gRPC Reference Guide

Release 20.0
Version 001

Document ID 1900-001651

Infinera Corporation
140 Caspian Court
Sunnyvale, California 94089
www.infinera.com

- Please refer to the Infinera Customer Web Portal for the most recent version of this document. -
 Contents
Copyright.......................................................................................................................................................5
Trademarks...................................................................................................................................................7
About this Document...................................................................................................................................13
Documentation Feedback...................................................................................................................................... 14
Technical Assistance..............................................................................................................................................15

Chapter 1: gRPC PM Telemetry................................................................................................................ 1-1

Chapter 2: YANGs supported using gRPC ...............................................................................................2-1

Chapter 3: Configuring gRPC - Test Oriented Procedure........................................................................ 3-1

Method.................................................................................................................................................................. 3-3

Chapter 4: Configuring gRPC Telemetry using DNA.................................................................................4-1

To configure gRPC Telemetry using DNA............................................................................................................ 4-1

Chapter 5: Configuring gRPC Telemetry using TL1.................................................................................. 5-1

To configure gRPC Telemetry using TL1..............................................................................................................5-1

Chapter 6: Configuring gRPC Telemetry using CLI...................................................................................6-1

To configure gRPC Telemetry using CLI.............................................................................................................. 6-1

Chapter 7: Configuring gRPC Telemetry using NETCONF....................................................................... 7-1

Chapter 8: Configuring gRPC Telemetry using RESTCONF.....................................................................8-1

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iv Contents

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Copyright
This Manual is the property of Infinera Corporation and is confidential. No part of this Manual may be
reproduced for any purposes or transmitted in any form to any third party without the express written
consent of Infinera.
Infinera makes no warranties or representations, expressed or implied, of any kind relative to the
information or any portion thereof contained in this Manual or its adaptation or use, and assumes no
responsibility or liability of any kind, including, but not limited to, indirect, special, consequential or
incidental damages, (1) for any errors or inaccuracies contained in the information or (2) arising from the
adaptation or use of the information or any portion thereof including any application of software
referenced or utilized in the Manual. The information in this Manual is subject to change without notice.

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6

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Trademarks
Infinera, Infinera Intelligent Transport Networks, IQ NOS, FlexILS, DTN-X, DTN, ATN, FastSMP,
FlexCoherent, What the Network Will Be, iWDM, Enlighten and logos that contain Infinera are trademarks
or registered trademarks of Infinera Corporation in the United States and other countries.
All other trademarks in this Manual are the property of their respective owners.

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 List of Figures
Figure 1-1 gRPC Client/Server ........................................................................................................................ 1-2

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x List of Figures

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 List of Tables
Table 2-1 gRPC Client Supported Capabilities................................................................................................2-1

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xii List of Tables

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About this Document
This document provides an overview of the General Remote Procedure Calls (gRPC) interface.

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14 Documentation Feedback

Documentation Feedback
Infinera strives to constantly improve the quality of its products and documentation. Please submit
comments or suggestions regarding Infinera Technical Product Documentation using any of the following
methods:
■ Submit a service request using the Infinera Customer Web Portal
■ Send email to:
■ Send mail to the following address:
Attention: Infinera Technical Documentation and Technical Training
Infinera Corporation
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Sunnyvale CA 94089
When submitting comments, please include the following information:
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Technical Assistance
Customer Support for Infinera products is available, 24 hours a day, 7 days a week (24x7). For
information or assistance with Infinera products, please contact the Infinera Technical Assistance Center
(TAC) using any of the methods listed below:
■ Email:
■ Telephone:
□ Direct within United States: 1-408-572-5288
□ Outside North America: +1-408-572-5288
□ Toll-free within United States: +1-877-INF-5288 (+1-877-463-5288)
□ Toll-free within Germany/France/Benelux/United Kingdom: 00-800-4634-6372
□ Toll-free within Japan: 010-800-4634-6372
■ Infinera corporate website:
■ Infinera Customer Web Portal:
Please see the Infinera Customer Web Portal to view technical support policies and procedures, to
download software updates and product documentation, to view training course information, or to create/
update incident reports and RMA requests.

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16 Technical Assistance

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 CHAPTER 1

gRPC PM Telemetry

General Remote Procedure Calls (gRPC) is the management interface used to collect the Telemetry PM
data from a network element. The gRPC telemetry streaming feature provides the network monitoring
functions in which data, such as Performance Monitoring (PM), Alarms or Events, is streamed
continuously from the device at a prescribed interval.
The gRPC transport method uses HTTP2 bidirectional streaming between the gRPC client (the collector)
and the gRPC server (the device). The device in this case is a network element. A gRPC session is a
single connection from the gRPC client to the gRPC server over TLS. A maximum of three gRPC
sessions is supported and maximum number of subscription paths per session is 20.
A subscription is initiated from the gRPC client by sending a "Subscribe" RPC that contains a
"SubscribeRequest" message to the gRPC server. When a subscription is successfully initiated on the
gRPC server, “SubscribeResponse” message are sent from the gRPC server to the gRPC client. The
following eaxample describes this request and response scenario.

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Figure 1-1 gRPC Client/Server

gRPC PM Telemetry is supported on XT-3300 and MTC-6/MTC-9 chassis. The PM reporting time interval
is configurable and PM data is reported and streamed to the subscribed gRPC client at the configured
interval.
By default, gRPC is disabled and enabled as part of NETCONF, RESTCONF, TL1 and CLI interface.

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 CHAPTER 2

YANGs supported using gRPC

The gRPC client can query IQ NOS to discover the supported capabilities listed in the below table. The
gRPC client can subscribe for any or all the capabilities and receive realtime information for the
subscribed objects/capabilities. Each of the capability is represented by a yang file. The yang file provides
the detailed description of the attributes received for each objects.

Table 2-1 gRPC Client Supported Capabilities

Reference Number Capability Yang File Description
1 security-entity-pm.yang Receive realtime PM Data for Security.
2 fan-pm.yang Receive realtime fan PM data.
3 digitalwrapperctp-pm.yang Receive realtime digitalwrapperctp PM data.
4 schctp-pm.yang Receive realtime PM data for the SCH.
5 secure-channel-pm.yang Receive realtime PM Data for secure channel.
6 trib-pm.yang Receive realtime PMs on the tributary PTP.
7 gige-client-pm .yang Receive realtime PM data for the Ethernet
interface .
8 pem-pm.yang Receive realtime fan PEM data.
9 carrierctp-pm.yang Receive realtime PM data for the optical
channels/carrier for SCH.
10 scg-pm.yang Receive realtime PM data for the SCG.
11 igcc-pm.yang Receive realtime PM data for IGCC.

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Table 2-1 gRPC Client Supported Capabilities (continued)

Reference Number Capability Yang File Description
12 bandctp-pm.yang Receive realtime gige-client PM data.
13 feedptp-pm.yang Receive realtime feedptp PM data.
14 bandptp-pm.yang Receive realtime bandptp PM data.
15 schctp-pm.yang Receive realtime schctp PM data.
16 idler-channelctp-pm.yang Receive realtime idler-channelctp PM data .
17 chassis-pm.yang Receive realtime chassis PM data.
18 fmmc-scgptp-pm.yang Receive realtime PM data for the fmmc card of
scgptp.
19 frm-scgptp-pm.yang Receive realtime PM on the frm card of
scgptp.
20 oscctp-pm.yang Receive realtime oscctp PM data.
21 aseptp-pm.yang Receive realtime aseptp PM data.
22 flexcarrierctp-pm.yang Receive realtime flexcarrierctp PM data.
23 idlerptp-pm.yang Receive realtime idlerptp PM data.
24 fmmf-scgptp-pm.yang Receive realtime fmmf PM data.
25 opsmptp-pm.yang Receive realtime opsmptp PM data.
26 otsptp-pm.yang Receive realtime otsptp PM data.
27 expnptp-pm.yang Receive realtime expnptp PM data.
28 fbm-scgptp-pm.yang Receive realtime fbm-scgptp PM data.
29 openconfig-transport-line-protection.yang Receive openconfig transport line protection
data.
30 openconfig-transport-line-common.yang Receive openconfig transport line common
data.
31 openconfig-platform-transceiver.yang Receive openconfig platform transceiver data.
32 openconfig-terminal-device.yang Receive openconfig terminal device data.
33 openconfig-if-ethernet.yang Receive openconfig if ethernet data.
34 openconfig-interfaces.yang Receive openconfig-interfaces data.

Note: See Infinera XT-3300 and MTC gRPC Openconfig Mappings xls for a detailed list of MTC and
XT-3300 Openfig yangs with each of the Openconfig attributes mapped to respective managed object
(MO) types and various Infinera attributes.

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 CHAPTER 3

Configuring gRPC - Test Oriented

Procedure

Description
A subscription is initiated from the gRPC client by sending a "Subscribe" RPC that contains a
"SubscribeRequest" message to the gRPC server. When a subscription is successfully initiated on the
gRPC server, “SubscribeResponse” message is sent from the gRPC server to the gRPC client. The
following procedure describes configuring gRPC on the network element.

Required Equipment
■ XT(S)-3300
■ Craft computer with terminal emulation software (such as HyperTerminal) and FTP capabilities
■ gRPC library and gNMI.proto file
■ X.509 TLS certificate

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Assumptions
■ The line system has been previously installed and initially configured
■ The field technician performing this procedure is familiar with the XT(S)-3300
■ The field technician performing this procedure is familiar with Turn-Up and Test procedures
■ The field technician performing this procedure is familiar with CLI/TL1 commands
■ he field technician performing this procedure is familiar with gRPC Telemetry functionality

Additional Information
The following fields is currently supported on the gNMI.proto file.
Subscription
■ SubscribeRequest
■ SubscribeResponse
■ Path
■ PathElem
■ TypedValue
■ enum Encoding
Capability
■ CapabilityRequest
■ CapabilityResponse
■ ModelData

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 Configuring gRPC - Test Oriented Procedure 3-3

Method
Workflow for gRPC PM telemetry:
1. Download and install the X.509 TLS certificates
2. Enable TLS connection on the network element
3. Enable gRPC on the network element.
4. Download the gRPC library and gNMI.proto file
5. Compile the gNMI.proto file
6. Ensure that gRPC client is running with client code
7. Login to the network element from the gRPC client
Step 1 Install the x.509 certificates for TLS on the network element. Enter:
crypto certificate x509 <local|peer> <AID> [Apptype <TLS|MACSec>]
[passphrase <passphrase_value>] [password <pswd>] [uri <loc>]
Example:
(config)# crypto certificate x509 local 1-Local152NE Apptype TLS passphrase
TLSCert password admin2 uri sftp://User 2@10.220.66.122:/home/new/
Certificates/TLSCert_MA9017205507.pfx
Step 2 Enable a TLS connection on the network element. To enable TLS, enter:
security profile <profilename> <profileattribute>
Example:
(config)# security profile PROFILE HttpSecurityEnforced true TLSCertName
TLSCertificate
Step 3 Enable gRPC on the network element. To enable gRPC and to set the PM reporting time interval (in
milliseconds), enter:
system GrpcFeature <Enabled|Disabled> SampleInterval <UnsignedInt>
Example:
(config)# system GrpcFeature Enable SampleInterval 30000

Note: This command allows you to set the PM reporting time interval (in milliseconds) and PM
data is reported and streamed to the subscribed gRPC client at the configured interval. The valid
range is 10000 msec to 1800000 msec. Default is 30000 msec.

Note: Only real-time PM is reported for the configured time interval.

Note: When a gRPC session is lost due to a warm reboot or SW upgrade, the gRPC session has
to be re-initiated.

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 3-4 Method

Step 4 On the gRPC client, Download the gRPC library and the gNMI.proto file from https://github.com/
grpc/grpc
Step 5 Compile the gNMI.proto file using a protocol buffer compiler to generate the client code.
Step 6 Ensure that gRPC client is running with the client code generated in the previous step.
Step 7 Login to the network element from gRPC client to establish the gRPC session.
To Login to the network element, provide the following information in this order:
■ DCN IP - Specify the DCN IP address of the network element
■ [username password routerIdOfSne] - Specify the Username and Password of the Network
Element and incase of connecting to a SNE, specify its Router ID

Note: The Router ID is required only when connecting to a SNE.

Sample of gRPC client request and NE response in gNMI.proto

Request:
subscribe {
subscription {
path {
elem {
name: "fan-pm"
key {
key: "MoId"
value: "1-*"
}
}
elem {
name: "pem-pm"
}
elem {
name: "trib-pm"
key {
key: "MoId"
value: "1-A-2-T4"
}
}
}
}
}
NE Response:
update {
timestamp: 1527174930
update {
path {
elem {
name: "fan-pm"
key {

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Configuring gRPC - Test Oriented Procedure 3-5

key: "MoId"
value: "1-FANSHELF-1"
}
}
}
val {
json_val: "{\"inRpmRaw\":12760.0}"
}
}
}

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3-6 Method

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 CHAPTER 4

Configuring gRPC Telemetry using

DNA

This section describes the procedure to configure the gRPC Network Element Properties for PM data
collection.

To configure gRPC Telemetry using DNA

Step 1 Log into the DNA with network administrator or network engineer privileges.
Step 2 Do one of the following:
■ In the Provisioning/Physical View window, select the network element and then choose
Configuration > Configure Network Element.
■ In the Provisioning/Physical View window, right-click the network element and choose
Properties.
■ In the Equipment Tree of the Chassis View, right-click the network element and choose
Properties. If the network element is still being discovered (network element icon is Blue in
color), the Network Element Properties window will not be displayed.
■ In the DNA Tree View, right-click the network element and choose Properties.
■ In the Node Manager, double click a network element/chassis.
■ In the Equipment Tree, right click the network element and choose Properties.

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 4-2

Step 3 Click on gRPC tab and do the following:

Step 3a To enable the gRPC feature, check the gRPC Enabledcheckbox
The Default value for the gRPC PM Collection is always Disabled .
Step 3b Enter the value for gRPC PM Collection Interval (milli seconds)
The time interval range is set between 10000 to 1800000 milli seconds.

To Apply gRPC Server Settings to Multiple Network Elements

Step 1 Login to the DNA Client with network administrative/turn-up and test/network engineer privileges.
Step 2 In the Physical View, right-click the network element on which the gRPC settings have been
configured and select Properties. The Network Element Properties window is displayed.
Step 3 In the Network Element Properties window, go to the gRPC panel.
Step 4 Click Apply to Multiple Nodes. The Multi Node Server Setting Administration window is displayed. The
Reference Node Name panel displays the name of the network element from which this window is
launched. The gRPC settings configured on this network element will be applied to multiple network
elements.
Step 5 [Optional]To filter the list of network elements displayed in the Target nodes to Apply panel, select the
network element from the Filter drop-down menu. To search for a network element, enter the node
name, node type or the software version in the Search panel.
Step 6 Depending on the node type from which the dialog is launched, the Target nodes to Apply panel
displays similar type of network elements. In the Target nodes to Apply panel, select the network
elements to which the gRPC server settings is to be applied. Select the desired option(s) from the
table:

To... Click...
select an entry from the table ■ the entry in the table and click Select
■ the checkbox for the selected row
de-select an entry ■ the entry in the table and click UnSelect
■ the checkbox for the selected row
select all entries SelectAll
de-select all entries UnSelectAll

Step 7 Click Apply. The Bulk Configuration Status panel displays the status of the gRPC Server settings
configuration on the network elements. The information in the Bulk configuration Status panel can be
filtered. Click the drop-down arrow in the column based on which the filter is to be applied and make
the desired selection.
Step 8 Repeat Step 2 to Step 9 for entries that failed.
Step 9 [Optional]To export the information displayed in the Bulk Configuration Status panel to a TSV file, click
Export Status. In the Save window, navigate to the location where the file is to be saved and click
Save.

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 Configuring gRPC Telemetry using DNA 4-3

Step 10 [Optional]To print the status of the operation just performed, click Print Status. The file status operation
can be printed to a PDF file or can be directed to the printer. The Print dialog is displayed. Select the
desired option from Name drop-down. Click Print.
Step 11 Click Close to close the Multi Node gRPC Server Setting Administration window.

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 CHAPTER 5

Configuring gRPC Telemetry using

TL1

This section describes the procedure to configure the gRPC Network Element Properties for PM data
collection sing TL1 interface.

To configure gRPC Telemetry using TL1

Step 1 Log into the TL1 interface with network administrator or network engineer privileges.
Step 2 Enter the below TL1 command to enable gRPC feature and to enter the value for gRPC PM collection
interval
ed-sys:::c:::grpc=Enable;
ed-sys:::c:::SAMPLEINTERVAL=30000;
Step 3 Use the following command to view the attributes of the network element.
RTRV-SYS:::ea;
The following message is returned indicating successful completion.
sandhya_XTC4 18-06-19 09:54:04
M c COMPLD
"::LABEL=,NENAME=sandhya_XTC4,CLLI=,NETYPE=DON,NODEID=SIM167181027,SITEID=
Infinerasite,LOCATION1=,LOCATION2=,LATITUDE=,LONGITUDE=,SYSDATE=
2018-06-19,SYSTIME=09-54-04,SYSACTIVEDATE=2018-06-11,SYSACTIVETIME=
11-15-13,DBVERS=DB_1820057120180611091522,SWVERSION=R18.2.0.0571,ROUTERID=
10.100.167.186,DCNIP=10.220.167.186,DCNIPNETMASK=255.255.240.0,DCNIP6=
,DCNIP6NETMASK=0,CRAFTIP=192.168.0.1,CRAFTIPNETMASK=255.255.255.0,CRAFTIP6=

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5-2

\"::ffff:192.168.0.1\",CRAFTIP6NETMASK=112,DCNIP6LINKLOCAL=\"fe80::20c:
29ff:fefe:341a\",GNE=ENABLED,TL1PORT=9090,AUXIP=0.0.0.0,AUXMASK=
0.0.0.0,PRIMGNEADDR=0.0.0.0,SECGNEADDR=0.0.0.0,DCNDEST=10.0.0.0,DCNGTWY=
10.220.164.1,DCNDESTPREFIXLEN=8,DCNROUTETYPE=Local,DCNROUTECOST=
1,DCNGLOBALROUTE=false,DCNDEST6=\"::\",DCNGTWY6=\"::\",DCNDEST6PREFIXLEN=
0,DCN6ROUTETYPE=Local,DCN6ROUTECOST=512,SWBUILDINFO=
R18.2.0.0571,XMLPROXYPORT=
15073,FTPPROXYPORT=10021,TNETPROXYPORT=10023,HTTPPROXYPORT=
10080,AVAILABLEPERSISTENTSPACE=2535263232,TOTALPERSISTENTSPACE=
3758096384,SYSRESETNEEDED=false,ARCCTRL=LeaveAlarms,AUXTOSCHG=
DISABLED,AUXIFRATE=1,AUXIFSTATUS=ENABLED,CRAFTIFSTATUS=
ENABLED,OSCOOBENABLE=
FALSE,TLPBKCTRL=BridgeSignal,LASTUPGRADEDATE=UNKNOWN,LASTUPGRADETIME=
UNKNOWN,RESTHOLDOFFTIMER0=0,RESTHOLDOFFTIMER1=0,RESTHOLDOFFTIMER2=
0,RESTHOLDOFFTIMER3=0,RESTHOLDOFFTIMER4=0,RESTHOLDOFFTIMER5=
0,RESTHOLDOFFTIMER6=0,RESTHOLDOFFTIMER7=0,ENHPROTSW=
DISABLED,ALSADMINPOLICY=
Block,NCSHELFID=1,MIGRATESTAT=Disabled,DCNIFADSTAT=
Enabled,LASTPREPUPGRADEDATE=UNKNOWN,LASTPREPUPGRADETIME=
UNKNOWN,PREPUPGRADESUCCESSDATE=UNKNOWN,PREPUPGRADESUCCESSTIME=
UNKNOWN,UPGRADESTAT=Idle,SYSLOG=Disable,DBBACKUPMODE=MODE0,SAMPLEINTERVAL=
30000,GRPC=Enable"
;

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 CHAPTER 6

Configuring gRPC Telemetry using

CLI

This section describes the procedure to configure the gRPC Network Element Properties for PM data
collection sing CLI interface.

To configure gRPC Telemetry using CLI

Step 1 Log into the CLI interface with network administrator or network engineer privileges.
Step 2 Enter the below CLI command to disable gRPC feature and to enter the value for gRPC PM collection
interval
system GrpcFeature Disable SampleInterval 30000
Step 3 Use the following command to view the attributes of the network element.
show running-config system
The following message is returned indicating successful completion.
system
Label ""
NeName NE79
NeType XT
DcnIp 10.220.67.79
DcnIpNetMask 255.255.240.0
DcnDestination 10.0.0.0
DcnRouteType Local
DcnRouteCost 1

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Dcn6RouteType Local
Dcn6RouteCost 512
DcnGateway 10.220.64.1
DcnPrefixLen 8
DcnIp6 ""
DcnIp6NetMask 0
DcnDestination6 ::
DcnGateway6 ::
DcnPrefixLen6 0
DcnInterfaceAdminState Enabled
PrimaryGneIp 0.0.0.0
SecondaryGneIp 0.0.0.0
SysLogFeature Disable
Clli ""
CraftIp 192.168.0.1
CraftIpNetMask 255.255.255.0
CraftIp6 ::ffff:192.168.0.1
CraftIp6NetMask 112
GatewayProxyEnabled true
AuxIp 0.0.0.0
AuxIpNetMask 0.0.0.0
ArcBehaviour LeaveAlarms
EnableAuxTosByteAlteration Disabled
AuxPortRate 1
AuxIPInterfaceAdministrativeState UnLocked
CraftIPInterfaceAdministrativeState UnLocked
RestHoldOffTimer0 0
RestHoldOffTimer1 0
RestHoldOffTimer2 0
RestHoldOffTimer3 0
RestHoldOffTimer4 0
RestHoldOffTimer5 0
RestHoldOffTimer6 0
RestHoldOffTimer7 0
EnhProtSw Disabled
ALSAdministrationPolicy Block
Location1 ""
Location2 ""
Latitude ""
Longitude ""
MigrationStatus Disabled
XmlPortId 5073
CfgDbSaveMode Mode0
SampleInterval 30000
GrpcFeature Disable
SiteId ""

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 CHAPTER 7

Configuring gRPC Telemetry using

NETCONF

This section describes the procedure to configure the gRPC Network Element Properties for PM data
collection sing NETCONF interface.

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 CHAPTER 8

Configuring gRPC Telemetry using

RESTCONF

This section describes the procedure to configure the gRPC Network Element Properties for PM data
collection using RESTCONF interface.

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