Provision End-to-end Service (Cisco Routers with ZR/ZR+ Optics and NCS 2000 Devices)

These diagrams display a network that contains Cisco routers with ZR or ZR+ optics and NCS 2000 devices.

1. Define the inter-layer links.

   ron inter-layer-link ron-8201-1 0/0/0/8
    site "Los Angeles"
    ols-domain network-element ron-ols-1
    ols-domain optical-add-drop 1/2007/1/18,17
    ols-domain optical-controller onc-cw-100
   !
   ron inter-layer-link ron-8201-2 0/0/0/8
    site Phoenix
    ols-domain network-element ron-ols-2
    ols-domain optical-add-drop 1/2007/1/18,17
    ols-domain optical-controller onc-cw-100
   !
   

   Note	The add drop port on ron-ols-1 in R/S/I/P format is 1/2007/1/17,18. Two ports are configured for both RX and TX but a single port can also be given.

   In the function pack, the network-element and optical-add-drop is converted into the TAPI inventory format.

   ron-ols-1 and 1/2007/1/18,17 = /ne=ron-ols-1/r=1/sh=2007/sl=1/s_sl=0/p=18,17
   

2. Create Routed Optical Networking ML service with following parameters:

   Input	Value
   End-points	ron-8201-1, ron-8201-2
   Model	Transponder (1x400G mode)
   Bandwidth	400G
   Frequency	Supplied by Cisco Optical Network Controller. This value may be user defined too.
   TX Power	Supplied by Cisco Optical Network Controller. This value may be user defined too.
   IP Addressing	10.2.1.10/31 and 10.2.1.11/31 on FourHundredGigE 0/0/0/8

   ron ron-ml ron-8201-1_ron-8201-2
    mode      transponder
    bandwidth 400
    ols-domain service-state UNLOCKED
    end-point ron-8201-1
     terminal-device-optical line-port 0/0/0/8
     ols-domain end-point-state UNLOCKED
     terminal-device-packet interface 0
      ip-address v4 10.2.1.10/31
     !
    !
    end-point ron-8201-2
     terminal-device-optical line-port 0/0/0/8
     ols-domain end-point-state UNLOCKED
     terminal-device-packet interface 0
      ip-address v4 10.2.1.11/31
     !
    !
   !

NSO Routed Optical Networking ML Service

This diagram displays the NSO Routed Optical Networking ML service workflow for an end-to-end service (Cisco routers with ZR/ZR+ optics and NCS 2000 devices).

The workflow of the Routed Optical Networking ML service is as follows:

1. User populates the inter-Layer link DB for each router end-point.

2. User initiates the Routed Optical Networking ML provisioning request.

3. The Routed Optical Networking ML service retrieves the transceiver and line card PIDs for each router end-point using Cisco YANG models.

4. The Routed Optical Networking ML service compares the received transceiver PIDs and determines if the transceivers can support the service.

5. The Routed Optical Networking ML service compares the received line card PIDs, and determines if the line cards need to be configured.

6. If there is no explicit SIP UUID, the Routed Optical Networking ML service performs a lookup for the SIP via the Optical Network Controller TAPI using the INVENTORY_ID.

7. The Routed Optical Networking ML service sends a TAPI connectivity-service request to Optical Network Controller for optical provisioning using SIPs and ZR/ZR+ application IDs.

8. Cisco Optical Network Controller returns the state after the provisioning is complete. Cisco Optical Network Controller optionally returns the wavelength and TX power if these parameters are not user-defined.

9. The Routed Optical Networking ML service provisions the router optics ports. It optionally performs Shared Risk Link Group (SRLG), bundle and IP configuration using the Cisco YANG models.

10. The Routed Optical Networking ML service stores the service information as NSO operational data and also returns the service state to user.

Provision End-to-end Service (Cisco Routers with ZR/ZR+ Optics Only)

These diagrams display a network that contains Cisco routers with ZR or ZR+ optics and a non-Cisco optical line system.

1. Create Routed Optical Networking ML Service with the following parameters:

   Input	Value
   End-points	ron-8201-1, ron-8201-2
   Model	Transponder (1x400G mode)
   Bandwidth	400G
   Frequency	1952000
   TX Power	-12dB on both endpoints
   IP Addressing	10.2.1.10/31 and 10.2.1.11/31 on FourHundredGigE 0/0/0/8

   ron ron-ml ron-8201-1_ron-8201-2
    mode      transponder
    bandwidth 400
    circuit-id "Router Only"
    frequency  1952000
    end-point ron-8201-1
     terminal-device-optical line-port 0/0/0/8
     terminal-device-optical transmit-power -120
     terminal-device-packet interface 0
      ip-address v4 10.2.1.10/31
     !
    !
    end-point ron-8201-2
     terminal-device-optical line-port 0/0/0/8
     terminal-device-optical transmit-power -120
     terminal-device-packet interface 0
      ip-address v4 10.2.1.11/31
     !
    !
   !
   

NSO Routed Optical Networking ML Service

This diagram displays the NSO Routed Optical Networking ML service workflow for an end-to-end service (only Cisco routers with ZR/ZR+ optics).

The workflow of the Routed Optical Networking ML service is as follows:

1. User initiates the Routed Optical Networking ML provisioning request.

2. The Routed Optical Networking ML service retrieves the transceiver and line card PIDs for each router end-point using CLI NED.

3. The Routed Optical Networking ML service compares the received transceiver PIDs and determines if the transceivers can support the service.

4. The Routed Optical Networking ML service compares the received line card PIDs, and determines if the line cards must be configured.

5. The Routed Optical Networking ML service provisions the router optics ports. It optionally performs bundle and IP configuration using the Cisco YANG models.

6. The Routed Optical Networking ML service stores the service information as NSO operational data and also returns the service state to user.

Provisioning on ZR or ZR+ Optics

• To check the controller state on the router, use:

  RP/0/RP0/CPU0:ron-8201-1#show controllers optics 0/0/0/20
  Thu Jun  3 15:34:44.098 PDT
  
   Controller State: Up
  
   Transport Admin State: In Service
  
   Laser State: On
  
   LED State: Green
  
   FEC State: FEC ENABLED
  
   Optics Status
  
           Optics Type:  QSFPDD 400G ZR
           DWDM carrier Info: C BAND, MSA ITU Channel=10, Frequency=195.65THz,
           Wavelength=1532.290nm
  
           Alarm Status:
           -------------
           Detected Alarms: None
  
  
           LOS/LOL/Fault Status:
  
           Alarm Statistics:
  
           -------------
           HIGH-RX-PWR = 0            LOW-RX-PWR = 0
           HIGH-TX-PWR = 0            LOW-TX-PWR = 4
           HIGH-LBC = 0               HIGH-DGD = 1
           OOR-CD = 0                 OSNR = 10
           WVL-OOL = 0                MEA  = 0
           IMPROPER-REM = 0
           TX-POWER-PROV-MISMATCH = 0
           Laser Bias Current = 0.0 %
           Actual TX Power = -7.17 dBm
           RX Power = -9.83 dBm
           RX Signal Power = -9.18 dBm
           Frequency Offset = 9 MHz
  

  RP/0/RP0/CPU0:ron-8201-1#show controllers coherentDSP 0/0/0/20
  Thu Jun  3 15:38:04.565 PDT
  
  Port                                            : CoherentDSP 0/0/0/20
  Controller State                                : Up
  Inherited Secondary State                       : Normal
  Configured Secondary State                      : Normal
  Derived State                                   : In Service
  Loopback mode                                   : None
  BER Thresholds                                  : SF = 1.0E-5  SD = 1.0E-7
  Performance Monitoring                          : Enable
  Bandwidth                                       : 400.0Gb/s
  
  Alarm Information:
  LOS = 8 LOF = 0 LOM = 0
  OOF = 0 OOM = 0 AIS = 0
  IAE = 0 BIAE = 0        SF_BER = 0
  SD_BER = 0      BDI = 0 TIM = 0
  FECMISMATCH = 0 FEC-UNC = 0     FLEXO_GIDM = 0
  FLEXO-MM = 0    FLEXO-LOM = 0   FLEXO-RDI = 0
  FLEXO-LOF = 2
  Detected Alarms                                 : None
  
  Bit Error Rate Information
  PREFEC  BER                                     : 1.5E-03
  POSTFEC BER                                     : 0.0E+00
  Q-Factor                                        : 9.40 dB
  
  Q-Margin                                        : 2.20dB
  
  OTU TTI Received
  
  FEC mode                                        : C_FEC
  

• To gather the performance measurement data, use:

  RP/0/RP0/CPU0:ron-8201-1#show controllers optics 0/0/0/20 pm current 30-sec optics 1
  Thu Jun  3 15:39:40.428 PDT
  
  Optics in the current interval [15:39:30 - 15:39:40 Thu Jun 3 2021]
  
  Optics current bucket type : Valid
                 MIN       AVG       MAX    Operational Configured TCA   Operational Configured TCA
                                            Th(min)     Th(min)   (min)  Th(max)     Th(max)   (max)
  LBC[% ]      : 0.0       0.0       0.0      0.0          NA       NO   100.0       NA          NO
  OPT[dBm]     : -7.17     -7.17     -7.17    -15.09       NA       NO   0.00        NA          NO
  OPR[dBm]     : -9.86     -9.86     -9.85    -30.00       NA       NO   8.00        NA          NO
  CD[ps/nm]    : -489      -488      -488     -80000       NA       NO   80000       NA          NO
  DGD[ps ]     : 1.00      1.50      2.00     0.00         NA       NO   80.00       NA          NO
  SOPMD[ps^2]  : 28.00     38.80     49.00    0.00         NA       NO   2000.00     NA          NO
  OSNR[dB]     : 34.90     35.12     35.40    0.00         NA       NO   40.00       NA          NO
  PDL[dB]      : 0.70      0.71      0.80     0.00         NA       NO   7.00        NA          NO
  PCR[rad/s]   : 0.00      0.00      0.00     0.00         NA       NO   2500000.00  NA          NO
  RX_SIG[dBm]  : -9.23     -9.22     -9.21    -30.00       NA       NO   1.00        NA          NO
  FREQ_OFF[Mhz]: -2        -1        4        -3600        NA       NO   3600        NA          NO
  SNR[dB]      : 16.80     16.99     17.20    7.00         NA       NO   100.00      NA          NO

  RP/0/RP0/CPU0:ron-8201-1#show controllers coherentDSP 0/0/0/20 pm current 30-sec fec
  Thu Jun  3 15:42:28.510 PDT
  
  g709 FEC in the current interval [15:42:00 - 15:42:28 Thu Jun 3 2021]
  
  FEC current bucket type : Valid
      EC-BITS   : 20221314973             Threshold : 83203400000            TCA(enable)  : YES
      UC-WORDS  : 0                       Threshold : 5                      TCA(enable)  : YES
  
                MIN       AVG        MAX      Threshold      TCA     Threshold     TCA
                                                (min)     (enable)    (max)     (enable)
  PreFEC BER  : 1.5E-03   1.5E-03   1.6E-03      0E-15        NO       0E-15        NO
  PostFEC BER :  E-15     0E-15     0E-15      0E-15        NO       0E-15        NO
  Q[dB]       : 9.40      9.40      9.40          0.00        NO        0.00        NO
  Q_Margin[dB]: 2.20      2.20      2.20          0.00        NO        0.00        NO
  
  Last clearing of "show controllers OTU" counters never

This table contains the streaming telemetry sensor paths and the information fields that you receive from them.

Note	The performance management sensor paths show the sensor path for a 30-second performance measurement (PM) interval. They also support 15 minutes and 24 hours. To access these options, replace second30 in the sensor path with minute15 and hour24 respectively.

NSO Provisioning

The following figure displays a successful provisioning scenario.

The following figure displays a failed provisioning scenario, due to an error in the Cisco Optical Network Controller provisioning.

Crosswork Hierarchical Controller Provisioning

In the event of a failed configuration, the configuration state transitions to FAILED. The Last Operation is in the Rollback stage where it rolls back the configuration.

After clicking the service, you can click on ERRORS to check the reason for failure. In this case, the discovery of the operational state exceeded the discovery timeout. The reason for this is, one end of the link was in a loopback state, which did not prohibit the provisioning of the ports, but affected the reachability between the two endpoints.

The logs display both the provisioning flow and the rollback flow.