Cisco SCE 1000 2xGBE User's Guide download pdf (Page 167)

Chapter 6 Control Configuration

The RDR Formatter

SCE 1000 2xGBE Release 2.0.10 User Guide

OL-7117-02 6-21

Categories

In certain installations, RDRs must be sent to different collector servers according to their type.

For instance, in the pre-paid environment, some RDRs must be sent to the pre-paid collector to

get a new quota, while others should be sent to the mediation system. In this case, the RDRs are

divided into two groups, and each group, or category, is assigned to a particular destination or

destinations. (Assigning the RDRs to categories is defined by the application running on the SCE

1000.)

The system supports two categories. Therefore, the RDR formatter destinations must be

configured regarding each category. Each destination may be assigned to both categories and may

be assigned the same or different priorities for each category. If more than one destination is

defined for a category, a load-balancing or multicast forwarding mode could be selected.

(Obviously, these modes have no meaning of there is only one destination per category.)

It is also possible to remove a category from a destination, leaving only the desired category. If

both categories are removed, the destination itself is deleted.

By default, the categories are referred to as Category 1 and Category 2. However, the user may

define meaningful names for the categories. This generally reduces confusion and prevents errors.

Priority

The priority value is used to indicate whether the destination should be a destination for a given

category. A high priority indicates that RDRs from a category should be sent a particular

destination. No priority indicates that RDRs from a category should not be sent to a particular

destination.

Priority also is related to the redundant forwarding mode, in that it indicates which is the primary

active connection. Priority values have no affect in simple-load-balancing or multicast forwarding

modes.

Each destination is assigned two priority values, one for each category. The first destination that is

configured is automatically assigned a priority of 100 (highest priority) for both categories, unless

explicitly defined otherwise.

Following are some important points to keep in mind regarding priority values:

• Two destinations may not have the same priority for one category. The priority values for

destinations within a category must be unique in order to have any meaning.

• If only one category is defined by the application, the second priority value is ignored.

• If only one priority value is assigned to the destination, that priority is automatically assigned

to both categories for that destination.

• If only one category is assigned a priority value for a destination, no RDRs from the other

category will be sent to the specified destination.

• Assign a high priority if RDRs from the specified category should be sent to this destination.

Assign a low priority if RDRs from the specified category should less likely to be sent to this

destination.

• Redundant forwarding mode: Assign a high priority to the primary destination for the

system/category. Assign a lower priority to the secondary destination for the system/category.

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Cisco SCE 1000 2xGBE User's Guide Page 167

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