Hi,
we are not able to connect to this server we got error (**Negotiation failed. The connection was closed by the server. ---> ComponentPro.Net.SecureShellException: The connection was closed by the server.**)
I have below configuration on ssh switch.
router2#sh ip ssh
SSH Enabled - version 2.0
Authentication methodszpublickey,keyboard-interactive,password
Authentication Publickey Algorithms:x509v3-ssh-rsa,ssh-rsa
Hostkey Algorithms:x509v3-ssh-rsa,ssh-rsa
Encryption Algorithms:aes128-ctr,aes192-ctr,aes256-ctr
MAC Algorithms:hmac-sha2-256,hmac-sha2-512,hmac-sha1,hmac-sha1-96
KEX Algorithms:diffie-hellman-group-exchange-shal,diffie-hellman-groupl4-sha1
Authentication timeout: 120 secs; Authentication retries: 3
Minimum.expected Diffie Hellman key size : 2048 bits
103 Keys in SECSH format(ssh-rsa, base64 encoded): TP-self-signed-1635529526
ssh-rsa AAAAB3NzaClyc2EAAAADAQABAAABAQDOU3inSaPp68leiPNagXDCHGoéstOKB4eEo5le
QVVEOnMUVZOiMqLeéa/ScjKK CdeVoc3s1QPw68ep6thMquer/PPPka/YSNGDnBPOVol4LU€A74
TBhoxéHrquhOpXAXtrpEHaianOcl K/f5r Kv4SULNJSKyranb8SéuROC aLSGw63mskol6brkaM
NVchiofzfo5ub7 8KDQUvTKmQ8c4IthZKpBOxVIzmHvY3nwWGSShjOikp6GéngRersGdth2anj
72TjavapKVidl/KLIXiLNX7BbA7erVSxGSogmepwvgNooSr3stqfxéXxx
i did application trace and found below result.
Ssh(1) [07/23/2018 19:32:42.97] Information - Info: Connecting to 10.10.0.136:22 - Ssh v6.8.40.4119 (Production version).
Ssh(1) [07/23/2018 19:32:43.22] Error - Info: ComponentPro.Net.SecureShellException: Negotiation failed. The connection was closed by the server. ---> ComponentPro.Net.SecureShellException: The connection was closed by the server.
at ComponentPro.Net.SecureShellConnection.c_EQD[T,U](c_BQD`2 c_KSD, Int32 c_P3D, c_CQD c_A4D, U c_MSD, T c_B4D, T c_C4D)
at ComponentPro.Net.SecureShellConnection.c_HQD[T,U](c_BQD`2 c_KSD, U c_MSD)
at ComponentPro.Net.SecureShellConnection.c_UWD(c_SWD c_Z5D)
at c_RAE.c_YUD(SecureShellConnection c_XDD, Byte[] c_LZD, Byte[] c_NZD, Byte[] c_M4D, Byte[] c_H4D, Byte[]& c_MWA, Byte[]& c_Z4D, SecureShellPublicKey& c_A5D)
at ComponentPro.Net.SecureShellConnection.c_YUD(Byte[] c_H4D)
--- End of inner exception stack trace ---
at ComponentPro.Net.SecureShellConnection.c_YUD(Byte[] c_H4D)
at ComponentPro.Net.SecureShellConnection.Negotiate()
at ComponentPro.Net.Terminal.SshClient.c_K4E(String c_ROA, Int32 c_PKD, SecureShellConfig c_LJB, AsyncOperation c_DA)
Please provide possible solution for this issue.
Thanks
ARCON Support
edited 7/23/2018 2:25:02 PM
asked 7/23/2018 2:15:43 PM