Allied Telesis Rapier 16Fi-FX Installationsanleitung PDF herunterladen (Seite 134)

40 add igmp filter Software Reference

Command Reference

This section describes the commands available on the switch to configure

IGMP for multicast group management, and the multicast routing protocols

PIM-SM (Protocol Independent Multicast - Sparse Mode) and PIM-DM

(Protocol Independent Multicast - Dense Mode).

add igmp filter

Syntax ADD IGMP FILter=filter-id GROupaddress={ipadd|ipadd-ipadd}

[MSGType={QUEry|REPort|LEAVe}] [ACtion={INCLude|

EXCLude}] [ENTry=1..65535]

where:

■ filter-id is a decimal number from 1 to 99.

■ ipadd is an IP address in dotted decimal notation.

Description This command adds an entry to an IGMP filter. IGMP filters control a port’s

membership of multicast groups by filtering incoming IGMP messages from

hosts attached to the port.

To take effect, the filter must be applied to a switch port by using the set switch

port command.

The filter parameter specifies the number of the filter to add the entry to. The

specified filter must have been created previously by using the create igmp

filter command.

The groupaddress parameter specifies an IP multicast group address or a

range of IP multicast group addresses to match. Set groupaddress to:

■ 0.0.0.0 to filter IGMP general query messages

■ a multicast address or a range of multicast addresses to filter IGMP group-

specific query messages, report messages, and leave messages.

The msgtype parameter specifies the type of incoming IGMP message to

match. If you specify query, the filter will match IGMP general and group-

specific query messages. If you specify report, the filter will match IGMP

report messages. If you specify leave, the filter will match IGMP leave

messages. The default is report.

The action parameter specifies the action to take when an IGMP message with

a message type matching msgtype and a group address matching

groupaddress is received. If you specify include, the message is processed as

normal by IGMP. If you specify exclude, the message is excluded from

processing by IGMP, and the packet is discarded. The default is include.

If an IGMP filter contains at least one entry for a particular IGMP message

type, then messages of the same type for group addresses that do not match

any entries in the filter are implicitly excluded and the packets are discarded.

The entry parameter specifies the position of the entry in the filter, and

identifies the entry in the filter. The specified entry number must not already be

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Allied Telesis Rapier 16Fi-FX Installationsanleitung Seite 134