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тАО07-07-2020 03:38 AM
тАО07-07-2020 03:38 AM
Backing Up MSR200x's on Solarwinds
I also have a similar question open on the Solarwinds forums.
We are trying to get MSR200x devices to backup using Solarwinds, but I think that due to the level of encryption in use it keeps failing. Has anyone managed to get this to work and if so can you advise how?
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тАО07-07-2020 05:11 PM
тАО07-07-2020 05:11 PM
Re: Backing Up MSR200x's on Solarwinds
Hi ,
Can you let us know what type of error message you will getting when you trying to back up the device ?
Also did you try to manual back up a single device ?
I work for HPE
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тАО07-08-2020 12:40 AM
тАО07-08-2020 12:40 AM
Re: Backing Up MSR200x's on Solarwinds
Hi ... apologies I guess I should have added some detail
No manual backup has been taken, and not quite sure what you expect from that. However, we had to get the latest version of putty to be able to connect as that was throwing up some form of key mismatch. We also have other MSR's deployed with another client that do backup. However, they have been out in the wild for a couple of years now whereras these are being deployed now. No douby the OS levels are slightly different, but pretty sure it is more to do with encryption or somesuch. Anywyay...
Now, if I try to SSH from within the Solarwinds app itself I get an error that says: "could not negotiate key exchange algorithm" and I see this in the logs on the device:
SSHS/6/SSHS_ALGORITHM_MISMATCH: SSH client 172.x.x.x failed to log in because of pubic key mismatch
SSHS/6/SSHS_DISCONNEC: SSH user (null) (IP 172.x.x.x) disconnected from the server
So I'm guessing there is also a key mismatch of some form going on. Trying a backup causes the same response on the device and Solarwinds fails stating 'connection refused'.
Thanks.
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тАО07-08-2020 05:29 PM
тАО07-08-2020 05:29 PM
Re: Backing Up MSR200x's on Solarwinds
Hi
Thanks for providing in detail, Suspecting the switch could low level encryption capbility . This happen when SSH client and the SSH server used different algorithms, we need to make that the SSH client and the SSH server use the same algorithm..
I suggest you to verify the below link and try to upgrade the encrytption level on the switch.
https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=emr_na-c04387233
Also i suggest you to log a HPE support case to investigaion on this
I work for HPE
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тАО07-09-2020 12:02 AM - edited тАО07-09-2020 12:08 AM
тАО07-09-2020 12:02 AM - edited тАО07-09-2020 12:08 AM
Re: Backing Up MSR200x's on Solarwinds
Hi,
That link takes me to an article that suggests it is a mismatch on encryption levels, which to be fair I already know from the logs on the device. However, it isn't a 100% match as using teh latest version of putty (0.73) I can log on.
Anyway, as I am not overly familiar with these devices - what command can I issue to see what encryption levels / ciphers the device already has?
If I know that, then I can ask Solarwinds if they can match any of them as that is likely a quicker way to do this than getting the project team to update 150+ devices.