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ESP Encryption
Algorithm
ESP Authentication
Algorithm
4 Click Ok to return to the VPN screen. Click Apply to retain the settings made on the Auto Key
Settings screen.
5 Click Cancel to return to the VPN screen without retaining the changes made to this screen.
Configuring IKE Key Settings
The Internet Key Exchange (IKE) is an IPsec standard protocol used to ensure security for VPN
negotiation and remote host or network access. IKE provides an automatic means of negotiation and
authentication for communication between two or more parties. In essence, IKE manages IPSec keys
automatically for the parties.
To configure IKE key settings for the access point:
1 Select Network Configuration > WAN > VPN from the access point menu tree.
2 Refer to the VPN Tunnel Config field, select the Auto (IKE) Key Exchange radio button and click the
IKE Settings button.
Altitude 4700 Series Access Point Product Reference Guide
Use this menu to select the encryption and authentication
algorithms for this VPN tunnel.
• DES—Selects the DES algorithm.No keys are required
to be manually provided.
• 3DES—Selects the 3DES algorithm. No keys are
required to be manually provided.
• AES 128-bit—Selects the Advanced Encryption
Standard algorithm with 128-bit. No keys are required
to be manually provided.
• AES 192-bit—Selects the Advanced Encryption
Standard algorithm with 192-bit. No keys are required
to be manually provided.
• AES 256-bit—Selects the Advanced Encryption
Standard algorithm with 256-bit. No keys are required
to be manually provided.
Use this menu to select the authentication algorithm to be
used with ESP. This menu is only active when ESP with
Authentication was selected for the ESP type.
• MD5—Enables the Message Digest 5 algorithm
requiring 128-bit. No keys are required to be manually
provided.
• SHA1—Enables Secure Hash Algorithm. No keys are
required to be manually provided.
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