Wireless Access Point
The Command Line Interface
467
If you select all, the rules shown in
are added to the predefined filter
list named
Global
. These rules assume that you have station-to-station blocking
enabled, that a DHCP server is on the AP’s wired connection, and that you want
to block most all multicast and all broadcast traffic not vital to normal operation.
If you find that there is a particular type of multicast or broadcast traffic that you
want to allow, just add a specific allow filter for it before the deny filter in this list
that would normally block it. Add or delete any of the Multicast rules as
necessary for a specific site. Remember that the order of the rules is important.
Figure 215. Air Cleaner Filter Rules
Explanations of some sample rules are below.
Air-cleaner-Arp.1
blocks ARPs from one client from being transmitted to
clients via all of the radios. The station to station block setting doesn't
block this traffic, so this filter eliminates this unnecessary traffic.
Air-cleaner-Dhcp.1
drops all DHCP client traffic coming in from the
Gigabit interface. This traffic doesn't need to be transmitted by the radios
since there shouldn't be any DHCP server associated to the radios and
offering DHCP addresses. For large subnets the DHCP discover/request
broadcast traffic can be significant.
Air-cleaner-Dhcp.2
drops all DHCP server traffic coming in from the
radio interfaces. There should not be any DHCP server associated to the
Summary of Contents for XR Series
Page 1: ...August 11 2015 Release 7 5 Wireless Access Point User s Guide ...
Page 2: ......
Page 17: ...Wireless Access Point xiii Glossary of Terms 607 Index 619 ...
Page 18: ...Wireless Access Point xiv ...
Page 26: ...Wireless Access Point xxii List of Figures ...
Page 54: ...Wireless Access Point 28 Introduction ...
Page 120: ...Wireless Access Point 94 The Web Management Interface ...
Page 186: ...Wireless Access Point 160 Viewing Status on the Wireless AP ...
Page 434: ...Wireless Access Point 408 Configuring the Wireless AP ...
Page 535: ...Wireless Access Point Appendices 509 Appendices ...
Page 536: ...Wireless Access Point 510 Appendices Page is intentionally blank ...
Page 544: ...Wireless Access Point 518 ...
Page 588: ...Wireless Access Point 562 ...
Page 601: ...Wireless Access Point 575 Declaration of Conformity Brazil XR 1000 XR 2000 XR 4000 ...
Page 612: ...Wireless Access Point 586 ...
Page 624: ...Wireless Access Point 598 ...
Page 660: ...Wireless Access Point 634 Index ...
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