Creating Policies Configuring QoS
page 25-52 OmniSwitch AOS Release 7 Network Configuration Guide June 2013
• Policy lists are not active on the switch until the qos apply command is issued.
Using the Default Policy List
A default policy list always exists in the switch configuration. By default, a policy rule is added to this list
at the time the rule is created. A rule remains a member a of the default list even when it is subsequently
assigned to additional lists.
Each time a rule is assigned to a list, an instance of that rule is created and allocated system resources. As
a result, rules that belong to multiple lists create multiple instances of the same rule. One way to conserve
resources is to remove a rule from the default policy list.
To exclude a rule from the default policy list, use the no default-list option of the policy rule command
when the rule is created. For example:
-> policy rule r1 condition c1 action a1 no default-list
The no default-list option can also remove an existing rule from the default list. For example, the r2 rule
already exists in the switch configuration but was not excluded from the default list at the time the rule
was created. The following command removes the rule from the default list:
-> policy rule r2 condition c1 action a1 no default-list
To add an existing rule to the default list, use the default-list parameter option of the policy rule
command. For example:
-> policy rule r2 condition c1 action a1 default-list
Rules associated with the default policy list are applied only to ingress traffic, unless the rule is also
assigned to an egress policy list.
Verifying Policy Configuration
To view information about policy rules, conditions, and actions configured on the switch, use the follow-
ing commands:
show policy condition Displays information about all pending and applied policy conditions or
a particular policy condition configured on the switch. Use the applied
keyword to display information about applied conditions only.
show policy action Displays information about all pending and applied policy actions or a
particular policy action configured on the switch. Use the applied key-
word to display information about applied actions only.
show policy rule Displays information about all pending and applied policy rules or a par-
ticular policy rule. Use the applied keyword to display information
about applied rules only.
show active policy rule Displays applied policy rules that are active (enabled) on the switch.
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