Page History

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1. Define the Networks 

   Code Block

   object-group network Remote_VPN network-object 10.10.10.0 255.255.255.0 network-object 10.20.20.0 255.255.255.0 object-group network Remote_Internal network-object 172.16.1.0 255.255.255.0 network-object 172.16.2.0 255.255.255.0 network-object 172.16.3.0 255.255.255.0 network-object 172.16.4.0 255.255.255.0 network-object 172.18.0.0 255.255.0.0 object-group network Remote_Combined group-object Remote_VPN group-object Remote_Internal

2. Create the Crypto Map ACL

3. Create the No-Nat ACL (Networks/hosts to which the packets should not be changed)
4. Apply the No-NAT
5. Create a Transform set
6. Create the Crypto Map
7. Enable isakmp on interface
8. Create isakmp policies
9. Create policy for Tunnel-Group (Site-Site hosts)
10. Apply Tunnel-Group and Attributes

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1. Code Block
   access-list outside_cryptomap_1 extended permit

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1. ip INTERNAL_NETWORK 255.255.255.0 object-group

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1. Remote_Combined

2. Create the No-Nat ACL (Networks/hosts to which the packets should not be changed)

   Code Block
   access-list VPNNONAT extended permit

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1. ip INTERNAL_NETWORK 255.255.255.0 object-group

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1. Remote_Combined

2. Apply the No-NAT

   Code Block
   nat (inside) 0 access-list VPNNONAT

3. Create a Transform set

   Code Block
   crypto ipsec transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac

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1. Create the Crypto Map

   Code Block
   crypto map MELONGCryptoMaps 1 match address outside_cryptomap_1

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1. crypto map MELONGCryptoMaps 1 set peer

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1. 1 crypto map MELONGCryptoMaps 1 set transform-set ESP-AES-256-SHA

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1. crypto map MELONGCryptoMaps

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1. interface outside

2. Enable isakmp on interface

   Code Block
   crypto isakmp enable outside

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1. Create isakmp

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1. policies (Note, the policy number is for priority. The highest number first, and then tries lower policies after)

   Code Block
   crypto isakmp policy 50 authentication pre-share encryption aes-256 hash sha group 2 lifetime 86400

2. Create policy for Tunnel-Group (Site-Site hosts)

   Code Block
   group-policy Site2Site internal group-policy Site2Site attributes vpn-tunnel-protocol IPSec l2tp-

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1. ipsec

2. Apply Tunnel-Group and Attributes

   Code Block
   tunnel-group

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1. 1 type ipsec-l2l

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1. tunnel-group

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1. 1 general-attributes

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1. default-group-policy Site2Site

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1. tunnel-group

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1. 1 ipsec-attributes

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1. pre-shared-key

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1. PASSWORD

Configure Split-DNS Resolution

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