Understanding Bandwidth Management
This section describes basic concepts of bandwidth management.
Maximum Bandwidth Per IP Address or User Group
The maximum bandwidth per IP address or user group is the maximum bandwidth obtained by packets based on the IP address or user group. The device collects statistics on traffic that matches bandwidth policies based on the IP address or user group, and traffic from each IP address or user group cannot exceed the configured maximum bandwidth.
Guaranteed Bandwidth Per IP Address or User Group
The guaranteed Bandwidth per IP address or user group is the minimum bandwidth obtained by packets based on the IP address or user group. The device allocates part of bandwidth to traffic of the matching IP address or user group. The specified traffic can use the guaranteed bandwidth exclusively even if the network is busy.
Bandwidth Policy
Bandwidth policies determine the traffic to which bandwidth management is applied and how bandwidth management is performed.
A bandwidth policy is a set of multiple bandwidth allocation rules, and a bandwidth allocation rule consists of conditions and actions.
The condition is the basis for the device to match packets, including:
- Interface type and number
- Interface name
- Inbound direction
- Outbound direction
- IP address
- User group
- Time range
An action is taken by the device to process packets, including:
- Uniform rate limiting: Rate limiting is performed for packets from all IP addresses of the matching user group.
- Single rate limiting: Rate limiting is performed for packets from an IP address.
