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Configuration Guide - Network Management and Monitoring

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of Network Management and Monitoring, including SNMP, RMON, LLDP, NQA, Service Diagnosis, Mirroring, Packet Capture, sFlow, and NETCONF.
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Configuring Telemetry Dynamic Subscription

Configuring Telemetry Dynamic Subscription

Telemetry dynamic subscription indicates that a collector functioning as a client initiates a connection to a device functioning as a server to collect data.

Usage Scenario

If a collector functioning as a client initiates a connection to a device functioning as a server, the data sampled is dynamically subscribed to. In this case, you need to configure the source IP address and number for a port to be listened, and enable the gRPC service. The protocol used to send data is gRPC.

If the connection where Telemetry dynamic subscription resides is interrupted, the device automatically cancels the subscription and stops data sampling and reporting. The configuration cannot be restored unless the collector sends a connection request again. For example, if a user wants to monitor an interface for a period of time, configure Telemetry dynamic subscription. To stop monitoring, tear down the connection. The subscription is automatically canceled and cannot be restored. This avoids the long-term load on devices and simplifies the interaction between users and devices.

Pre-configuration Tasks

Before configuring Telemetry dynamic subscription, complete the following tasks:

Configure a static route or dynamic routing protocol to ensure that devices can communicate at the network layer.

Create an ACL if you need to configure an ACL for the gRPC service to control which clients can connect to the server. For details about how to create an ACL, see CloudEngine 12800 and 12800E Series Switches Product Documentation - Configuration - Security Configuration Guide - ACL.

Create an SSL policy if you need to configure an SSL policy for the gRPC service so that the server and client can establish a secure SSL connection. For details about how to create an SSL policy, see Configuring SSL in the CloudEngine 12800 and 12800E Series Switches Product Documentation - Configuration - Security Configuration Guide - Security.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run grpc

    The gRPC view is displayed.

  3. Run grpc server

    The gRPC server view is displayed.

  4. Run source-ip ip-address [ vpn-instance vpn-instance-name ]

    A source IP address to be listened during Telemetry dynamic subscription is configured.

    By default, no source IP address is configured for Telemetry dynamic subscription.

  5. Run server-port portnum

    A port to be listened during Telemetry dynamic subscription is set.

    By default, port 57400 is listened during Telemetry dynamic subscription.

  6. (Optional) Run acl { acl-name | acl-number }

    An ACL is configured for the gRPC service during Telemetry dynamic subscription.

    By default, no ACL is configured for the gRPC service during Telemetry dynamic subscription.

  7. (Optional) Run idle-timeout idle-timeout

    An idle timeout period is configured of the gRPC service during Telemetry dynamic subscription.

    By default, the idle timeout period of the gRPC service during Telemetry dynamic subscription is 10 seconds.

  8. (Optional) Run ssl-policy ssl-policy-name

    An SSL policy is configured for the gRPC service during Telemetry dynamic subscription.

    By default, no SSL policy is configured for the gRPC service during Telemetry dynamic subscription.

  9. (Optional) Run ssl-verify peer

    A server is enabled to perform SSL verification on a client during Telemetry dynamic subscription.

    By default, a server does not perform SSL verification on a client during Telemetry dynamic subscription.

  10. Run server enable

    The gRPC service is enabled.

    By default, the gRPC service is disabled.

  11. Run commit

    The configuration is committed.

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Updated: 2019-04-20

Document ID: EDOC1100075344

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