User guide

Table Of Contents
SET UP
Page 38 User guide ref 9020009-01 UMTS GPRS EDGE router ref. RAS-3G
“Encryption and hash algorithm phase 1” & “Encryption and hash algorithm phase 2”
parameters :
That parameters allow to define the encryption and hash algorithms in use during the phase 1 of the
exchanges between the end-points (VPN set-up) and during the phase 2 (data exchange).
The default value is Auto; in that case both end-points will negotiate a common algorithm.
“DPD request period” parameters
:
A DPD request (also called Keepalive message) is a message sent periodically by each end-point to
the other one to make sure that the VPN must be left active.
This parameters sets the amount of time (in seconds) between two of these requests.
“Connection death time-out” parameters
:
This parameter defines the maximum amount of time (in seconds) a VPN connection will stay
established if no traffic or no DPD request message are received from the remote point.
ATTENTION : Once the parameters of the IPSEC connection have been selected, click the OK
button and then the Save button.