Dynamix 4-Band VDSL CO/CPE Modem Uživatelský manuál stáhnout pdf (Strana 42)

Intelligent 4 Band VDSL 24 Ports Managed IP DSLAM USER’S MANUAL Ver. A.1

IP manages multicast traffic by using switches, routers, and hosts that support IGMP. Enabling IGMP allows the ports

to detect IGMP queries and report packets and manage IP multicast traffic through the switch. IGMP have three

fundamental types of message as follows:

Message Description

Query

A message sent from the carrier (IGMP router or switch) asking for a response from

each host belonging to the multicast group.

Report

A message sent by a host to the carrier to indicate that the host wants to be or is a

member of a given group indicated in the report message.

Leave

Group

A message sent by a host to the carrier to indicate that the host has quit to be a m

ember of a specific multicast group.

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Dynamix 4-Band VDSL CO/CPE Modem Uživatelský manuál Strana 42