--- title: "tcp-connect" slug: "cli-sc-tcp-connect" updated: 2025-07-02T04:39:27Z published: 2025-09-03T14:11:33Z canonical: "docs.crossworkassurance.cisco.com/cli-sc-tcp-connect" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.crossworkassurance.cisco.com/llms.txt > Use this file to discover all available pages before exploring further. # tcp-connect ## tcp-connect tcp-connect - Test that a TCP service is responding **Description:** Test similar to a ping but at a higher level in the protocol stack. The test attempts to connect to a TCP port to verify if a service is reachable. **Syntax:** ``` tcp-connect host {host | net} | {port } | {timeout } } ``` **Parameters:** | Parameter | Description | | --- | --- | | host | The remote address or domain name to test. | | port | TCP port (service) to test. | | timeout | Time in seconds before giving up. | **© 2026 Cisco and/or its affiliates. All rights reserved.** For more information about trademarks, please visit: [Cisco trademarks](https://www.cisco.com/c/en/us/about/legal/trademarks.html)[](https://www.cisco.com/c/en/us/about/legal/trademarks.html) For more information about legal terms, please visit: [Cisco legal terms](https://www.cisco.com/c/en/us/about/legal/terms-conditions.html)