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Priority Classification Configuration Screen
8-30 802.1p Configuration Menu Screens
The IP TOS Rewrite parameters are set using the Priority Classification screen. The screen enables
you to configure the new IP TOS field for any IP frame classification. A selection field is displayed
for all supported classification rules. The default value is “NO CHANGE”. You can optionally
specify TOS=PID, whereby the precedence sub-field in the TOS field to match the value of the
priority in the classification rule. You can also specify a CUSTOM TOS value between 0 and 255.
This allows you to specify an IP TOS value for a particular need.
8.6.3 Displaying the Current PID/Classification Assignments
To see which ports are set to a particular PID/Classification (Classification Rule), the Protocol Port
Configuration screen must be displayed.
To access the Protocol Port Configuration, proceed as follows:
1. Use the arrow keys to step to the line with the Classification Rule of interest.
2. Press ENTER. The Protocol Port Configuration screen displays, showing a list of the current
ports and those associated with the Classification Rule selected in step 1. These ports are
identified on the screen by a YES setting. For more information about the Protocol Port
Configuration screen and how to use it, refer to Section 8.7.
8.6.4 Assigning a Classification to a PID
To add a Classification Rule, proceed as follows:
1. Use the arrow keys to highlight the PID (priority identification) field.
2. Type in the appropriate priority (0 through 7), where 0 is the lowest priority and 7 is the highest
priority. Press ENTER.
3. Use the arrow keys to highlight the Classification field.
4. Press the SPACE bar to step to the appropriate Classification. Table 8-7 lists the
subclassification associated with each Classification (examples of classifications: Ethernet II
Type, 802.3 SAP, IP TOS, IP Protocol Type, etc.).
5. Use the arrow keys to highlight the subclassification field to the immediate right of the
Classification field. The name of the field changes depending on the selected Classification, as
shown in Table 8-7 (examples of subclassification: Ethernet II Type, SSAP/DSAP (802.3), Type
of Service, IP Protocol Type, etc.).
NOTE: It is strongly recommended that you read Section 8.6.1 for more information
concerning classification before configuring the SmartSwitch device. Incorrect
configuration will affect network operation.