Cisco NCS 4200 Series Manuale utente

Time Division Multiplexing Configuration Guide, Cisco IOS XE Everest

16.5.1 (Cisco NCS 4200 Series)

Configuring VCoP Smart SFP 2

Features of VCoP Smart SFP 2

Benefits of VCoP Smart SFP 3

Prerequisites 3

Restrictions 4

Alarms on VCoP Smart SFP 4

Configuring VCoP Smart SFP 5

Performance Monitoring and Overhead Bytes 15

Troubleshooting 17

Configuration Examples for VCoP Smart SFP 24

Associated Commands 26

Additional References for VCoP Smart SFP 27

Revised: December 11, 2017,

Configuring VCoP Smart SFP

The Virtual Container over Packet (VCoP) smart small form-factor pluggable (SFP) forwards the Plesiochronous Digital Hierarchy

(PDH)/SONET signal transparently across the packet network. VCoP smart SFP is a special type of transceiver which encapsulates

SONET frames on STS-1, STS-3C or STS-12C, and T3 frames on STS-1 channels into a single circuit emulating pseudowire and

transports it to a single destination over Packet Switched Network (PSN).

The VCoP smart SFP feature is supported only on Cisco NCS 4201 and Cisco NCS 4202 Series.

With effect from Cisco IOS XE 16.5.1S Release, VCoP smart SFP supports T3 mode.

Note

Features of VCoP Smart SFP

VCoP smart SFP provides support for the following features:

•Supports configuration on Gigabit Ethernet(GE) and TenGigabit Ethernet(10GE) ports of the chassis.

•OC-3 or OC-12 mode supports 15 km Duplex over GE and 10GE.

•T3 mode supports 450ft over GE and 10GE.

•VCoP smart SFP on OCn mode supports 1310nm laser optics and is multi source agreement (MSA) compliant.

•Supports SONET CEP (IETF RFC 4842).

•For peer end, supports use of any SFP or interface module that supports CEP protocol.

•Supports pseudowire configuration.

•Supports Online Insertion and Removal (OIR).

If after configuring a VCoP smart SFP, you remove and reinsert the VCoP smart SFP,

the configuration persists. But, if you insert a non-VCoP SFP, the configuration is

removed.

Note

•Supports packetization, de-packetization, and clock recovery.

•Supports Explicit Pointer Adjustment Relay (EPAR).

•Supports alarms and performance monitoring.

•Supports loopback and BERT.

•Supports the following jitter buffer values:

◦OC-3 - 8ms

◦OC-12 - 4ms

◦T3 - 8ms

•Both OCx and PDH are supported on Cisco NCS 4201 and NCS 4202 Routers.

Benefits of VCoP Smart SFP

•Supports channelization upto STS1 channel

•Reduces network complexity

Prerequisites

•The Multi-Protocol Label Switching (MPLS) and Interior Gateway Protocol (IGP) endpoints are up and running fine between

the PE nodes.

•Ensure that SyncE is configured.

•Use the PTP Telecom profile, G.8265.1 for frequency synchronization, for CEM.

•VCoP smart SFP on OCn mode supports single-mode optical fiber cables.

•Port interface is set as default by using the default int Gig 0/0/8 command before inserting VCoP smart SFP on GE or 10GE

port.

•The GE or 10GE port interface is brought up using the no shutdown command.

•In cases where a non-VCoP SFP is to be inserted on any port from which any VCoP smart SFP is removed, then before inserting

non-VCoP SFP, the VCoP smart SFP configuration is removed using the below commands:

◦For OC-3

no platform smart-sfp interface Gig x/y/z type oc-3

◦For OC-12

no platform smart-sfp interface Gig x/y/z type oc-12

◦For T3

no platform smart-sfp interface Gig x/y/z type ds3

Note •Replace GE with 10GE in the above commands to configure VCoP as 10GE port

interface when inserted in a 10GE port.

•There is no need to remove platform smart-sfp interface Gig/TenGig x/y/z type

oc-3/oc-12/ds3 command if you are replacing one VCoP smart SFP with the same

or another VCoP smart SFP.

•To connect the CE nodes, VCoP smart SFP uses single mode fiber (SMF) over the LC optical interface for OCx mode and DIN

1.0/2.3 Coaxial connector cable for T3 mode.

Recommended interfacing connector for the T3 VCoP SFP is Compel 1.0/2.3 Coaxial

connector P/N 350.064.621.

Note

Restrictions

•The payload size is fixed to STS1 and is 783 bytes.

•VCoP smart SFP does not support Stateful Switchover (SSO).

•For QoS, VCoP smart SFP supports only the default MPLS experimental marking.

•At a time, OC-3/OC-12 supports BERT at any one path. T3 supports BERT only at one port.

•VCoP smart SFP does not support E3 mode.

•The chassis supports up to 12 VCoP smart SFPs.

•The T3 mode supports 1 CEP circuit and can sustain the traffic up to 45mbps.

•The Cisco NCS 4201 supports a maximum of 12 VCoP smart SFPs and only on GE ports of the top row.

•The Cisco NCS 4202 supports a maximum of eight VCoP smart SFPs and on all GE and 10GE ports.

•BERT on OCn VCoP is supported only at STS-1 path level. VCoP hardware does not support BERT at concatenated paths.

Alarms on VCoP Smart SFP

VCoP smart SFP supports the following alarms on OC-3 or OC-12 mode:

•Loss of Signal (LOS)

•Loss of Frame (LOF)

•Alarm Indication Signal (MS-AIS, AU-AIS)

•Remote Defect Indication Line (RDI-L)

•Loss of Pointer (AU-LOP)

•Path Unequipped Indication Signal (PUNEQ)

VCoP smart SFP supports the following alarms on T3 mode:

•Loss of Signal (LOS)

•Loss of Frame (LOF)

•Alarm Indication Signal (MS-AIS, AU-AIS)

•Remote Alarm Indication (RAI)

Configuring VCoP Smart SFP

Before You Begin

Ensure MPLS and IGP are active between the PE nodes.

VCoP smart SFP supports the following valid CEP Pseudo Wire (PW) configurations:

CEP PWsMode

Note

3* STS-1 or 1* STS-3cOC-3

Valid mix of STS-1, STS-3c or STS-12cOC-12

1*STS-1T3

You can configure VCoP smart SFP on OC-3 or OC-12 mode.

1Enable VCoP smart SFP using the platform command.

2Configure controller for CEM circuits.

3Configure xConnect for CEM circuit.

You can configure VCoP smart SFP on T3 mode.

1Enable VCoP smart SFP using the platform command.

2Configure controller for CEM circuits.

3Configure cablelength.

4Configure xConnect for CEM circuit.

Configuring VCoP Smart SFP on OC-3

Enabling VCoP Smart SFP on OC-3

You can enable VCoP smart SFP for STS1 and STS-3c channels on OC-3.

enable

configure terminal

platform smart-sfp interface GigabitEthernet 0/0/8 type OC-3

exit

Configuring Framing for CEM Circuits for STS-1 on OC-3

enable

configure terminal

controller SONET 0/0/8

framing sonet

sts-1 1

mode unframed

cem-group 20 cep

sts-1 2

mode unframed

cem-group21 cep

sts-1 3

mode unframed

cem-group 22 cep

exit

Configuring CEM Circuits on VCoP for STS-3c on OC-3

enable

configure terminal

controller SONET 0/0/10

framing sonet

sts-1 1-3 mode sts-3c

cem-group 0 cep

overhead c2 0

exit

Configuring Cross-connect for STS-1 on OC-3

Ensure that the VC number configured in xconnect command is the same on both PEs.Note

enable

configure terminal

interface CEM0/0/8

no ip address

cem 20

xconnect 2.2.2.2 3000 encapsulation mpls

cem 21

xconnect 2.2.2.2 3001 encapsulation mpls

cem 22

xconnect 2.2.2.2 3002 encapsulation mpls

exit

Configuring Cross-connect for STS-3C on OC-3

enable

configure terminal

interface GigabitEthernet0/0/10

no ip address

negotiation auto

interface CEM0/0/10

no ip address

cem 0

xconnect 2.2.2.2 1000 encapsulation mpls

exit

Verifying VCoP Smart SFP Configuration for STS-1 on OC-3

Use the show cem circuit command to verify the VCoP smart SFP configuration.

Device# show cem circuit detail

CEM0/0/8, ID: 20, Line: UP, Admin: UP, Ckt: ACTIVE

Controller state: up, CEP state: up

Idle Pattern: 0xFF, Idle CAS: 0x8

Dejitter: 5 (In use: 0)

Payload Size: 783

Framing: Unframed

CEM Defects Set

None

Signalling: No CAS

RTP: No RTP

Ingress Pkts: 24000 Dropped: 0

Egress Pkts: 24000 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

CEM0/0/8, ID: 21, Line: UP, Admin: UP, Ckt: ACTIVE

Controller state: up, CEP state: up

Idle Pattern: 0xFF, Idle CAS: 0x8

Dejitter: 5 (In use: 0)

Payload Size: 783

Framing: Unframed

CEM Defects Set

None

Signalling: No CAS

RTP: No RTP

Ingress Pkts: 24000 Dropped: 0

Egress Pkts: 24000 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

CEM0/0/8, ID: 22, Line: UP, Admin: UP, Ckt: ACTIVE

Controller state: up, CEP state: up

Idle Pattern: 0xFF, Idle CAS: 0x8

Dejitter: 5 (In use: 0)

Payload Size: 783

Framing: Unframed

CEM Defects Set

None

Signalling: No CAS

RTP: No RTP

Ingress Pkts: 24000 Dropped: 0

Egress Pkts: 24000 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

Device# show cem circuit

CEM Int. ID Ctrlr Admin Circuit AC

--------------------------------------------------------------

CEM0/0/8 20 UP UP Active UP

CEM0/0/8 21 UP UP Active UP

CEM0/0/8 22 UP UP Active UP

Device# show mpls l2 vc

Local intf Local circuit Dest address VC ID Status

------------- -------------------------- --------------- ---------- ----------

CE0/0/8 CEM 20 2.2.2.2 3000 UP

CE0/0/8 CEM 21 2.2.2.2 3001 UP

CE0/0/8 CEM 22 2.2.2.2 3002 UP

Verifying VCoP Smart SFP Configuration for STS-3C on OC-3

Use the show controller command to verify the VCoP smart SFP configuration.

Device#show controller sonet 0/0/10

SONET 0/0/10 is up.

Hardware is 12xGE-4x10GE-FIXED

Port configured rate: OC-3

Applique type is Channelized Sonet/SDH

Clock Source is Line

Medium info:

Type: Sonet, Line Coding: NRZ,

SECTION:

LOS = 0 LOF = 0 BIP(B1) = 0

SONET/SDH Section Tables

INTERVAL CV ES SES SEFS

15:58-16:11 0 0 0 0

LINE:

AIS = 0 RDI = 0 REI = 0 BIP(B2) = 0

Active Defects: None

Detected Alarms: None

Asserted/Active Alarms: None

Alarm reporting enabled for: SLOS SLOF SF B1-TCA B2-TCA

BER thresholds: SF = 10e-3 SD = 10e-6

TCA thresholds: B1 = 10e-6 B2 = 10e-6

Rx: S1S0 = 40

K1 = 00, K2 = 00

J0 = 01

RX S1 = 00

Tx: S1S0 = 00

K1 = 00, K2 = 00

J0 = 01

SONET/SDH Line Tables

INTERVAL CV ES SES UAS

15:58-16:11 0 0 0 0

High Order Path:

PATH 1:

AIS = 0 RDI = 0 REI = 0 BIP(B3) = 0

LOP = 0 PSE = 0 NSE = 0 NEWPTR = 0

LOM = 0 PLM = 0 UNEQ = 0

Active Defects: None

Detected Alarms: None

Asserted/Active Alarms: None

Alarm reporting enabled for: PLOP LOM B3-TCA

TCA threshold: B3 = 10e-6

Rx: C2 = 00

Tx: C2 = 00

PATH TRACE BUFFER : UNSTABLE

00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

SONET/SDH Path Tables

INTERVAL CV ES SES UAS

16:11-16:11 0 0 0 0

STS-1 1 - 3 mode sts-3c

cep is configured: TRUE cem_id :0

Path 2:

configured as member of a concatenated interface

Path 3:

configured as member of a concatenated interface

Configuring VCoP Smart SFP on OC-12

Enabling VCoP Smart SFP on OC-12

You can enable VCoP smart SFP for STS-1 and STS-12C channels on OC-12.

enable

configure terminal

platform smart-sfp interface GigabitEthernet 0/0/8 type OC12

exit

Configuring Framing for CEM Circuits for STS-1 on OC-12

enable

configure terminal

controller SONET 0/0/8

framing sonet

sts-1 1

mode unframed

cem-group 20 cep

sts-1 2

mode unframed

cem-group21 cep

sts-1 3

mode unframed

cem-group 22 cep

sts-1 4

mode unframed

sts-1 5

mode unframed

sts-1 6

mode unframed

sts-1 7

mode unframed

sts-1 8

mode unframed

sts-1 9

mode unframed

sts-1 10

mode unframed

sts-1 11

mode unframed

sts-1 12

mode unframed

exit

Configuring CEM Circuits on VCoP for STS-12C on OC-12

enable

configure terminal

controller SONET 0/0/8

framing sonet

sts-1 1-12 mode sts-12c

cem-group0 cep

overhead c2 2

exit

Configuring Cross-connect for STS-1 on OC-12

enable

configure terminal

interface CEM 0/0/8

no ip address

cem 20

xconnect 2.2.2.2 3000 encapsulation mpls

cem 21

xconnect 2.2.2.2 3001 encapsulation mpls

cem 22

xconnect 2.2.2.2 3002 encapsulation mpls

cem 23

cem 24

cem 25

cem 26

cem 27

cem 28

cem 29

cem 30

cem 31

exit

Configuring Cross-connect for STS-12C on OC-12

enable

configure terminal

interface GigabitEthernet 0/0/8

no ip address

negotiation auto

interface CEM 0/0/8

no ip address

cem 0

xconnect 2.2.2.2 2222 encapsulation mpls

exit

Verifying VCoP Smart SFP Configuration for STS-1 on OC-12

Use the show cem circuit and show mpls l2 vc commands to verify the VCoP smart SFP configuration.

Device# show cem circuit detail

CEM0/0/8, ID: 20, Line: UP, Admin: UP, Ckt: ACTIVE

Controller state: up, CEP state: up

Idle Pattern: 0xFF, Idle CAS: 0x8

Dejitter: 5 (In use: 0)

Payload Size: 783

Framing: Unframed

CEM Defects Set

None

Signalling: No CAS

RTP: No RTP

Ingress Pkts: 24000 Dropped: 0

Egress Pkts: 24000 Dropped: 0

CEM Counter Details

Input Errors: 0 Output Errors: 0

Pkts Missing: 0 Pkts Reordered: 0

Misorder Drops: 0 JitterBuf Underrun: 0

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