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Cisco DPC2320 DOCSIS - Page 77

Cisco DPC2320 DOCSIS
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Configure Advanced Settings
4042831 Rev A 59
Field
Description
Phase 2 authentication
Allows you to select an authentication type for another level of
security. Select one of the following three authentication types:
MD5
SHA
Null (none)
You may choose any authentication type as long as the other end of
the VPN tunnel uses the same method.
Note: SHA is recommended because it is more secure.
Phase 2 SA lifetime
Allows you to enter the number of seconds for an individual rotating
key to last until a re-key negotiation between each endpoint occurs.
Smaller lifetimes are generally more secure since it would give a
hacker a smaller amount of time to try to crack the key. However,
key negotiation does take up bandwidth, so network throughput is
sacrificed with small lifetimes. The default setting for Phase 2 is 3,600
seconds.
Save Configuration to Server
Use the Setup Advanced Settings - Save Configuration to Server page to save the
gateway settings to a remote server in the network. When the gateway is rebooted or
reset, the gateway will automatically retrieve its configuration file and restore the
saved settings.

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