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8.6 Service Commands
The 'service' command set is used in DiffServ to define:
▫
Traffic Conditioning Assign a DiffServ traffic conditioning policy (as specified by the policy
commands) to an interface in the incoming direction
▫
Service Provisioning Assign a DiffServ service provisioning policy (as specified by the policy
commands) to an interface in the outgoing direction
The service commands attach a defined policy to a directional interface. Only one policy may be
assigned at any one time to an interface in a particular direction. The policy type (in, out) must match the
interface direction to which it is attached.
This set of commands consists of service addition/removal.
The CLI command root is service-policy
8.6.1 service-policy
This command attaches a policy to an interface in a particular direction. The command can be used in the
Interface Config mode to attach a policy to a specific interface. Alternatively, the command can be used
in the Global Config mode to attach this policy to all system interfaces. The direction value is either in or
out. The <policyname> parameter is the name of an existing DiffServ policy, whose type must match the
interface direction. Note that this command causes a service to create a reference to the policy.
Note
:
This command effectively enables DiffServ on an interface (in a particular direction). There is
no separate interface administrative 'mode' command for DiffServ.
Note: This command shall fail if any attributes within the policy definition exceed the capabilities of the
interface. Once a policy is successfully attached to an interface, any attempt to change the policy
definition such that it would result in a violation of said interface capabilities shall cause the policy change
attempt to fail.
▫
Format
service-policy {in | out} <policymapname>
▫
Modes
Global Config (for all system interfaces)
Interface Config (for a specific interface)
▫
Restrictions Only a single policy may be attached to a particular interface in a particular direction
at any one time.
8.6.1.1 no service-policy
This command detaches a policy from an interface in a particular direction. The command can be used in
the Interface Config mode to detach a policy from a specific interface. Alternatively, the command can be
used in the Global Config mode to detach this policy from all system interfaces to which it is currently
attached. The direction value is either in or out. The <policyname> parameter is the name of an existing
DiffServ policy. Note that this command causes a service to remove its reference to the policy.
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