![]() XML or JSON.Īn example of a YANG model (source: Cisco Live DEVNET-1721).īoth protocols combined (NETCONF/YANG) provide a standardized way to programmatically update and modify the configuration of a network device. YANG, being a language is being protocol independent, can then be converted into any encoding format, e.g. ![]() YANG (Yet Another Next Generation) is a data modelling language, providing a standardized way to model the operational and configuration data of a network device. Using RPC calls, the SSH client can then retrieve information from the SSH server. ![]() They exchange capabilities to understand what features are supported. In below graphic, you can see that a NETCONF manager (usually our SSH client) communicates with a NETCONF Agent (usually the device at hand). ![]() In terms of communication, as mentioned above, NETCONF uses an RPC layer. NETCONF operations are realized on top of a Remote Procedure Call (RPC) layer using an XML encoding and provides a basic set of operations to edit and query configuration on a network device. NETCONF is a protocol defined by the IETF to “install, manipulate, and delete the configuration of network devices”.
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