Mld Snooping Configuration Task List - 3Com Switch 4800G 24-Port Configuration Manual

Switch 4800g family 24-port, pwr 24-port, 48-port, pwr 48-port, 24-port sfp

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Product manual (13 pages)

Datasheet (8 pages)

Configuration manual (27 pages)

Table of Contents

Protocols and Standards

MLD Snooping

Configuration Task

sends an MLD multicast-address-specific query to that IPv6 multicast group

through the port that received the done message. Upon hearing the MLD

multicast-address-specific query, the switch forwards it through all its router ports

in the VLAN and all member ports for that IPv6 multicast group, and performs the

following to the receiving port:

If any MLD report in response to the MLD multicast-address-specific query is

heard on a member port before its aging timer expires, this means that some

host attached to the port is receiving or expecting to receive IPv6 multicast data

for that IPv6 multicast group. The switch resets the aging timer of the member

If no MLD report in response to the MLD multicast-address-specific query is

heard on a member port before its aging timer expires, this means that no

hosts attached to the port are still listening to that IPv6 multicast group

address. The switch removes the port from the outgoing port list of the

forwarding table entry for that IPv6 multicast group when the aging timer

MLD Snooping is documented in:

RFC 4541: Considerations for Internet Group Management Protocol (IGMP)

and Multicast Listener Discovery (MLD) Snooping Switches

Complete these tasks to configure MLD Snooping:

"Configuring Basic Functions of MLD

Snooping" on page 584

"Configuring MLD Snooping Port Functions"

"Configuring MLD Snooping Querier" on page