When trying to connect to a 5720 switch using putty , i've got this error "Signature from server's host key is invalid".
I've used RSA algorithm in SSH option int the configuration pannel of the switch, but I always have the same error.
You need to put RSA in "Algorithm Selection Policy" at the top.
Like in the below example:
方法1:更换为0.70版本的putty软件。
方法2:修改SSH中的主机密钥算法选择优先级,下面以0.74版本为例进行说明:
点击该提示的“确定”按钮后,再点击软件窗口左上角的菜单图标,在弹出的下拉选项中选择“Change Settings…”,
然后在下图位置进行修改:选中RSA算法并点击Up按钮将其移动到最上方,并把“Prefer algorithms for which a host key is known”前面的勾取消,点击“Apply”按钮。
最后再点击软件窗口左上角的菜单图标,在弹出的下拉选项中选择“Restart Session”重新登录即可。
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