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Firstly the wireless link will need to support 802.1q
trunking. Otherwise forget it.

Firstly - as well - you will need Advanced IP Services
feature set on the 870 to have support for
multiple vlans.



! I am dubious about config mode configuration of vlans
! on 870's so I use vlan database.

vlan database
vlan 255
exit

int vlan 1
ip address 172.16.0.0 255.255.254.0


int vlan 255
ip address 192.168.1.0 255.255.255.0

int fa 0
switchport access vlan 255

int fa 1
switchport access vlan 255

int fa 2
switchport access vlan 255

int fa 3
sw mode trunk ! or otherwise get trunking working.

! you will need to get the trunking mode the same on both ends of the
! link regarding trunk negotiation or otherwise.

I can imagine the wireless kit being "trunk transparent" or
"trunk knowledgable" - or of course "trunk impossible". You
will have to get support/info from the suppliers.


The non-cisco kit is up to you