ZyXEL p-660h-61 Guida Utente
Prestige 660H Series User’s Guide
18-8
Bandwidth Management
Table 18-9 Bandwidth Manager: Summary
LABEL DESCRIPTION
Speed
(kbps)
(kbps)
Enter the amount of bandwidth for this interface that you want to allocate using bandwidth
management.
management.
This appears as the bandwidth budget of the interface’s root class (see section 18.9). The
recommendation is to set this speed to match what the interface’s connection can handle. For
example, set the WAN interface speed to 1000 kbps if the ADSL connection has an upstream
speed of 1000 kbps.
recommendation is to set this speed to match what the interface’s connection can handle. For
example, set the WAN interface speed to 1000 kbps if the ADSL connection has an upstream
speed of 1000 kbps.
Scheduler
Select either Priority-Based or Fairness-Based from the drop-down menu to control the
traffic flow.
Select Priority-Based to give preference to bandwidth classes with higher priorities.
Select Fairness-Based to treat all bandwidth classes equally. See section 18.5.
traffic flow.
Select Priority-Based to give preference to bandwidth classes with higher priorities.
Select Fairness-Based to treat all bandwidth classes equally. See section 18.5.
Maximize
Bandwidth
Usage
Bandwidth
Usage
Select this check box to have the Prestige divide up all of the interface’s unallocated and/or
unused bandwidth among the bandwidth classes that require bandwidth. Do not select this if
you want to reserve bandwidth for traffic that does not match a bandwidth class (see section
18.6.1) or you want to limit the speed of this interface (see the Speed field description).
unused bandwidth among the bandwidth classes that require bandwidth. Do not select this if
you want to reserve bandwidth for traffic that does not match a bandwidth class (see section
18.6.1) or you want to limit the speed of this interface (see the Speed field description).
Back
Click Back to go to the main BW Manager screen.
Apply
Click Apply to save your settings back to the Prestige.
Cancel
Click Cancel to begin configuring this screen afresh.
18.9 Configuring Class Setup
The class setup screen displays the configured bandwidth classes by individual interface. Select an
interface and click the buttons to perform the actions described next. Click “+” to expand the class tree
or click “-“ to collapse the class tree. Each interface has a permanent root class. The bandwidth budget
of the root class is equal to the speed you configured on the interface (see section 18.8 to configure the
speed of the interface). Configure child-class layers for the root class.
interface and click the buttons to perform the actions described next. Click “+” to expand the class tree
or click “-“ to collapse the class tree. Each interface has a permanent root class. The bandwidth budget
of the root class is equal to the speed you configured on the interface (see section 18.8 to configure the
speed of the interface). Configure child-class layers for the root class.
To add or delete child classes on an interface, click BW Manager, then Class Setup. The screen
appears as shown (with example classes).
appears as shown (with example classes).
The example reserves 10 Mbps of unbudgeted bandwidth for traffic that is not defined in the
bandwidth filters (see section 18.6.1). The Administration and Sales USA bandwidth classes each have
bigger bandwidth budgets than the total of the budgets of their child-classes. The child-classes can
borrow the extra bandwidth as long as they have bandwidth borrowing enabled (see section 18.7).
bandwidth filters (see section 18.6.1). The Administration and Sales USA bandwidth classes each have
bigger bandwidth budgets than the total of the budgets of their child-classes. The child-classes can
borrow the extra bandwidth as long as they have bandwidth borrowing enabled (see section 18.7).