Vpn Tunnel Configuration - NETGEAR N300 User Manual

tunnel request. Otherwise, the side using a dynamic IP address has to always be the
initiator.
• Which method will you use to configure your VPN tunnels?
- The VPN Wizard using VPNC defaults (see
the VPNC and Used in the VPN Wizard
- The typical automated Internet Key Exchange (IKE) setup (see
Configure VPN Tunnels
- A manual keying setup in which you need to specify each phase of the connection
(see Use Manual Policy to Configure VPN Tunnels
Table 5. Parameters Recommended by the VPNC and Used in the VPN Wizard
Parameter
Secure Association
Authentication Method
Encryption Method
Authentication Protocol
Diffie-Hellman (DH) Group
Key Life
IKE Life Time
• What level of IPSec VPN encryption will you use?
- DES. The Data Encryption Standard (DES) processes input data that is 64 bits wide,
encrypting these values using a 56-bit key. Faster but less secure than 3DES.
- 3DES. Triple DES achieves a higher level of security by encrypting the data three
times using DES with three different, unrelated keys.
• What level of authentication will you use?
- MD5. 128 bits, faster but less secure.
- SHA-1. 160 bits, slower but more secure.

VPN Tunnel Configuration

There are two tunnel configurations and three ways to configure them:
• Use the VPN Wizard to configure a VPN tunnel (recommended for most situations):
- See Set Up a Client-to-Gateway VPN Configuration
- See Set Up a Gateway-to-Gateway VPN Configuration
• See Use Auto Policy to Configure VPN Tunnels
its VPNC defaults are not appropriate for your special circumstances, but you want to
automate the Internet Key Exchange (IKE) setup.
N300 Wireless ADSL2+ Modem Router DGN2200v3
on page 125).
Factory Default Setting
Main Mode
Pre-Shared Key
3DES
SHA-1
Group 2 (1024 bit)
8 hours
1 hour
Virtual Private Networking
106
Table 5, Parameters Recommended by
on page 106).
on page 132)?
on page 107.
on page 117.
on page 125 when the VPN Wizard and
Use Auto Policy to