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Ping checks
Ping is the simplest check to test that an endpoint is available. Target servers must be reachable from the probe’s network and be configured to reply to ICMP echo requests. The time for the endpoint to respond is used to measure latency from each probe location.
Options
Ping checks have the following additional settings:
| Option name | Description |
|---|---|
| IP version | The Internet Procotol version to use (V4, V6 or any) |
| Don’t fragment | Set the DF-bit in the IP-header. Only works with ipV4 |
These configuration options do not produce any additional labels in the resulting metrics.
Metrics
| Metric name | Description |
|---|---|
| probe_all_duration_seconds | Returns how long the probe took to complete in seconds (histogram) |
| probe_all_success | Displays whether or not the probe was a success (summary) |
| probe_dns_lookup_time_seconds | Returns the time taken for probe dns lookup in seconds |
| probe_duration_seconds | Returns how long the probe took to complete in seconds |
| probe_icmp_duration_rtt_max_seconds | Maximum duration of round trip time phase |
| probe_icmp_duration_rtt_min_seconds | inimum duration of round trip time phase |
| probe_icmp_duration_rtt_stddev_seconds | Standard deviation of round trip time phase |
| probe_icmp_duration_seconds | Duration of icmp request by phase |
| probe_icmp_packets_received_count | Number of ICMP packets received |
| probe_icmp_packets_sent_count | Number of ICMP packets sent |
| probe_icmp_reply_hop_limit | Replied packet hop limit (TTL for ipv4) |
| probe_ip_addr_hash | Specifies the hash of IP address. It’s useful to detect if the IP address changes. |
| probe_ip_protocol | Specifies whether probe ip protocol is IP4 or IP6 |
| probe_success | Displays whether or not the probe was a success |
| sm_check_info | Provides information about a single check configuration |
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