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Prestige 650 Series User’s Guide
20-2 Bandwidth Management
The total of the configured bandwidth budgets for child-classes cannot exceed the configured bandwidth
budget speed of the parent class.
20.3 Proportional Bandwidth Allocation
Bandwidth management allows you to define how much bandwidth each class gets; however, the actual
bandwidth allotted to each class decreases or increases in proportion to actual available bandwidth.
20.4 Bandwidth Management Usage Examples
These examples show bandwidth management allotments on a WAN interface that is configured for
640Kbps.
20.4.1 Application-based Bandwidth Management Example
The bandwidth classes in the following example are based solely on application. Each bandwidth class
(VoIP, Web, FTP, E-mail and Video) is allotted 128kbps.
Figure 20-1 Application-based Bandwidth Management Example
20.4.2 Subnet-based Bandwidth Management Example
The following example uses bandwidth classes based solely on LAN subnets. Each bandwidth class (Subnet
A and Subnet B) is allotted 320kbps.