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Arche r D9
AC1900 Wireless Dual Band Gigabit ADSL2+ Modem Router User Guide
Click Show Advanced Settings and then you can configure the Advanced Settings. We
recommend you leave the Advanced Settings as default value.
Figure 4-23
Mode: Select Main Mode to configure the standard negotiation parameters for IKE phase1.
Select Aggressive Mode to configure IKE phase1 of the VPN Tunnel to carry out negotiation
in a shorter amount of time. (Not Recommended-Less Secure)
Note:
The difference between the two modes is that aggressive mode will pass more information in
fewer packets, with the benefit of slightly faster connection establishment, at the cost of
transmitting the identities of the security firewall in the clear. When using aggressive mode, some
configuration parameters such as Diffie-Hellman groups and PFS can not be negotiated, resulting
in a greater importance of having "compatible" configuration on both ends.
Key Life Time: Enter the number of seconds for the IPSec lifetime. It is the period of time to
pass before establishing a new IPSec security association (SA) with the remote endpoint. The
default value is 3600.
Note:
If you want to change the default settings of Advanced Settings, please make sure that both VPN
server endpoints use the same Encryption Algorithm, Integrity Algorithm, Diffie-Hellman Group
and Key Life time in both phase1 and phase2.
4.6 IPTV
Choose “IPTV”, and you will see the screen as shown in Figure 4-24.
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