Cisco T1 Manuale utente

48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS

XE Fuji 16.7.x (Cisco NCS 4200 Series)

First Published: 2017-11-22

Americas Headquarters

Cisco Systems, Inc.

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Fax: 408 527-0883

CONTENTS

Configuring T1/E1 Interfaces on 48-Port T1/E1 Interface Module 1

CHAPTER 1

Information About T1/E1 Interfaces 1

Overview of T1/E1 Interfaces 1

Restrictions for Configuring T1/E1 Interfaces 1

How to Configure T1/E1 Interfaces 2

Setting the Card Type 2

Configuring the Controller 2

Verifying the Controller Configuration 3

Configuring Structure-Agnostic TDM over Packet - T1/E1 Interfaces 3

Verifying CEM Configuration for SAToP 3

Performance Monitoring 4

Circuit Emulation Service over Packet-Switched Network 4

Restrictions for CESoPSN on T1 Interface 5

Configuring CEM Group for CESoPSN on T1 Interface 5

Verifying CEM for CESoPSN on T1 Interface 6

Troubleshooting T1/E1 Controllers 7

Running Bit Error Rate Testing for SAToP 7

Configuring BERT for SAToP 8

Bit Error Rate Testing for CESoPSN 9

Restrictions for BERT in CESoPSN 9

Configuring BERT for CESoPSN 10

Verifying BERT Configuration for CESoPSN 10

Loopback on T1/E1 Interfaces 11

Configuring Loopback 12

Associated Commands 13

Additional References for Configuring 48-Port T1/E1 CEM Interface Module 14

48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco NCS 4200 Series)

iii

Overview of Circuit Emulation 17

CHAPTER 2

Configuring Pseudowire 17

Information About Pseudowire 17

Restrictions for CEM 17

Overview of Pseudowire 18

How to Configure Pseudowire 18

Structure-Agnostic TDM over Packet 18

Circuit Emulation Service over Packet-Switched Network 21

Associated Commands 24

Additional References for Configuring Pseudowire 25

Alarm History 27

CHAPTER 3

Alarm History Restrictions 27

Configuring Alarm History 28

Verification of Alarm History Configuration 28

Associated Commands 29

Additional References for Alarm History 29

Clock Recovery System for SAToP 31

CHAPTER 4

Finding Feature Information 31

Information About Clock Recovery 31

Adaptive Clock Recovery (ACR) 31

Differential Clock Recovery (DCR) 32

Benefits of Clock Recovery 32

Prerequisites for Clock Recovery 33

Restrictions for Clock Recovery 33

How to Configure ACR and DCR 33

Configuring ACR for T1/E1 33

Configuring Adaptive Clock Recovery of T1/E1 Interfaces for SAToP 33

Configuring DCR for T1/E1 34

Configuring Differential Clock Recovery of T1/E1 Interfaces for SAToP 34

Configuring Network Clock 36

Verifying Network Clocking Configuration 36

48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco NCS 4200 Series)

Contents

Associated Commands 36

Additional References for Clock Recovery 37

Clock Recovery System for CESoPSN 39

CHAPTER 5

Finding Feature Information 39

Information About Clock Recovery 39

Clock Recovery System in CESoPSN 39

Adaptive Clock Recovery in CESoPSN 39

Differential Clock Recovery in CESoPSN 40

Benefits of Clock Recovery 41

Prerequisites for Clock Recovery 41

Restrictions for Clock Recovery 41

How to Configure ACR and DCR 42

Configuring ACR for T1/E1 42

Configuring Adaptive Clock Recovery of T1/E1 Interfaces for SAToP 42

Configuring DCR for T1/E1 43

Configuring Differential Clock Recovery of T1/E1 Interfaces for SAToP 43

Configuring Network Clock 44

Verifying Network Clocking Configuration 45

Associated Commands 45

Additional References for Clock Recovery 46

48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco NCS 4200 Series)

Contents

48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco NCS 4200 Series)

Contents

CHAPTER 1

Configuring T1/E1 Interfaces on 48-Port T1/E1

Interface Module

This chapter provides information about configuring the T1/E1 interfaces on the 48-Port T1/E1 interface

module:

Effective Cisco IOS XE Release 16.5.1S, E1 interface is supported.

T1/E1 is supported only on Cisco NCS 4206 and Cisco NCS 4216.

Note

•Information About T1/E1 Interfaces, on page 1

•How to Configure T1/E1 Interfaces, on page 2

•Circuit Emulation Service over Packet-Switched Network, on page 4

•Troubleshooting T1/E1 Controllers, on page 7

•Associated Commands, on page 13

•Additional References for Configuring 48-Port T1/E1 CEM Interface Module , on page 14

Information About T1/E1 Interfaces

The following sections provide information about T1/E1 interfaces.

Overview of T1/E1 Interfaces

The 48-Port T1/E1 interface module on CEM line card supports generic single or dual-port T1/E1 trunk

interfaces for voice, data, and integrated voice or data applications.

Restrictions for Configuring T1/E1 Interfaces

• You can configure CEM to support serial interface configuration.

• The supported BERT patterns are 1s, 2^11, 2^15, 2^20-O153, 2^20-QRSS, and 2^23.

48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco NCS 4200 Series)

How to Configure T1/E1 Interfaces

This section provides information about configuring T1/E1 interfaces on the 48-Port T1/E1 interface module

Recommended Pattern for Lincecode

The following pattern for linecode confirguration is supported for DS1/E1.

Random PatternT1/E1Linecode ConfigurationPart Number

QRSST1B8ZS/AMIXRT83VSH316 LIU

PRBS15E1HDB3/AMI

Setting the Card Type

To set the card type for the T1/E1 interfaces, complete these steps:

enable

configure terminal

card type t1/e1 0 0

exit

Configuring the Controller

To configure T1 interface, use the following commands:

enable

configure terminal

controller t1 0/3/0

clock source internal

framing esf

cablelength short 110

linecode b8zs

no shut

exit

For T1 interface, the default frame mode is Extended Super Frame (ESF).

Note

To configure E1 interface, use the following commands:

enable

configure terminal

controller e1 0/3/0

clock source internal

framing crc4

linecode hdb3

no shut

exit

48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco NCS 4200 Series)

Configuring T1/E1 Interfaces on 48-Port T1/E1 Interface Module

How to Configure T1/E1 Interfaces

For E1 interface, the default frame mode is Cyclic Redundancy Check 4 (CRC4).

Note

Verifying the Controller Configuration

Use the show controllers command to verify the controller configuration:

Router# show controller t1 0/0/0

T1 0/0/0 is up.

Applique type is NCS4200-48T1E1-CE

Cablelength is short 110

No alarms detected.

alarm-trigger is not set

Soaking time: 3, Clearance time: 10

AIS State:Clear LOS State:Clear LOF State:Clear

Framing is unframed, Line Code is B8ZS, Clock Source is Internal.

Data in current interval (230 seconds elapsed):

0 Line Code Violations, 0 Path Code Violations

0 Slip Secs, 0 Fr Loss Secs, 9 Line Err Secs, 0 Degraded Mins

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

0 Near-end path failures, 0 Far-end path failures, 0 SEF/AIS Secs

Configuring Structure-Agnostic TDM over Packet - T1/E1 Interfaces

To configure Structure-Agnostic TDM over Packet (SAToP), use the following commands:

enable

configure terminal

controller t1/e1 0/0/0

cem-group 0 unframed

exit

interface CEM 0/0/0

cem 0

xconnect 10.10.10.10 200 encapsulation mpls

exit

To configure SAToP, the framing mode for the port is set to unframed.

Note

Verifying CEM Configuration for SAToP

Use the following command to verify the CEM configuration for T1/E1 interfaces:

Router# show cem circuit interface CEM 0/0/0

CEM0/0/0, ID: 0, Line: UP, Admin: UP, Ckt: ACTIVE

Controller state: up, T1/E1 state: up

Idle Pattern: 0xFF, Idle CAS: 0x8

Dejitter: 5 (In use: 0)

Payload Size: 192

Framing: Unframed

CEM Defects Set

None

48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco NCS 4200 Series)

Configuring T1/E1 Interfaces on 48-Port T1/E1 Interface Module

Verifying the Controller Configuration

Signalling: No CAS

RTP: No RTP

Ingress Pkts: 475471 Dropped: 0

Egress Pkts: 475471 Dropped: 0

CEM Counter Details

Input Errors: 0 Output Errors: 0

Pkts Missing: 0 Pkts Reordered: 0

Misorder Drops: 0 JitterBuf Underrun: 0

Error Sec: 0 Severly Errored Sec: 0

Unavailable Sec: 0 Failure Counts: 0

Pkts Malformed: 0 JitterBuf Overrun: 0

Performance Monitoring

You can view the statistics or error count generated on the TDM lines for DS1.

The performance monitoring result is displayed using the show controller command for all the modes. The

following snippets display the performance monitoring details when show controller command is executed:

Router# show controllers t1/e1 0/2/1

T1/E1 0/2/1 is down.

Applique type is NCS4200-48T1E1-CE

Cablelength Short less than 225ft

Receiver has loss of signal.

alarm-trigger is not set

Soaking time: 3, Clearance time: 10

AIS State:Clear LOS State:Clear LOF State:Clear

Framing is ESF, Line Code is B8ZS, Clock Source is Line.

Data in current interval (450 seconds elapsed):

0 Line Code Violations, 0 Path Code Violations

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 449 Unavail Secs

0 Near-end path failures, 0 Far-end path failures, 0 SEF/AIS Secs

Data in Interval 1:

0 Line Code Violations, 0 Path Code Violations

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 900 Unavail Secs

0 Near-end path failures, 0 Far-end path failures, 0 SEF/AIS Secs

Data in Interval 2:

0 Line Code Violations, 0 Path Code Violations

0 Slip Secs, 0 Fr Loss Secs, 485 Line Err Secs, 0 Degraded Mins

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 897 Unavail Secs

0 Near-end path failures, 0 Far-end path failures, 0 SEF/AIS Secs

Total Data (last 2 15 minute intervals):

0 Line Code Violations, 0 Path Code Violations,

0 Slip Secs, 0 Fr Loss Secs, 485 Line Err Secs, 0 Degraded Mins,

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 1797 Unavail Secs

0 Near-end path failures, 0 Far-end path failures, 0 SEF/AIS Secs

Circuit Emulation Service over Packet-Switched Network

CESoPSN is a method for encapsulating structured (NxDS0) TDM signals as pseudowires over packet

switching networks.

48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco NCS 4200 Series)

Configuring T1/E1 Interfaces on 48-Port T1/E1 Interface Module

Performance Monitoring

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