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Example 2: Single Proposal: Tun-
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Black Box1/configure/interface/bundle wan1> link t1 1
Black Box1/configure/interface/bundle wan1> encapsulation ppp
Black Box1/configure/interface/bundle wan1> ip address 172.16.0.1 24
Black Box1/configure/interface/bundle wan1> crypto untrusted
Black Box1/configure/interface/bundle wan1> exit
Step 2: Configure the Ethernet interface with trusted network type
Black Box1/configure> interface ethernet 0
message: Configuring existing Ethernet interface
Black Box1/configure interface/ethernet 0> ip address 10.0.1.1 24
Black Box1/configure/interface/ethernet 0> crypto trusted
Black Box1/configure/interface/ethernet 0> exit
Step 3: Display the crypto interfaces
Blackbox> show crypto interfaces
Interface Network
Name Type
--------- -------
wan1 Untrusted
ethernet0 trusted
Blackbox>
Step 4: Add route to peer LAN
Black Box1/configure> ip route 10.0.2.0 24 wan1
Step 5: Configure IKE to the peer gateway
Black Box1/configure> crypto ike policy Black Box2 172.16.0.2
Black Box1/configure/crypto/ike/policy Black Box2 172.16.0.2> local-address 172.16.0.1
message: Default proposal created with priority1-des-sha1-pre_shared-g1.
message: Key String has to be configured by the user.
Black Box1/configure/crypto/ike/policy Black Box2 172.16.0.2> key secretkey
Black Box1/configure/crypto/ike/policy Black Box2 172.16.0.2> proposal 1
Black Box1/configure/crypto/ike/policy Black Box2 172.16.0.2/proposal 1> encryption-algorithm
3des-cbc
Black Box1/configure/crypto/ike/policy Black Box2 172.16.0.2> proposal 1> exit
Black Box1/configure/crypto/ike/policy Black Box2 172.16.0.2> exit
Black Box1/configure/crypto/exit
Black Box1/configure>
Step 6: Display IKE policies
Blackbox> show crypto ike policy all
Policy Peer Mode Transform
------ ---- ---- ---------
Black Box 172.14.0.2 Main P1 pre-g1-3des-sha
Blackbox>
Step 7: Configure IPSec tunnel to the remote host
Black Box1/configure/crypto> ipsec policy Black Box2 172.16.0.2
Black Box1/configure/crypto/ipsec/policy Black Box2 172.16.0.2> match address 10.0.1.0 24
10.0.2.0 24
NOTE