"No shared cipher" error but listed in preferred ciphers

[David B Funk]

Not a suggestion on your entryption issue, but have you checked to see if there 
are firmware updates available for your old switches?

The original HP (now HPE) was pretty good about providing firmware for those 
old switches (back in the day when they made them from real metal ;)

On Mon, 24 Nov 2025, Nicolas Godbert via Freeradius-Users wrote:

> Hello,
>
> I try to recycle some old HPE switches as radius client using EAP-TLS 
> based protocols for test only.
> They are using old deprecated ciphers, so i rebuild openssl for legacy 
> suites on a raspbian (I know, it's bad idea and not secure).
>
> # openssl ciphers -v ALL | grep RC4
> RC4-MD5                        SSLv3   Kx=RSA      Au=RSA  Enc=RC4(128)  
>              Mac=MD5
>
> So, when the server freeradius and the switch try to negociate, i can 
> see in the logs that the cipher RC4-MD5 is now common for the two devices.
>

[snip...]

> Do you have some hints to help debug further please ?
> Thank you in advance.
>
> Best regards,
>
>

-- 
Dave Funk                               University of Iowa
<dbfunk (at) engineering.uiowa.edu>     College of Engineering
319/335-5751   FAX: 319/384-0549        1256 Seamans Center, 103 S Capitol St.
Sys_admin/Postmaster/cell_admin         Iowa City, IA 52242-1527
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