Avaya Configuring Traffic Filters and Protocol Prioritization Manuel d'utilisateur télécharger pdf (Page 105)

Applying Inbound Traffic Filters

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6-17

Specifying User-Defined Criteria

The Edit Filters window and Edit Template window provide a User-Defined

criterion option for most protocols. The User-Defined option allows you to set up

a user-defined criterion based on bit patterns in the packet header that are not

supported in predefined criteria.

Adding user-defined criteria is similar to adding predefined criteria, except you

must specify the criterion’s location in the packet. (With predefined criteria, the

locations are established.)

See Chapter 3 for the supported protocol header reference points you can use to

specify user-defined criteria for inbound traffic filters.

To add a user-defined criterion:

Site Manager Procedure

You do this System responds

1. Display the Edit Filters window

(Figure 6-6) or Edit Template window

(Figure 6-4) for the selected circuit and

protocol.

2. Choose Criteria > User-Defined. The Add User-Defined Field window

opens (Figure 6-7).

3. In the REF field, choose the

protocol-specific header reference point.

4. In the OFFSET field, specify a bit offset

from the reference point.

5. In the LENGTH field, specify the length of

the criterion.

6. In the Minimum value and Maximum value

fields, specify a range for the criterion.

7. Click on

. The Edit Template window or Edit Filters

window opens.

8. Continue editing the template or filter.

See Table 6-1, “Using the Edit Template

Window,” or Table 6-2, “Using the Edit

Filters Window.”

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Avaya Configuring Traffic Filters and Protocol Prioritization Manuel d'utilisateur Page 105