Brocade Network OS NETCONF Operations Guide v4.1.1 Instrukcja Użytkownika Pobierz pdf (Strona 41)

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Network OS NETCONF Operations Guide 9

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Chapter

Basic NETCONF Operations

In this chapter

•Establishing a NETCONF session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

•Retrieving configuration data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

•Retrieving operational data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

•Editing the configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

•Managing the configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

•Disconnecting from a NETCONF session . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Establishing a NETCONF session

Up to 16 concurrent sessions can be established with a NETCONF server. A session times out if it is

idle for 30 minutes.

Each NETCONF session begins with a handshake in which the NETCONF server and the client

specify the NETCONF capabilities they support. The following sections describe the message

exchange on starting a NETCONF session.

Hello messages exchange

After establishing a secure transport connection, both the NETCONF server and client send a

<hello> element simultaneously to announce their capabilities and session identifier.

The NETCONF server must include the <session-id> element in the <hello> element. The

<session-id> element contains the unique session value for the NETCONF session. If the client

receives the <hello> element without the <session-id>, the client aborts the NETCONF session by

closing the underlying SSH session.

The NETCONF client must not include the <session-id> element in the <hello> element. If the

server receives the <hello> element with the <session-id>, the server aborts the NETCONF session

by closing the underlying SSH session.

The NETCONF client must include a valid xmlns attribute in the <hello> element. If the server

receives the <hello> element without a valid xmlns attribute, the server aborts the NETCONF

session by closing the underlying SSH session.

The NETCONF client must include a base capability. The server receiving the <hello> element

without a NETCONF base capability aborts the NETCONF session by closing the underlying SSH

session.

The server receiving an <rpc> element without first receiving a <hello> element aborts the

NETCONF session by closing the underlying SSH session.

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