Technical information

Watson-SHDSL-Router-GUI-Manual.doc
Version 2.3-03
Watson SHDSL Router
Web-based Management Manual
Revision: 2012-02-29
8-61
Figure 8-66: Automatic Key Exchange Settings
Auto Reconnect The IPSec connection will reconnect automatically if discon-
nected for any reason.
Enable Dead Peer Detection Watson will detect whether the tunnel endpoint
has ceased to operate, in which case will terminate the connection. Note that this
feature will be functional only if the other tunnel endpoint supports it. This is deter-
mined during the negotiation phase of the two endpoints.
DPD Delay in Seconds The timeframe in which no traffic has passed through
the tunnel. After this timeframe, Watson will send a packet to test the tunnel end-
point, expecting a reply.
DPD Timeout in Seconds The timeframe Watson will wait for the test re-
ply, after which it will terminate the connection.
 IPSec Automatic Phase 1 – Peer Authentication
Mode Select the IPSec mode – either 'Main Mode' or 'Aggressive Mode'.
Main mode is a secured but slower mode, which presents negotiable propositions
according to the authentication algorithms that you select in the check-boxes. Ag-
gressive Mode is faster but less secured. When selecting this mode, the algorithm