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Traffic/Security Filters

Filter Types and Operation

in this range will continue to be in effect unless IGMP learns of a multicast

group destination in this range. In this case, IGMP takes over the filtering

function for the multicast destination address(es) for as long as the IGMP

group is active. If the IGMP group subsequently deactivates, the static filter

resumes control over traffic to the multicast address.

Caution If Spanning Tree is enabled, then the Spanning Tree multicast MAC address

(0180c2-000000) should not be filtered. (STP will not operate properly if the

STP multicast MAC address is filtered.)

Protocol Filters (5300xl Only)

This filter type enables the switch to forward or drop, on the basis of protocol

type, traffic to a specific set of destination ports on the switch. Filtered

protocol types include:

■ AppleTalk ■ IP ■ SNA

■ ARP ■ IPX

■ DEC LAT ■ NetBEUI

Only one filter for a particular protocol type can be configured at any one time.

For example, a separate protocol filter can be configured for each of the

protocol types listed above, but only one of those can be an IP filter. Also, the

destination ports for a protocol filter can be on different VLANs.

You can configure up to seven protocol filters.

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HP ProCurve 3400cl-24G Access Security Guide

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