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Figure 12-4.Classification Flow.
In CLASS mode, following selections can be grouped into one class:
Select one or more COS (8 at max.) to group one class, which is called as COS
Select one or more IP Precedence (8 at max.) to group one class, which is called as PREC
Select one or more DSCP (at max.) to group one class, which is called as DSCP.
Select one (only one) ACL to group one class, which is called as ACL class
For classification based on ACL, every ACL is grouped one class, there are 1 and 128
regulations in one ACL group, but only the regulation whose movement is Permit in QoS is valid,
but whose movement is Deny in QoS is invalid. ACL group can be standard IP group, extended
IP group, and extended MAC group.
In POLICY mode every class can be mapped into one class information value that will generate
one internal DSCP value according to Mapping Table, as follows:
Class Maps into COS class information, and generate into internal DSCP value according to
COS-DSCP Mapping Table
Class Maps into IP Precedence class information, and generate into internal DSCP value
according toPREC-DSCP Mapping Table
Class Maps into DSCP class information, and generate into internal DSCP value according to
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