Windows 2000 Default IKE Settings

Encryption

Authentication

DH Group

3DES

MD5

2

DES

SHA-1

1

DES

MD5

1

Windows XP Default IKE Settings

Encryption

Authentication

DH Group

3DES

SHA-1

2

3DES

MD5

2

DES

SHA-1

1

DES

MD5

1

Windows Vista Default IKE Settings

Encryption

Authentication

DH Group

AES-256

SHA-1

20

AES-128

SHA-1

19

3DES

SHA-1

14

3DES

SHA-1

2

To configure L2TP over IPsec on a Windows Vista client, follow these instructions.