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VLANs are assigned.
x IGMP Snooping relates to the protocol IGMP. IGMP enables routers to create
lists of devices that are members of multicast groups. A multicast group might
consist of all users that want to see the company yearly meeting on video.
Video is a multicast application. IGMP snooping enables the switch to monitor
the flow of queries from the devices and the routers. IGMP snooping improves
the switches' performance by restricting the flow of multicast packets to only
those switch ports, which have devices receiving the multicast (video).
x IGMP Snooping Table Aging Time is the time the switch will maintain its
multicast group(s). It controls how frequently the switch expects to see
information from devices that stay members of multicast groups and process
leaving requests.
Switch Port Configuration
Figure 4-11. Port Administration in Switch Port Configuration Menu
The ports are divided and displayed in three separate pages. In the Port
Administrative Configuration menu, select the port to configure the characteristics
such as speed, flow control, and VLAN ID as well as the following features provided
with the system: