Werk #13519: check_icmp: Fix "Failed to resolve $: Name or service not known"
| Component | Checks & agents |
| Title | check_icmp: Fix "Failed to resolve $: Name or service not known" |
| Date | Nov 25, 2021 |
| Checkmk Edition | Checkmk Raw (CRE) |
| Checkmk Version | 2.0.0p17 2.1.0b1 |
| Level | Trivial Change |
| Class | Bug Fix |
| Compatibility | Compatible - no manual interaction needed |
Depending on the configuration, the active check check_icmp (ICMP Echo Requests) crashed with "Failed to resolve $: Name or service not known".
This happened with the following configuration options below "Alternative address to ping":
- Ping all IPv4 addresses
- Ping all IPv6 addresses
- Ping additional IPv4 addresses
- Ping additional IPv6 addresses
- Ping IPv4 address identified by its index
- Ping IPv6 address identified by its index
