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As far as I am aware, there is no Cisco IOS command that would show the modulus length of an RSA key. (eg. 1024-bit or 2048-bit). There is a command that shows the RSA key in full, but not it's length. Is there a way that the NCM could read that key and determine its modulus length? Not sure if this is possible,…
When using SSH Diffie Hellman key size 4096 then we can no longer manage our cisco devices. As per support this is not yet supported and should be raised as a new feature. Case # 1067613 (Optional) Specifies the IP size of the key modulus. By default, the modulus of a certification authority (CA) key is 1024 bits. The…
We can manage cisco devices using crypto key modulus 2048 without issues. However, after increasing the setting from 2048 to 4096 (Security recommendations); we can no longer connect to our devices. Anyone encountered this kind of issue? I tried raising it to support but was not able to get good information. Anyone tried…
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