Cisco 1700 Series Specifications Page 36

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Chapter2 Configuring Security Features
Configuring IP Security
2-2
Cisco 1700 Series Router Software Configuration Guide
78-5407-03
Command Task
Step1
crypto isakmp policy 10 Define an Internet Key Exchange (IKE)
policy, and assign the policy a priority. This
command places the router in IKE policy
configuration mode.
Step2
hash algorithm Specify the hash algorithm for the policy.
Step3
encryption encryption Specify the encryption for the policy.
Step4
authentication pre-share Specify pre-share key as the authentication
method.
Step5
exit Exit IKE policy configuration mode.
Step6
crypto isakmp key name address ip-address Configure a pre-share key and static IP
address for each VPN client.
Step7
crypto ipsec transform-set name
esp-encryption esp-hash algorithm-hmac
Define a combination of security associations
to occur during IPSec negotiations.
Step8
crypto mib ipsec flowmib history tunnel
size size
Set the size of the tunnel history table.
Step9
crypto mib ipsec flowmib history failure
size size
Set the size of the failure history table.
Step10
crypto map name local-address Ethernet 0 Specify and name an identifying interface to
be used by the crypto map for IPSec traffic
Step11
crypto map name seq-num ipsec-isakmp Create a crypto map entry in IPSec Internet
Security Association and Key Management
Protocol (ISAKMP) mode, and enter crypto
map configuration mode.
Step12
set peer ip-address Identify the remote IPSec peer.
Step13
set transform-set name Specify the transform set to be used.
Step14
set pfs [group1|group2] Specify use of the perfect forward secrecy
(pfs) option in IPSec. The variation group1 is
the default.
Step15
match address access-list-id Specify an extended access list for the crypto
map entry.
Step16
exit Exit crypto map configuration mode.
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