Service graphs
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Graph Information
| Field | Internal name | Type | Warn | Crit | Info |
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| downstream snr margin | snr_down | gauge | The current SNR margin for the downstream. SNR margin is the difference between the current SNR value and the minimum SNR value required to sync, so a higher value means a more stable connection. | ||
| upstream snr margin | snr_up | gauge | The current SNR margin for the upstream. |