C
HAPTER
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| IGMP Snooping
IGMP Snooping Setting
– 68 –
◆ Router Timeout — The time the switch waits after the previous
querier stops before it considers it to have expired. (Range: 60-600
seconds, Default: 125)
◆ Last Member Query Interval — The interval to wait for a response to
a group-specific or group-and-source-specific query message.
(Range: 1-25 seconds ; Default: 1 second)
◆ Robustness Variable — Specifies the robustness (or expected packet
loss) for interfaces. The robustness value is used in calculating the
appropriate range for other IGMP variables. (Range: 1-255; Default: 2)
◆ Host Timeout — The time the switch waits for an IGMP report from a
host for a multicast group. When IGMP reports are not received, host
ports are removed from the member list of that multicast group.
◆ Querier Election Time — The time the switch waits to receive IGMP
queries from other routers. If no queries are received, the switch itself
will become the querier (when enabled).
WEB INTERFACE
To configure IGMP Snooping global settings:
1. Click Configuration, IGMP Snooping, IGMP Snooping Setting.
2. Enable IGMP Snooping on the switch.
3. Modify other IGMP global settings as required.
4. Click Update.
Figure 20: IGMP Snooping Global Settings
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