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Only when a new class is created, this field is a selector field. After class creation this becomes a
non-configurable field displaying the configured class type.
Class Layer 3 Protocol - Indicates how to interpret the any layer 3. This lists types of packets
supported by Diffserv. Layer 3 Protocol option is available only when user selects class type as 'All' .
Options:
• IPv4
• IPv6
Only when a new class is created, this field is a selector field. After class creation this becomes a
non-configurable field displaying the configured class type.
Class Match Selector - This lists all match criteria from which one can be selected to be added to a
specified class. The match criterion 'Every' denotes that every packet is considered to match the
specified class and no additional input information is needed. The content of this drop down list varies
for a specified class based on the selection of the match criterion 'Reference Class':
If the specified class does not reference any other class, the 'Reference Class' match criterion is
included in the drop down match criteria list. A class reference can be established by selecting
'Reference Class' and invoking the 'Add Match Criteria' button.
If the specified class references another class, the 'Reference Class' match criterion is not
included in the drop down match criteria list. This prevents the user from trying to add yet another
class reference, since a specified class can reference at most one other class of the same type.
Moreover, a 'Remove Class Reference' button appears on the screen that can be invoked to
remove the current class reference.
Configurable Data
Class Name - This is a case-sensitive alphanumeric string from 1 to 31 characters uniquely
identifying a class. Class name 'default' is reserved and must not be used.
Non-Configurable Data
Class Type - Displays type of the configured class as 'all', 'any', or 'acl'. Only when a new class is
created, is this field a selector field. After class creation this becomes a non-configurable field.
Match Criteria - Displays the configured match criteria for the specified class.
Values - Displays the values of the configured match criteria.
Command Buttons
Submit - Send the updated screen to the switch and cause the changes to take effect on the switch
but these changes will not be retained across a power cycle unless a save is performed.
Cancel - Cancel the currently selected filter.
Delete - Delete the currently selected filter.
Rename - Allows to rename a specified class.
Add Match Criteria - Only one match criterion can be specified each time this button is invoked.
Based on the selected match criterion, an individual match criterion screen is provided to configure its
value.
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Match criteria cannot be deleted from a class. The class must be deleted in order to remove
the match criteria.
Remove Class Reference - This button appears on the screen only if a specified class references
another class. The current class reference, of the specified class, is removed by invoking this button.