User Manual

Table Of Contents
Table 3. Phase 1 settings (Continued)
OptionsSetting
Main Mode. This mode is slower than the aggressive mode but more secure. This is
the default mode.
Aggressive Mode. This mode is faster than the main mode but less secure. This mode
is not available for IKE2.
Exchange Mode
Initiator/Responder Mode. The router can both initiate a connection to the remote
VPN router and respond to an IKE request from the remote VPN router. This is the
default mode.
Responder Mode. The router can respond to an IKE request from the remote VPN
router.
Negotiation Mode
The period in seconds for which the IKE security association (SA) is valid. When the
period times out, the next rekeying occurs. The default is 28800 seconds (8 hours).
The period can be between 600 and 604800 seconds.
SA Lifetime
Dead Peer Detection (DPD) is enabled by default.
When the router detects an IKE connection failure, it deletes the IPSec and IKE SA and
forces a reestablishment of the connection. Specify the detection period in the DPD
Interval field.
DPD
The period in seconds between consecutive DPD messages. The default is 10 seconds.
The period can be between 1 and 300 seconds.
DPD Interval
8.
In the Phase 2 Settings section, customize the settings as described in the following
table.
Table 4. Phase 2 settings
OptionsSetting
Authentication algorithmEncryption algorithmEncapsulation protocolProposal
(You can specify up
to four proposals.)
3desmd5esp (default and only
option)
aes128, aes192, or aes256
(default)
sha1 (default)
Note: The higher the SHA and AES versions, the more secure the exchange.
User Manual129Set Up VPN Connections
Insight Managed Business Router BR200