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# Configure IPv4 advanced ACL 3101 to identify traffic between Switch A and Switch B.
[SwitchA] acl advanced 3101
[SwitchA-acl-ipv4-adv-3101] rule 0 permit ip source 1.1.1.1 0 destination 2.2.2.2 0
[SwitchA-acl-ipv4-adv-3101] quit
# Create an IPsec transform set named tran1.
[SwitchA] ipsec transform-set tran1
# Set the packet encapsulation mode to tunnel.
[SwitchA-ipsec-transform-set-tran1] encapsulation-mode tunnel
# Use the ESP protocol for the IPsec transform set.
[SwitchA-ipsec-transform-set-tran1] protocol esp
# Specify the encryption and authentication algorithms.
[SwitchA-ipsec-transform-set-tran1] esp encryption-algorithm des-cbc
[SwitchA-ipsec-transform-set-tran1] esp authentication-algorithm sha1
[SwitchA-ipsec-transform-set-tran1] quit
# Create an IKEv2 keychain named keychain1.
[SwitchA] ikev2 keychain keychain1
# Create an IKEv2 peer named peer1.
[SwitchA-ikev2-keychain-keychain1] peer peer1
# Specify peer IP address 2.2.2.2/24.
[SwitchA-ikev2-keychain-keychain1-peer-peer1] address 2.2.2.2 24
# Specify the peer ID, which is IP address 2.2.2.2.
[SwitchA-ikev2-keychain-keychain1-peer-peer1] identity address 2.2.2.2
# Specify abcde in plain text as the pre-shared key to be used with the peer at 2.2.2.2.
[SwitchA-ikev2-keychain-keychain1-peer-peer1] pre-shared-key plaintext abcde
[SwitchA-ikev2-keychain-keychain1-peer-peer1] quit
[SwitchA-ikev2-keychain-keychain1] quit
# Create an IKEv2 profile named profile1.
[SwitchA] ikev2 profile profile1
# Specify the local authentication method as pre-shared key.
[SwitchA-ikev2-profile-profile1] authentication-method local pre-share
# Specify the remote authentication method as pre-shared key.
[SwitchA-ikev2-profile-profile1] authentication-method remote pre-share
# Specify IKEv2 keychain keychain1.
[SwitchA-ikev2-profile-profile1] keychain keychain1
# Specify the peer ID that the IKEv2 profile matches. The peer ID is IP address 2.2.2.2/24.
[SwitchA-ikev2-profile-profile1] match remote identity address 2.2.2.2 255.255.255.0
[SwitchA-ikev2-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 remote IP address 2.2.2.2 for the IPsec tunnel.
[SwitchA-ipsec-policy-isakmp-map1-10] remote-address 2.2.2.2
# Specify ACL 3101 to identify the traffic to be protected.
[SwitchA-ipsec-policy-isakmp-map1-10] security acl 3101
# Specify IPsec transform set tran1 for the IPsec policy.
[SwitchA-ipsec-policy-isakmp-map1-10] transform-set tran1
# Specify IKEv2 profile profile1 for the IPsec policy.
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