Paradyne CSU User Manual download pdf (Page 54)

4. Configuration Options

4-10

September 2002 9128-A2-GB20-80

NOTE:

If the default setting (1MPort or 1PPort) is not the setting required for your

application, change the Frame Relay Discovery Mode

before

connecting the

network cable or editing discovered option settings. Otherwise, the

FrameSaver unit will start discovering DLCIs as soon as it powers up.

If this occurs, you can recover by deleting the discovered DLCIs. If only a local

management PVC between the router and the FrameSaver unit has been

configured, simply select the desired Frame Relay Discovery Mode and S

ave

the change.

The default discovery mode, depending on model, is 1MPort or 1PPort.

When 1MPort mode is active, the unit creates for each DLCI discovered on the

network a multiplexed network interface DLCI (which contains two EDLCIs: one for

Port-1 data and the other for management), a standard Port-1 DLCI (with the same

number as the network interface DLCI), and a Management PVC, then

cross-connects them. When LMI is active on the network interface and PVC status

information (with provisioned DLCI numbers) is next received from the network,

the unit automatically saves the settings to the Current Configuration area.

When 1PPort mode is active, the unit uses the Network DLCI values obtained from

the Network LMI status response message to automatically configure for each

DLCI a corresponding DLCI for Port 1 having the same numeric value as the

Network DLCI, and automatically cross connects them. The DLCIs created on the

network side are IP Enabled (not standard or multiplexed) DLCIs. In addition,

payload management is configured for the network DLCI and assigned the Node

IP Address.

Configuration options set by selecting a discovery mode can be manually

modified, refined, or deleted at any time using the Configuration menus. No

previously discovered and configured DLCIs or cross-connections will be removed

unless authorized or Automatic Circuit Removal is enabled (see

Automatically

Removing a Circuit

on page 4-11). Additional discovered DLCIs will be configured

according to the current Frame Relay Discovery Mode setting. Selecting or

changing the setting will not affect IP Addresses or Subnet Masks.

NOTE:

When auto-configuration creates a multiplexed DLCI, but a standard DLCI is

needed, change the DLCI to standard from the network DLCI Records screen:

Configuration

→

Network

→

DLCI Records

NetOnly Auto-configuration of a network DLCI only; no Port-1 or

PVC connections are configured.

No Port-1, PVC connection, or management DLCI is

configured.

Disable

No frame relay discovery or automatic configuration

takes place.

The FrameSaver unit will be configured manually.

Discovery Mode Configuration Description

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Paradyne CSU User Manual Page 54

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