Nokia M1122 Administrator's Manual page 13

M1122 Administrator Manual
This mode of operation reduces the need to have more than one public
Internet address. Furthermore, it prevents others from seeing and
accessing your private network and therefore it acts as a simple
firewall.
Customer
premises
Figure 2-1
2-2
LAN
DSLAM
10Base-T
10Base-T
High-speed Internet access
E Copyright Nokia Networks Oy
ATM
network
RAN
Internet
Internet connection
C33906001SE_00