Configuring QoS Policy Applications
OmniSwitch AOS Release 8 Network Configuration Guide December 2017 page 26-75
Basic QoS Policies
Traffic prioritization and bandwidth policing can be the most common types of QoS policies. For these
policies, any condition can be created; the policy action indicates how the traffic must be prioritized or
how the bandwidth must be shaped.
Note that some condition parameters can be used in combination only under particular circumstances;
also, there are restrictions on condition/action parameter combinations. See “Policy Conditions” on
page 26-30 and “Policy Actions” on page 26-31.
Basic Commands
The following policy action commands are used for traffic prioritization or policing (rate limiting):
policy action priority
policy action maximum bandwidth
policy action maximum depth
To set up traffic prioritization and/or bandwidth policing, follow the steps in the next section. For more
information about command syntax and options, see the OmniSwitch AOS Release 8 CLI Reference Guide.
Note that QoS ports can also be configured for bandwidth shaping through the qos port maximum
ingress-bandwidth and qos port maximum egress-bandwidth commands.
Traffic Prioritization Example
In this example, IP traffic is routed from the 10.10.4.0 network through the OmniSwitch.
To create a policy rule to prioritize the traffic from Network 1, first create a condition for the traffic that
you want to prioritize. In this example, the condition is called ip_traffic. Then create an action to
prioritize the traffic as highest priority. In this example, the action is called high. Combine the condition
and the action into a policy rule called rule1.
-> policy condition ip_traffic source ip 10.10.4.0 mask 255.255.255.0
-> policy action high priority 7
-> policy rule rule1 condition ip_traffic action high
The rule is not active on the switch until the qos apply command is entered on the command line. When
the rule is activated, any flows coming into the switch from 10.10.4.0 is given the highest priority.
Note. If multiple addresses, services, or ports must be given the same priority, use a policy condition group
to specify the group and associate the group with the condition. See “Using Condition Groups in Policies”
on page 26-53 for more information about groups.
OmniSwitch
priority applied
Any
Network
Network 1
10.10.4.0
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