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Chapter 6 Using Multicast Manager 135

Using Optivity Switch Manager, Release 1.1.0.0

Sender tab

The Sender tab (Figure 61) displays information about the IGMP Snoop sender

device.

Expiration Time left until this member is aged out. This value is

derived from the Robust Value, MaxResponse Time value,

and Query Interval. The Query Max Response Interval

(obtained from the Queries received) is used as the timer

resolution. Increasing the Robust Value also increases the

expiration value.

Type Static or dynamic:

• Static membership is configured by the user using the

Multicast Static window.

• Dynamic membership is what the switch learned from

receiving group reports.

An entry can change from static to dynamic if the switch

learns of a membership dynamically through a static port.

In this case, the entry is not deleted when the expiration

value goes to zero; instead, its type goes back to “static.”

Table 40 Receiver tab fields (continued)

Field Description

1 2 ... 130 131 132 133 134 135 136 137 138 139 140 ... 191 192

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