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Example: Configuring a Channelized Interface for an ISDN PRI Network Service

This example shows how to configure an ISDN PRI network service on a channelized interface.

Requirements

No special configuration beyond device initialization is required before configuring this feature.

Overview

In this example, you create the ct1–2/0/0 interface and partition the interface into time slots 1 through 23 for B-channels and time slot 24 for the D-channel. You set the B-channel allocation order to ascending. You also set the traceoptions flag to ipc. You select National ISDN-2 (NI2) as the ISDN switch type, set the T310 timer to 15, and create a dialer pool called isdn-dialer-group with a priority of 1.

Configuration

CLI Quick Configuration

To quickly configure this example, copy the following commands, paste them into a text file, remove any line breaks, change any details necessary to match your network configuration, and then copy and paste the commands into the CLI at the [edit] hierarchy level.

set interfaces ct1-2/0/0 partition 1-23 timeslots 1-23set interfaces ct1-2/0/0 partition 1-23 interface-type bc set interfaces ct1-2/0/0 partition 24 timeslots 24 set interfaces ct1-2/0/0 partition 24 interface-type dcset interfaces ct1-2/0/0 traceoptions flag ipc set interfaces ct1-2/0/0 isdn-options bchannel-allocation ascending set interfaces ct1-2/0/0 isdn-options switch-type ni2 t310 15 set interfaces ct1-2/0/0 dialer-options pool isdn-dialer-group priority 1

Step-by-Step Procedure

The following example requires you to navigate various levels in the configuration hierarchy. For instructions on how to do that, see Using the CLI Editor in Configuration Mode.

To configure an ISDN PRI network service on a channelized interface:

Create an interface.
[edit] user@host# edit interfaces ct1-2/0/0
Configure the partition and interface type.
[edit interfaces ct1-2/0/0] user@host# set partition 1-23 timeslots 1-23user@host# set partition 1-23 interface-type bcuser@host# set partition 24 timeslots 24user@host# set partition 24 interface-type dc
Configure a trace options flag.
[edit interfaces ct1-2/0/0] user@host# set traceoptions flag ipc
Configure the B-channel allocation order.
[edit interfaces ct1-2/0/0] user@host# set isdn-options bchannel-allocation ascending
Select the ISDN switch type.
[edit interfaces ct1-2/0/0]user@host# set isdn-options switch-type ni2
Configure the T310 timers.
[edit interfaces ct1-2/0/0] user@host# set isdn-options t310 15
Configure dialer options.
[edit interfaces ct1-2/0/0]user@host# set dialer-options pool isdn-dialer-group priority 1

Results

From configuration mode, confirm your configuration by entering the show interfaces ct1-2/0/0 command. If the output does not display the intended configuration, repeat the configuration instructions in this example to correct it.

[edit]user@host# show interfaces ct1-2/0/0

traceoptions {flag ipc;}partition 1-23 timeslots 1-23 interface-type bc;partition 24 timeslots 24 interface-type dc;isdn-options {switch-type ni2;t310 15;bchannel-allocation ascending;}dialer-options {pool isdn-dialer-group priority 1;}

If you are done configuring the device, enter commit from configuration mode.

Verification

Confirm that the configuration is working properly.

Verifying ISDN PRI Configuration on Channelized Interfaces

Verifying ISDN PRI Configuration on Channelized Interfaces

Purpose

Verify that your configuration of the ISDN PRI service on a channelized interface is correct.

Action

From configuration mode, enter the show interfaces ct1-2/0/0 command.