NETGEAR GS748T User Manual

123
GS748T Smart Switch
IGMP Snooping Querier VLAN Configuration
Use this page to configure IGMP queriers for use with VLANs on the network.
To access this page, click Switching
 Multicast  IGMP Snooping Querier  Querier VLAN
Configuration.
To configure Querier VLAN settings:
1. T
o create a new VLAN ID for IGMP Snooping, select New Entry from the VLAN ID field
and complete the following fields:
• VLAN ID. S
pecifies the VLAN ID for which the IGMP Snooping Querier is to be
enabled.
• Querier Elec
tion Participate Mode. Enable or disable Querier Participate Mode.
• Disa
bled. Upon seeing another querier of the same version in the VLAN, the
snooping querier moves to the non-querier state.
• Enabled. Th
e snooping querier participates in querier election, in which the least
IP address operates as the querier in that VLAN. The other querier moves to
non-querier state.
• Sno
oping Querier VLAN Address. Specify the Snooping Querier IP Address to be
used as the source address in periodic IGMP queries sent on the specified VLAN.
2. Click App
ly to apply the new settings to the switch. Configuration changes take effect
immediately
3. T
o disable Snooping Querier on a VLAN, select the VLAN ID and click Delete.
4. Click Canc
el to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
5. Click Refresh
to update the page with the latest information from the switch.

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