Juniper Networks SSG 20 - Manual (Page 23)

Connecting a Device to a Network „ 23
Connecting a Device to a Network
An SSG 20 device provides firewall and general security for networks when it is
placed between internal networks and the untrusted network. This section
describes the following:
„ Connecting a Device to an Untrusted Network
„ Connecting a Device to an Internal Network or a Workstation
Connecting a Device to an Untrusted Network
You can connect your SSG 20 device to an untrusted network in one of the following
ways:
„ Ethernet Ports
„ Serial (AUX/Console) Ports
„ Connecting Mini PIMs to an Untrusted Network
Figure 10 shows the SSG 20 with basic network cabling connections with two blank
mini-PIMs and the 10/100 Ethernet ports cabled as follows:
„ The port labeled 0/0 (ethernet0/0 interface) is connected to the untrust
network.
„ The port labeled 0/1 (ethernet0/1 interface) is connected to a workstation in the
DMZ security zone.
„ The port labeled 0/3 (brgoup0 interface) is connected to a workstation in the
Trust security zone.
„ The Console port is connected to a serial terminal for management access.
Figure 10: Basic Networking Example
AUX 0 / 0 10 /100 AUX 0 /0 10/100 0 /0 10/100 0/ 0 10 /100 0/ 0 10 /100
LI NK
STATUS
POWER PI M 2 PI M 1 b/g 802.11a
WLAN
SSG 20
1 2
Untrust
Zone
Trust
Zone
DMZ Console