Health Check Status
In Health Check Status, you can monitor health check results in real time. View detailed metrics such as response status, RTT, Jitter, and packet loss for each target.
Basic screen and settings
Time selection
The top option bar Time selection displays the real-time data refresh interval.
Select Manager
In the top option bar Select Manager, select the NMS manager that collects data to view health check results.
Select health check target
In the left panel, select the device or health check target to query.
| Selection level | Description |
|---|---|
| ALL [n] | All health check results; the number in parentheses shows Alive/Dead count |
| Device name | Shows only health checks registered to a specific device |
| Target (IP/FQDN) | Shows only detailed results for a specific target |
Status display
The health check status result is displayed next to each item in the format total count [alive count/dead count].
-
Green: Alive (responding)
-
Red: Dead (not responding)
Health check results
Charts
Displays metrics for the selected target as a time-series chart.
| Chart | Description |
|---|---|
| Jitter | Jitter trend (ms); provided for ICMP type |
| Max RTT | Maximum RTT (Round Trip Time) trend (ms); provided for all types |
Time range
-
Displays data for a fixed 10-minute range.
-
Auto-refreshes every 10 seconds.
Health check list
| Column | Description |
|---|---|
| Alive | Response status - ●: Alive (responding normally) - ●: Dead (not responding) |
| Type | Health check type (ICMP, TCP, etc.) |
| IP | Target IP address for health check |
| FQDN | Fully Qualified Domain Name |
| Port | TCP port number (for TCP type) |
| Avg RTT | Average Round Trip Time (ms) |
| Max RTT | Maximum Round Trip Time (ms) |
| Packet Loss | Packet loss rate (%) |
| Jitter | Jitter value (ms) |
| Error | Error message |
| Last Seen Time | Time of last response received |
Appendix
Metrics
| Metrics by type | ICMP | TCP |
|---|---|---|
| Alive | O | O |
| Avg RTT | O | - |
| Max RTT | O | O |
| Jitter | O | - |
| Packet Loss | O | - |
| Port | - | O |
| Error | O | O |
- RTT (Round Trip Time)
| Metric | Description |
|---|---|
| Avg RTT | Average round-trip time - average response latency |
| Max RTT | Maximum round-trip time - slowest response time |
- Packet Loss
The percentage (%) of packets lost out of total packets sent.
- Jitter
The variation in network latency. High jitter indicates unstable network quality.
Data refresh interval
The page auto-refreshes every 10 seconds.
| Item | Value |
|---|---|
| Refresh interval | 10 seconds |
| Time range | Last 10 minutes |
Supported health check types
| Type | Description |
|---|---|
| ICMP | Check connection status based on ICMP Ping |
| TCP | Check TCP port connection status |