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doc: update README.md for #860
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fujiapple852 committed Nov 27, 2024
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Expand Up @@ -911,30 +911,33 @@ The below table lists the columns that are available for display in the Tui. The
`--tui-custom-columns` command line option or in the `tui-custom-columns` attribute in the `tui` section of the
configuration file.

| Column | Code | Description |
|---------|------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `#` | `h` | The time-to-live (TTL) for the hop |
| `Host` | `o` | The hostname(s) and IP address(s) for the host(s) for the hop<br/>May include AS info, GeoIp and ICMP extensions<br/>Shows full hop details in hop detail navigation mode |
| `Loss%` | `l` | The packet loss % for the hop |
| `Snd` | `s` | The number of probes sent for the hop |
| `Recv` | `r` | The number of probe responses received for the hop |
| `Last` | `a` | The round-trip-time (RTT) of the last probe for the hop |
| `Avg` | `v` | The average RTT of all probes for the hop |
| `Best` | `b` | The best RTT of all probes for the hop |
| `Wrst` | `w` | The worst RTT of all probes for the hop |
| `StDev` | `d` | The standard deviation of all probes for the hop |
| `Sts` | `t` | The status for the hop:<br/>- 🟢 Healthy hop<br/>- 🔵 Non-target hop with packet loss (does not necessarily indicate a problem)<br/>- 🟤 Non-target hop is unresponsive (does not necessarily indicate a problem) <br/>- 🟡 Target hop with packet loss (likely indicates a problem)<br/>- 🔴 Target hop is unresponsive (likely indicates a problem) |
| `Jttr` | `j` | The round-trip-time (RTT) difference between consecutive rounds for the hop |
| `Javg` | `g` | The average jitter of all probes for the hop |
| `Jmax` | `x` | The maximum jitter of all probes for the hop |
| `Jint` | `i` | The smoothed jitter value of all probes for the hop |
| `Seq` | `Q` | The sequence number for the last probe for the hop |
| `Sprt` | `S` | The source port for the last probe for the hop |
| `Dprt` | `P` | The destination port for the last probe for the hop |
| `Type` | `T` | The icmp packet type for the last probe for the hop:<br/>- TE: TimeExceeded<br/>- ER: EchoReply<br/>- DU: DestinationUnreachable<br/>- NA: NotApplicable |
| `Code` | `C` | The icmp packet code for the last probe for the hop |
| `Nat` | `N` | The NAT detection status for the hop |
| `Fail` | `f` | The number of probes which failed to send for the hop |
| Column | Code | Description |
|----------|------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `#` | `h` | The time-to-live (TTL) for the hop |
| `Host` | `o` | The hostname(s) and IP address(s) for the host(s) for the hop<br/>May include AS info, GeoIp and ICMP extensions<br/>Shows full hop details in hop detail navigation mode |
| `Loss%` | `l` | The packet loss % for the hop |
| `Snd` | `s` | The number of probes sent for the hop |
| `Recv` | `r` | The number of probe responses received for the hop |
| `Last` | `a` | The round-trip-time (RTT) of the last probe for the hop |
| `Avg` | `v` | The average RTT of all probes for the hop |
| `Best` | `b` | The best RTT of all probes for the hop |
| `Wrst` | `w` | The worst RTT of all probes for the hop |
| `StDev` | `d` | The standard deviation of all probes for the hop |
| `Sts` | `t` | The status for the hop:<br/>- 🟢 Healthy hop<br/>- 🔵 Non-target hop with packet loss (does not necessarily indicate a problem)<br/>- 🟤 Non-target hop is unresponsive (does not necessarily indicate a problem) <br/>- 🟡 Target hop with packet loss (likely indicates a problem)<br/>- 🔴 Target hop is unresponsive (likely indicates a problem) |
| `Jttr` | `j` | The round-trip-time (RTT) difference between consecutive rounds for the hop |
| `Javg` | `g` | The average jitter of all probes for the hop |
| `Jmax` | `x` | The maximum jitter of all probes for the hop |
| `Jint` | `i` | The smoothed jitter value of all probes for the hop |
| `Seq` | `Q` | The sequence number for the last probe for the hop |
| `Sprt` | `S` | The source port for the last probe for the hop |
| `Dprt` | `P` | The destination port for the last probe for the hop |
| `Type` | `T` | The icmp packet type for the last probe for the hop:<br/>- TE: TimeExceeded<br/>- ER: EchoReply<br/>- DU: DestinationUnreachable<br/>- NA: NotApplicable |
| `Code` | `C` | The icmp packet code for the last probe for the hop |
| `Nat` | `N` | The NAT detection status for the hop |
| `Fail` | `f` | The number of probes which failed to send for the hop |
| `Floss` | `F` | A _heuristic_ for the number of probes with _forward loss_ for the hop |
| `Bloss` | `B` | A _heuristic_ for the number of probes with _backward loss_ for the hop |
| `Floss%` | `D` | The _forward loss_ % for the hop |

The default columns are `holsravbwdt`.

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