Chapter 4. Web Configuration & Operation
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CHAPTER 4
WEB OPERATION & CONFIGURATION
QRI:
The Query Response Interval is the maximum amount of time that the IGMP router waits to receive a response to
a General Query message. The QRI applies when the switch is acting as the querier and is used to inform other devices
of the maximum time this system waits for a response to general queries. By default, RQI is set to 10 seconds. The
allowed range is 10 – 31744 tenths of a second.
LLQI:
The Last Listener Query Interval sets the interval that waits for a response to a group-specific or group-and-
source specific query message.
URI:
The Unsolicited Report Interval is the amount of time that the upstream interface should transmit unsolicited
IGMP reports when report suppression/proxy reporting is enabled. By default, URI is set to 1 second. The allowed
range for URI is 0 -31744 seconds.
4.3.11.1.3 Port Filtering Profile
The Port Filtering Configuration page is to filter specific multicast traffic on a per port basis. Before you select a
filtering profile for filtering purposes, you must set up profiles in IPMC Profile page.
Port:
The port number.
Filtering Profile:
Select the configured multicast groups that are denied on a port. When a certain multicast group is
selected on a port, IGMP join reports received on a port are dropped.
: Click the summary button to view details of the selected IPMC profile.
4.3.11.2 MLD Snooping
Multicast Listener Discovery (MLD) snooping, similar to IGMP snooping for IPv4, operates on IPv6 for multicast traffic.
In other words, MLD snooping configures ports to limit or control IPv6 multicast traffic so that multicast traffic is
forwarded to ports (or users) who want to receive it. In this way, MLD snooping can reduce the flooding of IPV6
multicast packets in the specified VLANs. Please note that IGMP Snooping and MLD Snooping are independent of each
other. They can both be enabled and function at the same time.
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