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Introduction
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SonicOS 5.8.1 Administrator Guide
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Virtual Access Points for SonicWALL TZ Wireless Platforms - The SonicWALL TZ 
100w, TZ 200w and TZ 210w platforms now support Virtual Access Points (VAPs). VAPs 
enable users to segment different wireless groups by creating logical segmentation on a 
single wireless radio.
  •
Wireless Bridging for SonicWALL TZ Wireless Platforms - The SonicWALL TZ 100w, 
TZ 200w and TZ 210w platforms now support Wireless Bridging, which provides the ability 
to extend a single wireless network across multiple SonicWALL wireless security 
appliances.
Key Features in SonicOS Enhanced 5.5
SonicOS Enhanced 5.5 and higher releases include the following key features:
  •
Wireless Layer 2 Bridge Mode - Security and ease of use continue to integrate with the 
addition of Layer 2 bridging between wired and wireless network segments. Wireless clients 
can now share the same subnet and DHCP pool as their wired counterparts.
  •
Guest Services for Wired Clients - SonicWALL User Guest Services has long provided 
network administrators with an easy solution for creating wireless guest passes and locked-
down Internet-only network access. With SonicOS 5.5, this functionality can be extended 
to wired users on the LAN, DMZ, or public/semi-public zone of your choice.
Key Features in SonicOS Enhanced 5.4
SonicOS Enhanced 5.4 and higher releases include the following key features:
  •
Anti-Spam - SonicOS Enhanced 5.4 provides support for the anti-spam and anti-phishing 
capabilities that are available in SonicWALL Email Security. 
Key Features in SonicOS Enhanced 5.3
SonicOS Enhanced 5.3 and higher releases include the following key features:
  •
3G Support for Wireless WAN - SonicOS Enhanced 5.3 expands support for WAN over 
3G (Third Generation) cellular connections. 
Key Features in SonicOS Enhanced 5.2
SonicOS Enhanced 5.2 and higher releases include the following key features:
  •
Apple Bonjour Support - SonicOS Enhanced 5.2 introduces support for Apple's Bonjour 
protocol (also known as Rendevous or zero-configuration networking). Bonjour enables 
automatic discovery of computers, devices, and services on IP networks without the need 
to enter IP addresses or configure DNS servers. 
  •
Apple iPhone Support - SonicOS Enhanced 5.2 supports L2TP termination from the Apple 
iPhone.
  •
Content Filtering Enhancements - The following enhancements have been added to 
SonicWALL Content Filtering Service (CFS):
  –
CFS Policy per IP Address - Appliances with SonicWALL CFS Premium can now 
assign specific CFS policies to ranges of IP address ranges. This provides the ability 
to segment CFS policies within a single zone.