Cisco 3750 ssh connection refused, This guide explains common causes and possible solutions. But even then it does not ssh the first time, it fails sometimes and connects some times. Oct 13, 2025 · Learn how to enable SSH on Cisco switch in 5 simple steps. Configure hostname, domain, RSA keys, SSH version 2, and secure remote access for your Cisco switch. May 24, 2018 · I have this 3850 that I can’t SSH or telnet into. Dec 10, 2025 · Learn how to troubleshoot the SSH "connection refused" error. Mar 26, 2025 · Addressing the SSH “Connection Refused” error requires implementing practical solutions. However, I do have http access. So lets move to step 2 – enable SSH If you run this command sh run | inc ssh It will show you what SSH is setup In this case none R1# sh run | inc ssh R1# So lets generate some SSH keys conf t crypto key generate rsa usage-keys modulus 2048 % Please define a domain-name first. Dec 3, 2020 · When your attempt to SSH gets connection refused, are you able to ping to the address you were trying to use for SSH? Can you verify that at the time that you attempt SSH that the vpn tunnel is up, active, and passing traffic? We set up a Cisco switch (c3750) to allow remote SSH access (RSA keys, telnet disabled) . Apr 12, 2025 · This comprehensive guide investigates every possible reason behind this error while providing complete step-by-step solutions to restore SSH connection functionality. I could use a second se… May 24, 2018 · I have this 3850 that I can’t SSH or telnet into. Jan 15, 2015 · I can only ssh to it from one of the switches directly connected to it but the traffic to this directly connected switch goes via the 3750x. The remote system refused the connection. This switch is located at a remote site so SSH is our only way in. R1(config)#. There are many reasons why the Connection refusederror shows up when trying to SSH into the server. Trying to SSH or telnet into it, just produces a “connection refused” connection, and nothing shows up in the log. For some reason, when we try to access the switch via SSH (to management interface) we are getting a "connection refused" error message. Go to solution Tosin Ola Level 1 Nov 24, 2025 · This document describes how to configure and debug Secure Shell (SSH) on Cisco routers or switches that run Cisco IOS® Software. Identifying why the system refused the connection via SSH is the first step toward solving the problem. Here is step-by-step guidance to resolve the key issues leading to this error. I could use a second se… Jan 15, 2020 · Cisco Switch 3850 model : SSH Connection Refused, network error. Below are the most common causes of SSH connection denial.


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