Setting Up Traffic Policies

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Viewing a Summary of the Policy Configurations

Use this page to view how the Cisco Provider Connectivity Assurance Sensor Control's traffic policies have been configured.


To view a summary of the policy configurations

  1. Access the page Traffic â–¶ Policies.
    A listing of all policies associated with this instance of the Sensor Control is displayed.

  2. (Optional) To limit the view to only specific policies, enter a value on which to filter, then click Search. You can filter by the Device, Name, State, Action, Filter Name, Type or Port.

  3. (Optional) Click the Name of a policy to view its configuration details.

When a remote device is selected in the right corner, the policies are sorted in priority order. For more information on specific parameters, refer to the following table.

Policy (Traffic â–¶ Policies)

Parameter Description
Device Name of the device.
Name Name of the traffic policy.
State The policy may be enabled or disabled. Disabled policies are ignored when the rules are applied to incoming data.
Action Action that the policy applies to data that it matches.
Classification Name of the VCA's classification.
VCA Name of the VCA assigned to the policy.
Filter Name Name of the filter assigned to the policy.
Type The filter type (L2, IPv6, or IPv4) used to classify traffic.
Port Name of the port of the traffic policies.
Priority Rules are prioritized using the Priority field, with the rule configured with the highest priority applied first.

Note: Highest Priority is 1, lowest is 255. When 0 is used, a priority value is assigned by the system that is lower than any existing policies. The priority must be unique among all policies for the same device.

Assigning VCA to a Traffic Policy

Once you have selected the Use VCA radio button and set up the VCA, you are ready to assign it to a traffic policy so they can become a service.

Assigning Filters to a Traffic Policy

Once you have selected the Use Filter radio button set up the filters, you are ready to assign it to a traffic policy so they can become a service.
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To set up a traffic policy

  1. Access the page Traffic â–¶ Policies.
    The Traffic Policies Configuration page opens.

  2. Click a policy configuration.
    The Selected Policy Configuration page opens.

  3. Select the VCA or filter to classify traffic and the required action, then click Apply.

For more information on specific parameters, refer to the following tables.

Policy Configuration (Traffic â–¶ Policies)

Parameter Description
Enable Policy Select this box to activate the policy.
Name Name of the Policy Configuration
Priority Rules are prioritized using the Priority field, with the rule configured with the highest priority applied first.

Use VCA

Parameter Description
VCA Name Select VCA from drop-down menu
Direction AtoZ or ZtoA
Classification Select classification from drop-down menu

Use Filter

Parameter Description
Port Name of the port of the traffic policies.
Filter Type The filter type (L2 filter, IPv4 filter, IPv6 filter) used to classify traffic.
Filter The name of the filter. You must select a filter name from the dropdown list.

Tip: The catch-all filter enables you to monitor all traffic on a port.

Action Make a selection from the drop-down list to select the action to apply to traffic that matches the filter's criteria:
  • Drop Traffic: The traffic matching the filter is dropped.
  • Permit Traffic: The traffic matching the filter is counted in the statistics then forwarded.

EVC Mapping

Parameter Description
Encapsulation You can only select an Encapsulation method when the Filter Action is set to Permit Traffic. Select one of the following encapsulation methods:
  • None: This is the default value. Mapping options are disabled while this is selected.
  • Push: Add a VLAN tag
  • Pop: Remove the outer VLAN tag, if any
See below for more information regarding each of these methods.

Note: The details of this option will vary, depending on the available PCP actions.

Ethertype The Ethertype of the VLANs to be added (if any).

Possible values:

  • C-VLAN: 0x8100
  • S-VLAN: 0x88A8
  • T-VLAN: 0x9100
VLAN ID VLAN ID of the VLANs to be added (if any).

Possible values range between 0 and 4095.

CFI/DEI

PCP

If Push is selected as the EVC encapsulation option, indicate the CFI/DEI and/or the PCP.
  • CFI/DEI: Acceptable values are 0 or 1
  • PCP: Acceptable values range between 0 and 7

EVC Encapsulation Options

Use the encapsulation options to perform EVC mapping actions.

None:
Leave this default option selected when no VLAN ID manipulation is required for the selected traffic filter.

Push:
Use this option to push (add) a VLAN tag onto an untagged frame or push an outer tag (Q-in-Q) onto a tagged frame.

Pop:
Use this option to remove the outer VLAN tag.

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