I am in a process of upgrading NSX 6.2.4 by a customer in three locations deployed using VVD Deployment Toolkit. The NSX Upgrade itself went really smoothly. However, after the upgrade, we noticed that SFTP backup stopped working with an enigmatic error.
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https://docs.vmware.com/en/VMware-NSX-for-vSphere/6.3/rn/releasenotes_nsx_vsphere_630.html
To fix the issue sshd config must be adjusted:
- Edit the ssh_config.
- sshd_config keywords Cipher and MACs need to be updated with the correct Cipher and MAC algorithms.For example:
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Once config change is done, restart ssh deamon and backup will start to work again.