Cisco Nexus 5000 Series Manuel de référence - Page 3

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requests, another session cookie is required and is provided by the authentication process. Avoiding unnecessary use of the authentication

process helps to reduce the workload on the device.

Note

A nxapi_auth cookie expires in 600 seconds (10 minutes). This value is a fixed and cannot be adjusted.

NX-API performs authentication through a programmable authentication module (PAM) on the switch.

Note

Use cookies to reduce the number of PAM authentications, which reduces the load on the PAM.

Using NX-API

The commands, command type, and output type for the Cisco Nexus 5000 and 6000 Series devices are entered using NX-API by

encoding the CLIs into the body of a HTTP/HTTPs POST. The response to the request is returned in XML or JSON output format.

You must enable NX-API with the feature manager CLI command on the device. By default, NX-API is disabled.

The following example shows how to enable NX-API:

• Enable the management interface.

switch# configure terminal

switch(config)# interface mgmt 0

switch(config)# ip address 198.51.100.1/24

switch(config)# vrf context managment

switch(config)# ip route 203.0.113.1/0 1.2.3.1

• Enable the NX-API nxapi feature.

switch# configure terminal

switch(config)# feature nxapi

The following example shows a request and its response in XML format:

Request:

<?xml version="1.0" encoding="ISO-8859-1"?>

<ins_api>

<sid>session1</sid>

<input>show switchname</input>

<output_format>xml</output_format>

</ins_api>

Response:

<?xml version="1.0"?>

<ins_api>

<body>

<hostname>switch</hostname>

</body>

<input>show switchname</input>

<msg>Success</msg>

</output>