Port Priority and Classification Configuration Commands
Classification Precedence Rules
9-28 Matrix E1 Series (1G58x-09 and 1H582-xx) Configuration Guide
Syntax Description
Command Defaults
None.
Command Type
Switch command.
Command Mode
Read-Write.
Example
This example shows how to enable priority tag override on Fast Ethernet front panel ports 1 through
3:
9.3.5 Classification Precedence Rules
When there are multiple classifications assigned to a Matrix E1 device, the device must determine
which classification takes precedence according to classification precedence rules. By default, the
order of precedence is predefined in the Matrix E1 device. When the priority tag override feature is
enabled on a port as described in Section 9.3.4.8, 802.1Q frame tags received on that port are
assigned a lower precedence. This allows MAC address matching and other types of priority
classifications to receive higher precedence.
Table 9-2 lists the ISO layer, associated classification, default precedence levels, and precedence
levels with priority tag override enabled.
port-string Specifies the port(s) for which to enable or disable
priority tag override. For a detailed description of
possible port-string values, refer to Section 4.1.2.
enable | disable Enables or disables priority tag override.
Matrix>set priority classification qtagoverride fe.0.1-3 enable
NOTE: It is important that you have a comprehensive understanding of the precedence
concept before configuring the Matrix E1 device, as these rules can have a significant
impact on the network operation.
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