Avaya Configuring Traffic Filters and Protocol Prioritization Instrukcja Użytkownika Strona 56

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Configuring Traffic Filters and Protocol Prioritization
3-6 117348-A Rev. A
See Chapter 5 for information about specifying SAP and MAC address criteria.
User-Defined SRB Criteria
In addition to the predefined filter criteria, you can create SRB inbound traffic
filters with user-defined criteria by specifying an offset and length to these
reference fields in the SRB header:
SRB Actions
In addition to the Accept, Drop, and Log actions common to all inbound traffic
filters, there are two SRB actions:
Direct IP Explorers
Specifies that any explorer frame that matches the filter will be sent to some
number of IP addresses. You must specify these IP addresses.
For this action to work, IP encapsulation must be configured on the filter’s
interface. If IP encapsulation is not configured and a frame matches the filter,
the frame will be flooded as if no filter exists.
Forward to Circuits
Specifies that any frame that matches the filter will be forwarded to some
number of circuits on the same router. You must specify these circuits.
You can specify the Log action with any of the other actions. However, you should
specify the Log action only to record abnormal events; otherwise, the Events log
will fill up with filtering messages, leaving no room for critical log messages.
Reference Field Description
NEXT_RING Points to the first byte of the NEXT_RING reference field
HEADER_START Points to the first byte of the Destination MAC Address
DATA_LINK Points to the first byte of the DATA_LINK reference field
Note: The circuit names that you specify for the Forward to Circuits action are
case-sensitive. For example, if the circuit name is E21, but you type
e21, the
filter will not be saved.
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