Extreme Networks Summit 200-24 Installation And User Manual page 151

Viewing DiffServ information can be enabled or disabled; by default it is disabled. To view DiffServ
information, use the following command:
enable diffserv examination ports [<portlist> | all]
NOTE
DiffServ examination requires one access mask while it is enabled. See "Maximum Entries" on
page 105 for more information.
Changing DiffServ Code point assignments in the QoS Profile
The DiffServ code point has 64 possible values (2
assigned to the default QoS profiles listed in Table 42.
Table 42: Default Code Point-to-QoS Profile Mapping
Code Point
0-7
8-15
16-23
24-31
32-39
40-47
48-55
56-63
You can change the QoS profile assignment for a code point by using an access list. See Chapter 9,
"Access Policies", for more information.
Replacing DiffServ Code Points
An access list can be used to change the DiffServ code point in the packet prior to the packet being
transmitted by the switch. This is done with no impact on switch performance.
To replace the DiffServ code point, you will use an access list to set the new code point value. See
Chapter 9, "Access Policies", for more information on using access lists. You will use the
code-point
To display the DiffServ configuration, use the following command:
show ports <portlist> info {detail}
NOTE
The show ports command displays only the default code point mapping.
DiffServ Examples
For information on the access list and access mask commands in the following examples, see Chapter 9,
"Access Policies".
Summit 200 Series Switch Installation and User Guide
QoS Profile
Qp1
Qp2
Qp3
Qp4
Qp5
Qp6
Qp7
Qp8
parameter of the
create access list
6 = 64). By default, the values are grouped and
command to replace the value.
Traffic Groupings
set
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