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Cyclades-PR2000
61Chapter 8 - Data-Link Protocols (Encapsulation)
X.25 Menu CONFIG=>INTERFACE=><LINK>=>ENCAPSULATION =>X.25
Parameter Description
X.121 (Local DTE) Address Address assigned to this interface (provided by the public X.25 Network
Provider). Can be up to 15 digits.
Switch Mode Active Causes the Router to act as a switch.
Incoming Calls Received
Over the Other X.25 Links
With Unknown Destination
DTE Can be Forwarded
Through This Link
Applies when Switch Mode is
Active
.
Suppress Calling Address
Public X.25 Network:
This parameter must be chosen according to the
guidelines given by the Public X.25 Network provider. When activated, the
sender's Local DTE address is not included in the Call Request Message.
Inactivity Timeout Time until connection is automatically terminated by the router if there is no
traffic.
Configure as DTE or DCE As mentioned above, the router can act either as the recipient of information
(
DTE
), or as the passer-on of information (
DCE
).
Public X.25 Network:
Both
routers are DTEs.
Number of Virtual Circuits Indicates the maximum number of virtual circuits (total of PVCs and SVCs)
allowed on this interface. The maximum is 64.
Number of Permanent
Virtual Circuits
Indicates the number of permanent virtual circuits that will be connected through
this interface. This maximum is also 64.
Layer 3 Window Size The layer 3 (packet) level window represents the number of sequentially
numbered packets that can be sent before an acknowledgement must be
received. This number may be negotiated if the Window Size Facility is utilized
(see last parameter in this table).
Layer 2 Window Size The layer 2 (frame) level window represents the number of sequentially
numbered frames that can be sent before an acknowledgement must be
received. The frame numbers are independent of the packet numbers.
this table continued