Managed Switch CLI Manual, Release 8.0.3
Quality of Service (QoS) Commands 8-10
v1.0, July 2010
DiffServ Class Commands
Use the DiffServ class commands to define traffic classification. To classify traffic, you specify
Behavior Aggregate (BA), based on DSCP and Multi-Field (MF) classes of traffic (name, match
criteria)
This set of commands consists of class creation/deletion and matching, with the class match
commands specifying Layer 3, Layer 2, and general match criteria. The class match criteria are
also known as class rules, with a class definition consisting of one or more rules to identify the
traffic that belongs to the class.
The CLI command root is class-map.
class-map
This command defines a DiffServ class of type match-all. When used without any match
condition, this command enters the class-map mode. The <class-map-name> is a case
sensitive alphanumeric string from 1 to 31 characters uniquely identifying an existing DiffServ
class.
The class type of match-all indicates all of the individual match conditions must be true for a
packet to be considered a member of the class.This command may be used without specifying a
class type to enter the Class-Map Config mode for an existing DiffServ class.
Note: Once you create a class match criterion for a class, you cannot change or delete the
criterion. To change or delete a class match criterion, you must delete and re-create
the entire class.
Note: The class-map-name 'default' is reserved and must not be used.
Note: The optional keywords [{ipv4 | ipv6}] specify the Layer 3 protocol for this
class. If not specified, this parameter defaults to ‘ipv4’. This maintains
backward compatibility for configurations defined on systems before IPv6 match
items were supported.
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