Chapter 7
– Configuration
GE Reason Switches
REASON SWITCHES-TM-EN-3
203
DSCP Classification menu allows selecting which DSCP levels should be applied at a
given CoS (PCP) value at the Ethernet frame. While DSCP-Based QoS Ingress
Classification allows mapping to which QoS queue the DSCP values should be
mapped to, that is, allows a DSCP-to-CoS mapping, DSCP classification allows
selecting a CoS-to-DSCP classification. Thus, it is possible to include PCP bits based
QoS at the DSCP philosophy QoS. Possible configurations are as follows.
If one configuration is desired to be applied at all ports, then the row “*” should be
used, that is, configuration done in the “*” row will be replied to all
ports. Possible
configurations are as follows.
o
QoS Class
: shows the QoS class to be configured at this row;
o
DSCP
: indicates to which DSCP level the QoS class at the row
should be mapped to. This field will effectively do the CoS-to-DSCP
configuration, as the CoS possibilities are shown in the QoS Class
column. Allowed values are the DSCP values range, from 0 to 63.
After one of the configurations described before is changed, there are buttons that
allow the user to save or discard the configurations and to cancel the menu.
o
Save
: save configuration at the Running Config;
o
Reset
: undo changes made locally at the Running Config.
11.11
QoS Control List
QoS Control List menu allows configuring QCL function. QCL is a way to define
quality-of-service for a given traffic based on many settings, such as destination or
source MAC address, frame type, and so on. To define traffic to be classified, it must
be created a QoS Control Entry (QCE), which will define all parameters and action to
be realized.
By default, no QCE is configured. To add a control entry, click at the button. After this
button is pressed, the QCE configuration menu is opened. This menu will display all
possible configuration to be applied in a QCE to be used at the QCL. Once at the QCE
Configuration, after clicking the button shown below, possible configurations are as
follows.
o
Port Members
: indicates which port will be a member of this QCE
entry. If selected, the port will apply rules configured at the Key
Parameters and Action Parameters. Checkbox selected means port
is member of the QCE, and checkbox empty means port is not
member;
o
Key Parameters
: indicates all parameters to be applied. If frames
match with all key parameters configured, then frame will be
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