BM-500 Bandwidth Management Gateway User’s Manual
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Chapter 2: Hardware Installation
2.1 Installation Requirements
Before installing the Bandwidth Management Gateway, make sure your network meets the following
requirements.
- Mechanical Requirements
The Bandwidth Management Gateway is to be installed between your Internet connection and local area
network. The Bandwidth Management Gateway can be placed on the table or rack. Locate the unit near
the power outlet.
- Electrical Requirements
The Bandwidth Management Gateway is a power-required device, it means, the Bandwidth Management
Gateway will not work until it is powered. If your networked PCs will need to transmit data all the time,
please consider use an UPS (Uninterrupted Power Supply) for your Bandwidth Management Gateway. It
will prevent you from network data loss. In some area, installing a surge suppression device may also help
to protect your Bandwidth Management Gateway from being damaged by unregulated surge or current to
the Bandwidth Management Gateway.
- Network Requirements
In order for Bandwidth Management Gateway to manage traffic, the traffic must pass through Bandwidth
Management Gateway at a useful point in a network. In most situations, the bandwidth Management
Gateway should be placed behind the Internet connection device.
This deployment allows the network administers to control all bandwidth based on business priorities and
give business-critical and time-sensitive applications guarantee bandwidth and higher priority.
Business-critical applications can receive maximum performance while other less urgent traffic is still
available on remaining bandwidth. Bandwidth Management Gateway also provides comprehensive
security, log and statistics functions to help monitor network and bandwidth usage and allow adjustment of
the bandwidth management policies accordingly.
2.2 Operation Mode
BM-500 supports two operation modes, Transparent and NAT. In transparent mode, BM-500 works as
proxy with forward LAN packet to WAN and forward WAN packet to LAN. The LAN and WAN side IP
addresses are in the same subnet. In NAT mode, LAN side user will share one public IP address of WAN
port to make Internet connection. Please find the following two pictures for example.
2.2.1 Transparent Mode Connection Example
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