187
[RouterA-Ethernet1/1] ipsec policy map1
[RouterA-Ethernet1/1] quit
# Apply the shared source interface policy group to interface Ethernet 1/2.
[RouterA] interface ethernet 1/2
[RouterA-Ethernet1/2] ip address 4.4.4.4 24
[RouterA-Ethernet1/2] ipsec policy map1
[RouterA-Ethernet1/2] quit
# Configure interface Ethernet 1/3.
[RouterA] interface ethernet 1/3
[RouterA-Ethernet1/3] ip address 10.1.1.1 24
[RouterA-Ethernet1/3] quit
# Configure a static route to Host B.
[RouterA] ip route-static 10.1.2.0 255.255.255.0 ethernet 1/1 2.2.2.3
[RouterA] ip route-static 10.1.2.0 255.255.255.0 ethernet 1/2 4.4.4.5
# Configure a static route to interface Loopback 0 on Host B.
[RouterA] ip route-static 3.3.3.0 255.255.255.0 ethernet 1/1 2.2.2.3
[RouterA] ip route-static 3.3.3.0 255.255.255.0 ethernet 1/2 4.4.4.5
2. Configure Router B:
# Define an ACL to identify traffic from subnet 10.1.2.0/24 to subnet 10.1.1.0/24.
<RouterB> system-view
[RouterB] acl number 3101
[RouterB-acl-adv-3101] rule permit ip source 10.1.2.0 0.0.0.255 destination 10.1.1.0
0.0.0.255
[RouterB-acl-adv-3101] quit
# Configure an IPsec transform set named tran1.
[RouterB] ipsec transform-set tran1
[RouterB-ipsec-transform-set-tran1] encapsulation-mode tunnel
[RouterB-ipsec-transform-set-tran1] transform esp
[RouterB-ipsec-transform-set-tran1] esp encryption-algorithm des
[RouterB-ipsec-transform-set-tran1] esp authentication-algorithm sha1
[RouterB-ipsec-transform-set-tran1] quit
# Configure an IKE peer named peer.
[RouterB] ike peer peer
[RouterB-ike-peer-peer] pre-shared-key abcde
[RouterB-ike-peer-peer] remote-address 1.1.1.1
[RouterB-ike-peer-peer] quit
# Configure an IPsec policy named map1, specifying to use the IKE negotiation mode.
[RouterB] ipsec policy map1 10 isakmp
[RouterB-ipsec-policy-isakmp-map1-10] transform-set tran1
[RouterB-ipsec-policy-isakmp-map1-10] security acl 3101
[RouterB-ipsec-policy-isakmp-map1-10] ike-peer peer
[RouterB-ipsec-policy-isakmp-map1-10] quit
# Configure a loopback interface.
[RouterB] interface loopback 0
[RouterB-LoopBack0] ip address 3.3.3.3 32
[RouterB-LoopBack0] quit
# Configure IPsec policy group map1 as a shared source interface policy group.