Airlive IGR-2500 User Manual
IGR-2500
Five-WAN Internet Gateway
ufficiently wide bandwidth is always needed
for cyber café, medium office, or Internet
S
on-line game room, but it will cost more to use
a specific Internet connection with the wide
bandwidth. Now AirLive presents you the IGR
series product – AirLive IGR-2500, which allows
you to achieve the same bandwidth requirement
at a lower cost by combining several internet
connections with narrower bandwidths. It has
4 WAN ports and one changeable DMZ port, so
the total useful WAN ports can be up to 5. With
a high performance CPU, IGR-2500 can handle
around 300 ~ 400 computers and provide stable and versatile connecting
quality as well. With load balance functions, there is no more worry for the Internet connection
needed.
Maximum
5 WANs
Outbound
Load Balance
Inbound
Load Balance
Ultra
Smart sharing
QoS DoS
ARP
Protection
Hardware
DMZ
Multi-NAT
Generally, the Multi-WAN devices provide only Outbound Load Balance, but AirLive IGR-2500 also
features Inbound Load Balance that redistributes access traffic from Internet users to LAN server via
different WAN connections—to increase the usable bandwidth and to avoid Internet traffic jam.
AirLive presents you two different models of Multi-WAN Internet Gateway, IGR-1500 and IGR-2500.
Both devices feature multiple WAN connection and load balance function. Each of the two models also
has its own characteristics as shown:
Model Name IGR-1500 IGR-2500
CPU
RAM / Flash
Max. WAN Interface
Inbound / Outbound
Load Balance
Ultra Smart Sharing
QoS
Work Mode
Intrusion Security
ARP Protection
IM Blocking
Max. Computers
Cavium CPU 150MHz Intel IXP 425 533Mhz
16 M / 2 M 128 M / 4M
4 Up to 5
Yes Yes
Yes Yes
Yes Yes
Gateway, Router,
Basic NAT
Yes Yes
No Yes
No Yes
80 ~ 100 300 ~ 400
Gateway
ADSL
Modem
Multiple WAN connection
Internet
ADSL
Modem
ADSL
Modem
ADSL
Modem
ADSL
Modem
IGR-2500
5F, No.96, Min-ChuanRd, Hsin-tien City, Taipei, Taiwan
Multiple WAN Connections
Up to 5 WAN connections are supported with IGR-2500. As a result, the network constructer can
easily combine many ADSL or cable connections to increase the total bandwidth.
Outbound Load Balance
The Outbound Load Balance function can increase the useful bandwidth and prevent network
bottleneck. With various types of the balance mode (Session, Weighted Round Robin, and Dynamic
Traffic) to choose from, the user can enlarge the useful bandwidth quite easily without expensive charge.
Inbound Load Balance
User
1 2 3 4 5 6 7 8 9 0
ADSL
ADSL
Modem
Modem
1 2 3 4 5 6 7 8 90
1 2 3 4 5 6 7 8 9 0
ADSL
Modem
Internet
ADSL
Modem
Server
ADSL
Modem
IGR-2500
Outbound Load Balance
Internet
ADSL
ADSL
ADSL
ADSL
Modem
Modem
1 2 3 4 5 6 7 8 90
1 2 3 4 5 6 7 8 9 0
Modem
Modem
User
ADSL
Modem
IGR-2500
1 2 3 4 5 6 7 8
ADSL
Modem
1 2 3 4 5 6 78
1 2 3 4 5 6 7 8
ADSL
ADSL
Modem
Modem
32K
64K 512K
Ultra Smart Sharing
Internet
ADSL
ADSL
Modem
Modem
Bandwidth Manager
Internet
ADSL
Modem
64K
128K
64K
ADSL
Modem
ADSL
Modem
User
1M
Online Game
ADSL
Modem
IGR-2500
ADSL
Modem
IGR-2500
512K2M1M
Server
Inbound Load Balance
Inbound Load Balance feature not only redistributes the incoming packets evenly to LAN server but
also provides the fail-over function to guarantee the connection working smoothly. With different types
of the balance mode (Session and Weighted Round Robin) to choose from, the user can select the
most suitable one for current environment.
Ultra Smart Sharing
Ultra Smart Sharing function can prevent disconnection from a banking system or an Internet on-line
game server—due to one single user attempting to access those systems with dual IP addresses.
QoS
IGR-2500 can manage the bandwidth by services and IP addresses—to guarantee the access
bandwidth and keep the service server working properly.
5F, No.96, Min-ChuanRd, Hsin-tien City, Taipei, Taiwan
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