Chapter 39 Multicast
GS1920v2 Series User’s Guide
233
Click Add/Edit in the SWITCHING > Multicast > IPv6 Multicast > VLAN screen to display this screen.
Figure 162 SWITCHING > Multicast > IPv6 Multicast > VLAN > Add/Edit
The following table describes the fields in the above screen.
Table 114 SWITCHING > Multicast > IPv6 Multicast > VLAN > Add/Edit
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 is
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 is 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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