Installation guide

Wireless Guide 131
Advanced Features for Wireless Analysis
Filters for 802.11 Packet Types
You can set filters on the wireless LAN error packet types listed and described
in Table 10-9.
Table 10-9. 802.11 Packet Types Available for Filtering
Family Packet Type Description
Management Association
Request
Stations send Association Requests to become associated with
access points.
Management Association
Response
Access points send Association Responses in response to
Association Requests from wireless stations.
Management Reassociation
Request
Stations send Reassociation Requests when they need to associate
with a new access point (for example, because they are out of range
of their old access point). This way, the new access point knows to
set up forwarding of traffic from the old access point.
Management Reassociation
Response
Access points send Reassociation Responses in response to
Reassociation Requests from wireless stations.
Management Probe Request Stations send Probe Requests to other stations or access points to
retrieve information (for example, to determine whether a given
access point is open for new associations).
Management Probe Response Stations and access points send Probe Responses containing
requested parameters in response to Probe Requests.
Management Beacon Access points send beacon packets at a regular interval to
synchronize timing between stations on the same network.
Management ATIM Stations send ATIMs immediately after a beacon packet
transmission to inform other stations that they have data to transmit
to them.
Management Disassociation Stations and access points send Disassociations to end
associations.
Management Authentication Stations and access points send Authentications to identify one
another securely.
Management Deauthentication Stations and access points send Deauthentications to end secure
communications with one another.
Management Association
Requests
Stations send Association Requests to become associated with
access points.
Control PS Poll PS Poll packets are sent by stations to inform other stations of time
windows during which they will not be transmitting.
Control RTS RTS packets are sent by stations to negotiate how a data frame will
be sent.