Extreme Networks Altitude 4700 Series, Руководство по продукции

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Altitude 4700 Series Access Point Product Reference Guide
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To configure manual 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 Manual Key Exchange radio button and click the
Manual Key Settings button.
3 Configure the Manual Key Settings screen to modify the following:
NOTE
When entering Inbound or Outbound encryption or authentication keys, an error message could display
stating the keys provided are “weak”. Some WEP attack tools invoke a dictionary to hack WEP keys based on
commonly used words. To avoid entering a weak key, try to not to produce a WEP key using commonly used
terms and attempt to mix alphabetic and numerical key attributes when possible.
AH Authentication AH provides data authentication and anti-replay services
for the VPN tunnel. Select the required authentication
method from the drop-down menu:
• None— Disables AH authentication. The rest of the
fields are not active.
• MD5— Enables the Message Digest 5 algorithm
requiring 128-bit (32-character hexadecimal) keys.
• SHA1 —Enables Secure Hash Algorithm 1, requiring
160-bit (40-character hexadecimal) keys.