VPN
Setting Up a Remote Access Tunnel for VPN Clients (Client To Gateway)
Cisco Small Business RV0xx Series Routers Administration Guide
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Check the box to enable this feature, or uncheck the box to disable this
feature. This feature is recommended.
-
Preshared Key:
Enter a pre-shared key to use to authenticate the
remote IKE peer. You can enter up to 30 keyboard characters and
hexadecimal values, such as My_@123 or 4d795f40313233. Both ends
of the VPN tunnel must use the same Preshared Key. It is strongly
recommended that you change the Preshared Key periodically to
maximize VPN security.
-
Minimum Preshared Key Complexity:
Check the
Enable
box if you
want to enable the Preshared Key Strength Meter.
-
Preshared Key Strength Meter:
If you enable Minimum Preshared Key
Complexity, this meter indicates the preshared key strength. As you
enter a preshared key, colored bars appear. The scale goes from red
(weak) to yellow (acceptable) to green (strong).
TIP:
Enter a complex preshared key that includes more than eight
characters, upper- and lowercase letters, numbers, and symbols such as
-*^+=.
•
Advanced settings for IKE with Preshared Key
When the Keying Mode is set to IKE with Preshared Key mode, advanced
settings are available. For most users, the basic settings should suffice;
advanced users can click
Ad
to view the advanced settings. To
hide these settings, click
Advanced -
-
Aggressive Mode
(available for Tunnel, not Group VPN)
:
Two modes of
IKE SA negotiation are possible: Main Mode and Aggressive Mode. If
network security is preferred, Main Mode is recommended. If network
speed is preferred, Aggressive Mode is recommended. You can adjust
this setting if the Remote Security Gateway Type is
IP Only
or one of the
IP +
types. Check this box to enable Aggressive Mode, or uncheck the
box to disable Aggressive Mode and use Main Mode.
NOTE:
If the Remote Security Gateway Type is one of the
Dynamic IP
types, Aggressive Mode is required. The box is checked automatically,
and this setting cannot be changed.
-
Compress (Support IP Payload Compression Protocol (IP Comp))
: IP
Comp is a protocol that reduces the size of IP datagrams. Check the box
to enable the router to propose compression when it initiates a
connection. If the responders reject this proposal, then the router will not
implement compression. When the device works as a responder, it will