ZyXEL Communications Corporation VMG1312B10C Manuel D’Utilisation
Chapter 19 VPN
VMG1312-B10C User’s Guide
215
19.3 Technical Reference
This section provides some technical background information about the topics covered in this
section.
section.
19.3.1 IPSec Architecture
The overall IPSec architecture is shown as follows.
Figure 122
IPSec Architecture
IPSec Algorithms
The ESP (Encapsulating Security Payload) Protocol (RFC 2406) and AH (Authentication Header)
protocol (RFC 2402) describe the packet formats and the default standards for packet structure
(including implementation algorithms).
protocol (RFC 2402) describe the packet formats and the default standards for packet structure
(including implementation algorithms).
Authentication
Key
Enter the authentication key, which depends on the authentication algorithm.
MD5 - type a unique key 32 hexadecimal characters long
SHA1 - type a unique key 40 hexadecimal characters long
SPI
Type a unique SPI (Security Parameter Index) in hexadecimal characters.
The SPI is used to identify the Device during authentication.
The Device and remote IPSec router must use the same SPI.
Apply
Click Apply to save your changes.
Cancel
Click Cancel to restore your previously saved settings.
Table 92
IPSec VPN: Add
LABEL
DESCRIPTION