Avaya Configuring Traffic Filters and Protocol Prioritization Manual de usuario Pagina 70

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Configuring Traffic Filters and Protocol Prioritization
3-12
User-Defined OSI Criteria
In addition to the predefined OSI filter criteria, you can create traffic filters with
user-defined criteria by specifying an offset and length to these reference fields in
the OSI header:
OSI Actions
The OSI filtering actions are Accept, Drop, and Log.
DECnet Phase IV Criteria and Actions
You can filter inbound DECnet Phase IV traffic based on specified bit patterns
contained within the DECnet header.
Predefined DECnet Criteria
Table 3-2 lists the predefined filtering fields for DECnet IV inbound traffic filters
and the reference field, offset, and length value for each criterion.
Reference Field Description
OSI_BASE Points to the first byte of the CLNP header
OSI_DEST Points to the last two bytes of the Destination Address field
OSI_SRC Points to the last two bytes of the Source Address field
Table 3-8. Predefined Criteria for DECnet Inbound Traffic Filters
Criterion Name Reference Field Offset Length
Destination Area DEC4_BASE 0 6
Destination Node DEC4_BASE 6 10
Source Area DEC4_BASE 16 6
Source Node DEC4_BASE 22 10
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