ZyXEL Communications GS3700 Series Guia do Utilizador descarregar pdf (Página 195)

Chapter 22 Multicast

GS3700/XGS3700 Series User’s Guide

195

22.4.2 MLD Snooping-proxy VLAN

Click the MLD Snooping-proxy link and then the VLAN link in the Advanced Application >

Multicast > IPv6 Multicast screen to display the screen as shown. See Section 22.1 on page 184

for more information on multicasting.

Figure 115 Advanced Application > Multicast > IPv6 Multicast > MLD Snooping-proxy > VLAN

The following table describes the labels in this screen.

Table 89 Advanced Application > Multicast > IPv6 Multicast > MLD Snooping-proxy > VLAN

LABEL DESCRIPTION

VID Enter the ID number of the VLAN on which you want to enable MLD snooping-proxy and

configure related settings.

Upstream

Query Interval Enter the amount of time (in miliseconds) between general query messages sent by the

router connected to the upstream port. This value should be exactly the same as what’s

configured in the connected multicast router.

This value is used to calculate the amount of time an MLD snooping membership entry

(learned only on the upstream port) can remain in the forwarding table.

When an MLD Report message is received, the Switch sets the timeout period of the entry

to be T = (QI*RV) + MRD, where T = Timeout, QI = Query Interval, RV = Robustness

Variable, and MRD = Maximum Response Delay.

Maximum

Response Delay

Enter the amount of time (in miliseconds) the router connected to the upstream port

waits for a response to an MLD general query message. This value should be exactly the

same as what’s configured in the connected multicast router.

This value is used to calculate the amount of time an MLD snooping membership entry

(learned only on the upstream port) can remain in the forwarding table.

When an MLD Report message is received, the Switch sets the timeout period of the entry

to be T = (QI*RV) + MRD, where T = Timeout, QI = Query Interval, RV = Robustness

Variable, and MRD = Maximum Response Delay.

When an MLD Done message is received, the Switch sets the entry’s lifetime to be the

product of Last Member Query Interval and Robustness Variable

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