Specifications

5-29
Filtering Traffic by Protocols
Filtering Traffic by Protocols
Using the AP Manager only, you can configure the AP to NOT forward specific protocol
traffic to the wireless network. This could reduce unnecessary traffic and increase the
network response time. However, filtering the wrong protocols can negatively affect the
operation of the network. When solving network problems, you should clear all filters.
To select the protocol to filter using the AP Manager, perform the following steps:
1. Click on the Filtering button in the main window to access the Filtering Dialog Box.
2. Click on the Protocol tab.
3. For a RoamAbout R2, select the slot (1 or 2).
4. Select the protocols to filter, as described in Table 5-4. Only the filters supported by
the selected AP are available. The filters are enabled when they are checked, meaning
that traffic of the protocol specified is NOT forwarded by the AP.
5. Click on OK to implement your change. The AP does not need to be reset.
If you select one or more protocols, the AP Manager applies those changes to ALL of the
APs selected in the Managed List field in the main window. The AP Manager prompts you
for confirmation before changing the parameters on multiple APs.
Table 5-4: Protocols to Filter
Protocol Description
IP V4 Does not forward IP version 4 packets carried in Ethernet V2 frames or IEEE 802.3
frames with Logical Link Control (LLC)/Subnetwork Access Protocol (SNAP)
headers. Also, the filter does not forward Address Resolution Protocol (ARP)
packets carried in Ethernet V2 frames.
IP is used in many environments, most notably UNIX networks and the Internet.
When enabled, IP, TCP/IP, and UDP/IP packets are not forwarded. This filter
should NOT be set if the AP is to be managed from a wireless node.
IPX Ethernet II Does not forward IPX packets carried in Ethernet V2 frames. Used primarily in
NetWare environments.
IPX - 802.2 Does not forward IPX packets carried in IEEE 802.3 frames with LLC headers.
Used primarily in NetWare environments.
NetBEUI Does not forward NetBEUI packets. Used primarily in Microsoft native
networking.
DECnet Does not forward DECnet packets carried in Ethernet V2 frames or in IEEE 802.3
frames with LLC/SNAP headers. DECnet packets are used primarily in DEC VMS
and related networking. If you do not plan to have DECnet clients, you should filter
all DECnet traffic.