NETGEAR GS748T User Manual

114
GS748T Smart Switch
IGMP Snooping Table
Use the IGMP Snooping Table page to view all of the entries in the Multicast Forwarding
Database that were created for IGMP snooping.
To access the IGMP Snooping Table page, click Sw
itching Multicast  IGMP Snooping 
IGMP Snooping Table.
The following table describes the fields in the IGMP Snooping Table.
Field Description
MAC Address A multicast MAC address for which the swi
tch has forwarding and/or filtering
information. The format is 6 two-digit hexadecimal numbers that are
separated by colons, for example, 01:00:5e:45:67:89.
VLAN ID A VLAN ID for which the switch has fo
rwarding and filtering information.
Type This displays the type of the entry. Static entries are those that are
configured by the end user. Dynamic entries are added to the table as a
result of a learning process or protocol.
Description The text description of this multicast t
able entry. Possible values are
Management Configured, Network Configured, and Network Assisted.
Interface The list of interfaces that are designated
for forwarding (Fwd) and filtering
(Flt) for the associated address.
Use the buttons at the bottom of the page to perform the following actions:
• Click Clear t
o clear one or all of the IGMP Snooping entries.
• Click Refresh to reload th
e page and display the most current information.

NETGEAR GS748T Specifications

General

Basic switching RJ-45 Ethernet ports quantity	48
MAC address table	16000 entries
Packet buffer memory	1.632 MB
Maximum data transfer rate	1 Gbit/s
Latency	20 µs
I/O ports	48 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink on all ports) 4 SFP slots for fiber Gigabit Ethernet modules
Dimensions (WxDxH)	440 x 260 x 43 mm
Power requirements	100-240VAC 50/60 Hz
Networking features	10BASE-T, 100BASE-TX, 1000BASE-T
Connectivity technology	Wired
Full duplex	Yes
Networking standards	IEEE 802.3x
Minimum system requirements	Category 5 network cables Network card for each PC Network software (e.g., Windows)
Mean time between failures (MTBF)	69930 h
Safety	UL listed (UL 1950)/cUL, IEC950/EN60950
LED indicators	Link, Power
Power consumption (typical)	70 W
Storage temperature (T-T)	-10 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %

Weight and Dimensions

Weight	4000 g