User Manual

S350 Series 24-Port (PoE+) and 48-Port Gigabit Ethernet Smart Switches
Configure Quality of Service User Manual196
9. Define the criteria that must be associated the DiffServ class by selecting one of the
following radio buttons:
• Match Every. Select this radio button to add a match condition that considers all
packets to belong to the class.
The only selection from the Match Every menu is Any.
• Reference Class. Select this radio button to reference another class for criteria.
The
match criteria defined in the reference class function as match criteria in addition to
the match criteria that you define for the selected class. After you select the radio
button, the classes that can be referenced are displayed. Select the class to
reference. A class can reference only one other class of the same type.
• Class of Service. Select this radio button to require the Class of Service (CoS) value
in an Ethernet frame header to match the specified CoS value.
This option lists all the
values for the Class of Service match criterion in the range 0 to 7 from which you can
select one.
• VLAN. Select this radio button to require a packet’
s VLAN ID to match a VLAN ID.
The VLAN value is in the range from 1 to 4093.
• Ethernet Type. Select this radio button to require the EtherT
ype value in the Ethernet
frame header to match the specified EtherType value. After you select the radio
button, select the EtherType keyword from the menu of common protocols that are
mapped to their Ethertype value. You can also select User Value from the menu and
enter a value in the hexadecimal range from 600 to ffff.