Avaya Configuring Ethernet, FDDI, and Token Ring Services Manual de usuario Pagina 45

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Configuring FDDI Services
117020-A Rev. A 3-9
Specifying the Neighbor Notification Interval
Neighbor information frames (NIFs) identify the upstream and downstream
neighbors of each node. A Bay Networks station issues a response to the sender of
a NIF frame and generates NIF requests as part of the neighbor notification
process.
You can set the interval between successful iterations of the Neighbor Notification
Protocol on an interface to a value from 2 to 30 seconds. By default, the interval is
22 seconds. This interval
Determines the MAC addresses of the upstream and downstream neighbors
Detects duplicate MAC addresses on the ring
Generates periodic “keepalive” traffic that verifies the local MAC transmit
and receive paths
You can use Site Manager to set the Neighbor Notification interval.
Specifying the Propagation Expiration Time
A trace is a diagnostic function that isolates a fault on the ring. By default, the
maximum propagation time for a trace on a FDDI topology is 7 seconds. You can
set the propagation expiration time to a value from 6001 to 256000 milliseconds
(ms).
Enabling or Disabling Status Report Frames
Status report frames (SRFs) allow the Status Report protocol to report node
conditions and events. A condition is when a node enters a specific state (for
example, duplicate address detected). An event is an immediate occurrence (for
example, the generation of a trace).
By default, the FDDI line generates an SRF announcement frame for its
implemented events (for example, high bit errors, topology changes, trace status
events, MAC frame error condition, and MAC duplicate address condition).
Site Manager: T_Notify Timeout parameter: page A-8
Site Manager: Trace Max Expiration (ms) parameter: page A-9
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