Typical Applications
3-11
9124-A2-GH30-00
June 1999 - Preliminary
Using Auto-Configuration
When the Frame Relay Discovery feature is used, DLCI configuration and PVC
connection occur automatically. Based upon the network LMI status response
message, the FrameSaver unit “discovers” network DLCIs and captures the
network’s CIR (committed information rate), provided the network switch supports
this feature (e.g., Stratacom switch DLCI plus CIR). Network and Port interface
DLCIs with the same number are created and connected automatically.
All automatically-configured DLCIs are multiplexed, with a management
diagnostic EDLCI (embedded DLCI) being created. When management PVCs are
multiplexed with user data PVCs, two DLCIs are created from the network DLCI,
one matching DLCI for user data on Port-1, and another for management (Mgmt)
information.
If the unit at the other end is not a FrameSaver unit, PVC diagnostic tests and
SLV communication between FrameSaver units are disruptive to user data. PVCs
configured for non-Paradyne units should not be multiplexed. This is because
only FrameSaver models currently support PVC multiplexing and PVC
diagnostics.
The following illustrations show the DLCI records and PVC connections created
when a particular Frame Relay Discovery Mode is selected. The tables show the
automatic configuration that takes place within the FrameSaver unit.
Refer to
Setting Up Auto-Configuration
in Chapter 8, Configuration, for additional
information.
This example shows the 1-port management application (1MPort).
Frame
Relay
Network
98-15866a
FrameSaver Unit
DLCI 201
Port 1
Network Side
of LMI
User Side
of LMI
DLCI 201
DTE
NET Port
Physical Connection
PVC Connection
Contains 2 EDLCIs:
– Port-1
– Management (Mgmt)
Mgmt 201
FR Discovery
Mode Selection
Source
Interface
Source
DLCI
Destination
Interface/Link
Destination
DLCI
Destination
EDLCI
One port with
Port-1
DLCI 201
Network
DLCI 201
EDLCI 0
Management
(1MPort)
Internal
Mgmt201
EDLCI 2
Содержание FrameSaver SLV 9124
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