# Operation & Maintenance

- [Upgrading your Gateway](/eth/gateway/hosted-and-local-gateways/upgrading.md)
- [Logging](/eth/gateway/hosted-and-local-gateways/logging.md): You can ensure your gateway is actively exchanging messages with your local blockchain node and the BDN network by monitoring your gateway and inspecting logs.
- [General Connectivity Troubleshooting](/eth/gateway/hosted-and-local-gateways/general-connectivity-troubleshooting.md)