About This Guide
The Juniper Networks Secure Services Gateway (SSG) 20 device is an integrated router and firewall platform that provides Internet Protocol Security (IPSec) virtual private network (VPN) and firewall services for a branch office or a retail outlet.
Juniper Networks offers two models of the SSG 20 device:
SSG 20, which supports auxiliary (AUX) connectivity
SSG
Both SSG 20 devices support universal serial bus (USB) storage and two mini physical interface module (PIM) slots that can hold any of the mini PIMs. The devices also provide protocol conversions between local area networks (LANs) and wide area networks (WANs).
NOTE: The configuration instructions and examples in this document are based on the functionality of a device running ScreenOS 5.4. Your device might function differently depending on the ScreenOS version you are running. For the latest device documentation, refer to the Juniper Networks Technical Publications website at http://www.juniper.net/techpubs/hardware. To see which ScreenOS versions are currently available for your device, refer to the Juniper Networks Support website at http://www.juniper.net/customers/support/.
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