3Com 3500 - Manual (Page 385)

bridge packetFilter unassign 385
Bridge Packet Filter Unassign Examples (3500)
The unassignment is from the transmit all ( txA ) paths on port 1.
Select menu option (bridge/packetFilter): unassign
Select filter {1|?} [1]: 1
Select bridge port [1]: 1
Select path(s) (txA,rxA|all|?) [txA,rxA]: txA