H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 99)

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Figure 52 Inter-AC roaming
1. A station is associated with AP 1, which is connected to AC 1.
2. The station disassociates with AP 1 and roams to AP 2 connected to AC 2.
3. The station is associated with AP 2 through inter-AC roam association. Prior to inter-AC roaming,
AC 1 should synchronize the station information with AC 2 through an IACTP tunnel.
Intra-FA roaming
Figure 53 Intra-FA roaming
1. A station is associated with AP 1, which is connected to AC 1.
2. The station disassociates with AP 1 and roams to AP 2 connected to AC 2. Now AC 2 is the FA
for the station.