QoS policies
An administrator can define application and traffic policies. These policies help to enable traffic steering, Quality of Service (QoS), and filtering capabilities for applications. Specify whether a defined rule can be applied globally across all the sites in the network or on certain specific sites.
Policies are defined in the form of multiple rules which get applied in the user-defined order.
Create new rule
An administrator needs to place the defined rule based on the priority. The priorities such as Top of the List, Bottom of the List, or in between two existing entries.
It is recommended to have more specific rules for applications or sub applications at the top, followed by less specific rules for the ones representing broader traffic.
For example, you can create specific rules for both Facebook Messenger (sub application) and Facebook (application). Put a Facebook Messenger rule on top of the Facebook rule so that the Facebook Messenger rule gets hit. If the order is reversed, Facebook Messenger being a subapplication of Facebook application, Facebook Messenger rule would not get hit. It is important to get the order right.
Match criteria
Select traffic for a defined rule such as:
- An application
- Custom defined application
- Group of applications or IP protocol based rule
Rule scope
Specify whether a defined rule can be applied globally across all the sites in the network or on certain specific sites.
Application steering
Specify how the traffic needs to be steered.
+ New Custom App: Select a match criteria from the list. The administrator can add new custom application by giving a name to:
- Custom application
- protocol (such as TCP, UDP, ICMP)
- Network IP/Prefix
- port
- DSCP tag
You can also create a domain name based custom application.
QoS profiles
The Quality of Service (QoS) section helps to create QoS profile by using the + QoS Profile option. The QoS profile provides improved service to certain traffic. The goal of QoS is to provide priority including traffic type (Real-time, Interactive, and Bulk classes) and dedicated bandwidth. The bandwidth breakups are available in % values. This also improved loss characteristics.
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