a dynamic profile:
ipv4 access-list acl1
10 permit ipv4 any any
!
interface service-ipsec1
ipv4 address 44.44.44.44 255.255.255.0
profile ipsec-profile1
tunnel source 100.0.0.1
service-location preferred-active 0/4/0
!
crypto isakmp
crypto isakmp policy 10
authentication pre-share
encryption 3des
hash md5
authentication rsa-sig
group 2
lifetime 5000
authentication pre-share
lifetime 10000
encryption algorithm:DES - Data Encryption Standard (56 bit keys)
hash algorithm:Message Digest 5
authentication method:Rivest-Shamir-Adelman Signature
Diffie-Hellman group:#2 (1024 bit)
lifetime:5000 seconds, no volume limit
encryption algorithm:DES - Data Encryption Standard (56 bit keys)
hash algorithm:Secure Hash Standard
authentication method:preshared Key
Diffie-Hellman group:#1 (768 bit)
lifetime:10000 seconds, no volume limit
encryption algorithm:DES - Data Encryption Standard (56 bit keys)
hash algorithm:Secure Hash Standard
authentication method:Rivest-Shamir-Adelman Signature
Diffie-Hellman group:#1 (768 bit)
lifetime:86400 seconds, no volume limit
Configuration Examples for Implementing IKE Security Protocol
Cisco IOS XR System Security Configuration Guide
SC-69