15600 is one of the newer appliances and I have doubts it won't cope (wether HA or Single) with at least 300-400 VPN Tunnels at least. Other than that I think that the UPLINK capacity also matters and just assuming it isn't a limitation you really don't need to worry about those numbers.
SSL VPNs | Array Networks Enterprise. Array SSL VPN appliances allow enterprises to consolidate remote access for employees, partners, guests and other communities of interest on a single platform to minimize potential attack vectors, improve operational efficiency and provide a superior end-user experience. Drive productivity enterprise-wide, while keeping cost and complexity at a minimum. Cisco Secure Socket Layer (SSL) Appliances - Cisco Cisco SSL Appliances are also versatile enough to inspect SSL traffic in both inbound and outbound configurations and are available with a range of interface options. All include a programmable fail-open capability, traffic bypass filters, and configurable link state monitoring and mirroring. Where can I see the active SSL-VPN user status on Where can I see the active SSL-VPN user status on SonicWall Network Security appliance. Answer: The SSL VPN > Status page displays a summary of active NetExtender sessions, including the name, PPP IP address, physical IP address, login time, length of time logged in and logout time.
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