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# Create an IKE keychain named keychain1.
[SwitchA] ike keychain keychain1
# Specify 12345zxcvb!@#$%ZXCVB in plain text as the pre-shared key to be used with the
remote peer at 2.2.3.1.
[SwitchA-ike-keychain-keychain1] pre-shared-key address 2.2.3.1 255.255.255.0 key
simple 12345zxcvb!@#$%ZXCVB
[SwitchA-ike-keychain-keychain1] quit
# Create and configure an IKE profile named profile1.
[SwitchA] ike profile profile1
[SwitchA-ike-profile-profile1] keychain keychain1
[SwitchA-ike-profile-profile1] match remote identity address 2.2.3.1 255.255.255.0
[SwitchA-ike-profile-profile1] quit
# Create an IKE-based IPsec policy entry. Specify the policy name as map1 and set the
sequence number to 10.
[SwitchA] ipsec policy map1 10 isakmp
# Specify ACL 3101.
[SwitchA-ipsec-policy-isakmp-map1-10] security acl 3101
# Specify IPsec transform set tran1.
[SwitchA-ipsec-policy-isakmp-map1-10] transform-set tran1
# Specify the local and remote IP addresses of the IPsec tunnel as 2.2.2.1 and 2.2.3.1.
[SwitchA-ipsec-policy-isakmp-map1-10] local-address 2.2.2.1
[SwitchA-ipsec-policy-isakmp-map1-10] remote-address 2.2.3.1
# Specify IKE profile profile1.
[SwitchA-ipsec-policy-isakmp-map1-10] ike-profile profile1
[SwitchA-ipsec-policy-isakmp-map1-10] quit
# Apply IPsec policy map1 to VLAN-interface 1.
[SwitchA] interface vlan-interface 1
[SwitchA-Vlan-interface1] ipsec apply policy map1
2. Configure Switch B:
# Configure an IP address for VLAN-interface 1.
<SwitchB> system-view
[SwitchB] interface vlan-interface 1
[SwitchB-Vlan-interface1] ip address 2.2.3.1 255.255.255.0
[SwitchB-Vlan-interface1] quit
# Configure an IPv4 advanced ACL to identify the data flows between Switch B and Switch A.
[SwitchB] acl advanced 3101
[SwitchB-acl-ipv4-adv-3101] rule 0 permit ip source 2.2.3.1 0 destination 2.2.2.1 0
[SwitchB-acl-ipv4-adv-3101] quit
# Create an IPsec transform set named tran1.
[SwitchB] ipsec transform-set tran1
# Specify the encapsulation mode as tunnel.
[SwitchB-ipsec-transform-set-tran1] encapsulation-mode tunnel
# Specify the security protocol as ESP.
[SwitchB-ipsec-transform-set-tran1] protocol esp
# Specify the ESP encryption and authentication algorithms.
[SwitchB-ipsec-transform-set-tran1] esp encryption-algorithm aes-cbc-192
[SwitchB-ipsec-transform-set-tran1] esp authentication-algorithm sha1
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