NETGEAR GS748T User Manual

112
GS748T Smart Switch
The following table displays information about the global IGMP snooping status and statistics
on the page.
Field Description
Multicast Control Frame
Co
unt
Displays the number of multicast control frames that have been processed
by the CPU.
Interfaces Enabled for IGMP
Sno
oping
Lists the interfaces currently enabled for IGMP Snooping. To enable
interfaces for IGMP snooping, see IGMP Snooping Interface Configuration
on page 112.
Data Frames Forwarded by
the CPU
Displays the number of data frames forwarded by the CPU.
VLAN Ids Enabled For IGMP
Sno
oping
Displays VLAN IDs enabled for IGMP snooping. To enable VLANs for IGMP
snooping, see IGMP Snooping VLAN Configuration on p
age 117.
VLAN Ids Enabled For IGMP
Snooping Querier
Displays VLAN IDs enabled for IGMP snooping querier.
IGMP Snooping Interface Configuration
Use the IGMP Snooping Interface Configuration page to configure IGMP snooping settings
on specific interfaces.
To access the IGMP Snooping Interface Configuration page, click Switching
 Multicast 
IGMP Snooping
 IGMP Snooping Interface Configuration.

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