Table 3: J-SRX100 Services Gateway ModelsModel NumberDevice TypeProduct NameJ-SRX100BLow MemoryJ-SRX100 Services GatewayJ-SRX100HHigh MemoryJ-SRX100 Services GatewayJ-SRX100SHigh MemoryNOTE: The J-SRX100S modelsupports up to 20 users, 4,000firewall sessions, and 20 IPsectunnels.J-SRX100 Services GatewayJ-SRX100SUHigh MemoryNOTE: The J-SRX100SU modelsupports an unlimited numberof users, 32,000 firewallsessions, and 128 IPsec tunnels.J-SRX100 Services GatewayNOTE: You can upgrade from a J-SRX100 Services Gateway Low Memoryversion to a High Memory version through a license key. You need not ordera separate High Memory device.All J-SRX100 Services Gateways run the Junos OS.Accessing the J-SRX100 Services GatewayTwo user interfaces are available for monitoring, configuring, troubleshooting, andmanaging the J-SRX100 Services Gateway:• J-Web interface: Web-based graphical interface that allows you to operate a servicesgateway without commands. The J-Web interface provides access to all JUNOSfunctionality and features.• JUNOS command-line interface (CLI): Command shell that runs on top of a UNIX-basedoperating system kernel. The CLI is a straightforward command interface. On a singleline, you type commands that are executed when you press the Enter key. The CLIprovides command Help and command completion.RelatedDocumentationJ-SRX100 Services Gateway Specifications on page 7•• J-SRX100 Services Gateway Features and Functions on page 5• Upgrading the J-SRX100 Services Gateway Low Memory Version to a High MemoryVersion on page 594PowerConnect J-SRX100 Services Gateway Hardware Guide