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| author | anderbak <bjanderson7583@gmail.com> | 2026-05-04 17:01:10 -0400 |
|---|---|---|
| committer | Yuriy Andamasov <yuriy@vyos.io> | 2026-05-08 09:45:34 +0300 |
| commit | 7ae07ade76ec4bb1137553a055419e3955f30618 (patch) | |
| tree | 4b5ac3f1c824be91a04a776e95c5efb94fbb2f8e | |
| parent | 2b18f0a0acf337c1672fbc1dffb5f393d1149325 (diff) | |
| download | vyos-documentation-7ae07ade76ec4bb1137553a055419e3955f30618.tar.gz vyos-documentation-7ae07ade76ec4bb1137553a055419e3955f30618.zip | |
troubleshooting: T8608: document TCP ping
| -rw-r--r-- | docs/troubleshooting/connectivity.md | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/docs/troubleshooting/connectivity.md b/docs/troubleshooting/connectivity.md index a3c95d8c..31320573 100644 --- a/docs/troubleshooting/connectivity.md +++ b/docs/troubleshooting/connectivity.md @@ -41,6 +41,25 @@ vrf ::: ``` +```{opcmd} ping tcp \<host\> port \<port\> [count \<n\>] [interface \<ifname\>] [vrf \<name\>] [source-address \<address\>] + +Test TCP connectivity to a destination host and port. This is useful when +ICMP is blocked or when you need to verify that a specific TCP service is +reachable. + +The `count` option sets the number of TCP connection attempts. Use +`interface` to send probes through a specific interface, `vrf` to run +the test in a VRF, and `source-address` to select the local source address. + +Example: + +:::{code-block} none +vyos@vyos:~$ ping tcp 10.1.1.1 port 443 count 3 +vyos@vyos:~$ ping tcp example.com port 80 interface eth0 +vyos@vyos:~$ ping tcp 192.0.2.10 port 179 vrf CUSTOMER source-address 192.0.2.1 +::: +``` + ```{opcmd} traceroute \<destination\> Trace path to target. |