Table 315: Diffserv Class Configuration Fields
Field
Description
Class
The name of the class. To configure match criteria for a class, select its name
from the menu.
Type
The class type, which is one of the following:
•
All – All the various match criteria defined for the class should be satisfied for
a packet match. All signifies the logical AND of all the match criteria.
•
Any – Any of various match criteria defined for the class can be satisfied for a
packet match.
•
ACL – The criteria defined in the associated ACL is used to match packets.
When adding a class in the Add Match Criteria window, the ACL (IP) option is
available only if at least one IP ACL exists on the device. Similarly, the ACL
(MAC) option is available only if at least one MAC ACL exists on the device.
L3 Protocol
The Layer 3 protocol to use for filtering class types, which is either IPv4 or IPv6.
Match Criteria
The type of match criteria defined for the selected class. If the Type is ACL, no
information about the match criteria is available on this page.
Value
The configured value of the match criteria that corresponds to the match type.
After you click
Add Match Criteria
, the Add Match Criteria window opens and allows you to define the
match criteria for the selected class. The window lists the match criteria that are available for the class.
To add match criteria, select the checkbox for the criteria type. The fields to configure the match values
appear after you select the match type. Each match criteria type can be used only once within a class. If
a reference class includes the match criteria type, it cannot be used as an additional match type within
the class, and the match criteria type cannot be selected or configured.
Each match type other than the Reference Class includes an option to match any value within the
match criteria type except the configured value. This is the Exclude option, which indicates a logical
NOT for a match criteria type.
Table 316: Add Match Criteria Fields
Field
Description
Any
Select this option to specify that all packets are considered to match the
specified class. There is no need to configure additional match criteria if Any is
selected because a match will occur on all packets.
Reference Class
Select this option to reference another class for criteria. The match criteria
defined in the referenced class is as match criteria in addition to the match
criteria you define for the selected class. After selecting this option, the classes
that can be referenced are displayed. Select the class to reference. A class can
reference at most one other class of the same type.
Select this option to require the Class of Service (CoS) value in an Ethernet frame
header to match the specified CoS value.
Secondary Class of Service
Select this option to require the secondary CoS value in an Ethernet frame
header to match the specified secondary CoS value.
Configuring Quality of Service
ExtremeSwitching 200 Series: Administration Guide
320