H3C Technologies H3C WX6000 Series Access Controllers - Manual (Page 340)

33-4
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.
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.
4) The station then disassociates with AP 2 and roams to AP 3 which is also connected to AC 2. The
station is associated with AP 3 through intra-FA roam association.
Inter-FA roaming
Figure 33-4 Inter-FA roaming
IP network
AC 1
AP 1 AP 3
Inter-AC
roaming
Inter-FA roam
association
IP network
AC 3
Fast-roam
association
IP network
AC 2
Inter-AC roam
association
Inter-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.
3) The station is associated with AP 2 through inter-AC roam association.
4) The station then disassociates with AP 2 and roams to AP 3 which is connected to AC 3, which now
is its FA. Prior to inter-AC roaming, AC 1 should synchronize the station information with AC 2 and
AC 3 through IACTP tunnels.