Command Reference Guide

302 ● transform 3Com Router 5000 Family and Router 6000 Family
Command Reference
The following figure illustrates the data encapsulation formats of different security
protocols in the transport mode and the tunnel mode. The data in this figure is the
original IP datagram.
Figure 1 Data encapsulation formats of security protocols)
Related Commands ■ ah authentication-algorithm
■ encapsulation-mode
■ esp encryption-algorithm
■ esp authentication-algorithm
■ ipsec proposal
■ proposal
Transfer
mode
Security
protocol
transport tunnel
ah
esp
ah-esp
IP AH
dat a
IP AH
dat a
IP
IP ES P
data
ESP-T
IP ESP
data
ESP-TIP
IP ESP
dat a
ESP-TAH IP ESP
dat a
ESP-TAH IP