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ZyAIR G-2000 Plus User’s Guide
79 
Chapter 6 Wireless Configuration and Roaming
Intra-BSS traffic is traffic between wireless stations in the BSS. When Intra-BSS is enabled, 
wireless station A and B can access the wired network and communicate with each other. 
When Intra-BSS is disabled, wireless station A and B can still access the wired network but 
cannot communicate with each other.
Figure 22   Basic Service set
6.1.3  ESS
An Extended Service Set (ESS) consists of a series of overlapping BSSs, each containing an 
access point, with each access point connected together by a wired network. This wired 
connection between APs is called a Distribution System (DS). An ESSID (ESS IDentification) 
uniquely identifies each ESS.  All access points and their associated wireless stations within 
the same ESS must have the same ESSID in order to communicate.