> This page is for version 0.7.0.
> For other versions, use one of these documentation indexes:
> - Main (default): https://docs.nvidia.com/nemo/gym/main/llms.txt
> - 0.7.0: https://docs.nvidia.com/nemo/gym/v0.7.0/llms.txt
> - 0.6.0: https://docs.nvidia.com/nemo/gym/v0.6.0/llms.txt
> - 0.5.1: https://docs.nvidia.com/nemo/gym/v0.5.1/llms.txt
> - 0.5.0: https://docs.nvidia.com/nemo/gym/v0.5.0/llms.txt
> - 0.4.0: https://docs.nvidia.com/nemo/gym/v0.4.0/llms.txt
> - 0.3.0: https://docs.nvidia.com/nemo/gym/v0.3.0/llms.txt
> - 0.2.1: https://docs.nvidia.com/nemo/gym/v0.2.1/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/gym/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/gym/_mcp/server.

# nemo_gym.h2_ping_sidecar

Run the h2-ping-sidecar from `gym env start` so NVCF calls survive the 340s idle limit.

See `nemo_gym/tools/sidecar` for the proxy and `h2_ping_sidecar:` in the configuration
reference for the settings.

## Submodules

* **[`nemo_gym.h2_ping_sidecar.config`](/nemo/gym/nemo-gym/nemo_gym/h2_ping_sidecar/config)**
* **[`nemo_gym.h2_ping_sidecar.launcher`](/nemo/gym/nemo-gym/nemo_gym/h2_ping_sidecar/launcher)**