
Open the Configuration menu, select Multicasting, and click IGMP Snooping Settings:
Figure 7-38. IGMP Control Setup window
To configure IGMP Snooping:
The following fields can be set:
| Parameter | Description | |
| VID | Allows the entry of the VLAN ID (VID) | |
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| for which IGMP Snooping is to be | |
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| configured. | |
| State <Disabled> | This field can be switched using the | |
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| and Enabled. This is used to enable | |
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| or disable IGMP Snooping for the | |
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| specified VID. | |
| Query | Allows the entry of a value between 1 | |
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| and 65535 seconds, with a default of | |
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| 125 seconds. This specifies the | |
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| length of time between sending IGMP | |
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| queries. | |
| Max Response | Sets the maximum amount of time | |
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| allowed before sending an IGMP | |
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| response report. A value between 1 | |
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| and 25 seconds can be entered, with | |
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| a default of 10 seconds. | |
| Robustness Var | A tuning variable to allow for sub- | |
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| networks that are expected to lose a | |
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| large number of packets. A value | |
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| between 2 and 255 can be entered, | |
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| with larger values being specified for | |
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| lose larger numbers of packets. | |
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