Chapter 22 Multicast
GS3700/XGS3700 Series User’s Guide
187
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
for more information on multicasting.
Figure 117
Advanced Application > Multicast > IPv6 Multicast > MLD Snooping-proxy > VLAN
The following table describes the labels in this screen.
Table 90
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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