618 DiffServ Class Commands
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.
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.
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-map-name 'default' is reserved and must not be used.
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.
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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