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DES-3550 Fast Ethernet Layer 2 Switch
table displays the last entry (highest sequence number) first.
Time
Displays the time in days, hours, and minutes since the Switch was last restarted.
Log Text
Displays text describing the event that triggered the history log entry.
IGMP Snooping Group
IGMP Snooping allows the Switch to read the Multicast Group IP address and the corresponding MAC address from
IGMP packets that pass through the Switch. The number of IGMP reports that were snooped is displayed in the Reports
field.
To view the IGMP Snooping Table, click IGMP Snooping Group in the Monitoring menu:
Figure 8- 17. IGMP Snooping Table
The user may search the IGMP Snooping Table by VLAN ID(VID) by entering the VID in the top left hand corner and
clicking Search.
The following field can be viewed:
Parameter Description
VLAN ID
The VLAN ID (VID) of the multicast group.
Multicast Group
The IP address of the multicast group.
MAC Address
The MAC address of the multicast group.
Queries
A read only field showing the status of the Querier State. Disabled implies that the
Switch is not transmitting IGMP Snooping Query packets, while Enabled means those
packets are being transmitted.
Reports
The total number of reports received for this group.
Port Map
These are the ports where the IGMP packets were snooped are displayed.
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