NETGEAR GS748T User Manual

145
GS748T Smart Switch
To manage the ARP entries:
1. T
o move certain type of entries, select the type of entries to remove from the Remove
From Table menu. The choices listed specify the type of ARP Entry to be deleted:
• All Dyn
amic Entries
• All
Dynamic and Gateway Entries
• S
pecific Dynamic / Gateway Entry. Selecting this allows you to specify the required
IP address.
• S
pecific Static Entry.
• None. Select if
you do not want to delete any entry from the ARP Table.
2. If you se
lect Specific Dynamic/Gateway Entry or Specific Static Entry in the Remove
from Table list, you can enter the IP address of an entry to remove from the ARP table.
3. Click Canc
el to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
4. If you ch
ange any of the settings on the page, click Apply to send the updated configuration
to the switch.
The ARP Entry Statistic table displays the following information:
Field Description
Total Entry Count The total number of entries currently in the ARP table. The number includes both
dynamically learned entries and statically configured entries.
Peak Total
En
tries
The highest value reached by the Total Entry Count. This value is reset whenever the
ARP table Cache Size configuration parameter is changed.
Active Static
Entries
The total number of active ARP entries in the ARP table that were statically
configured. After a static ARP entry is configured, it might not become active until
certain other routing configuration conditions are met.
Configured Static
En
tries
The total number of static ARP entries that are currently in the ARP table. This
number includes static ARP entries that are not active.
Maximum Static
En
tries
The maximum number of static ARP entries that can be manually configured on in
the ARP table

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