Got it

Cannot login NE20E with SSH.

Latest reply: Dec 31, 2018 14:32:02 990 6 6 0 0
Error   information:
    <Huawei>stelnet x.x.x.x -vpn-instance mgt
    Trying x.x.x.x ...
    Press CTRL + K to abort
    Connected to x.x.x.x ...
    The server is not authenticated. Continue to access it? [Y/N]: n
    Info: Session is disconnected.
    <Huawei>stelnet x.x.x.x -vpn-instance mgt
    Trying x.x.x.x ...
    Press CTRL + K to abort
    Connected to x.x.x.x ...
    The server is not authenticated. Continue to access it? [Y/N]: y
    Save the server's public key? [Y/N]: y
    The server's public key will be saved with the name x.x.x.x. Please   wait...
    Error: The number of public keys reached the upper limit (20).
    Error: Failed to save the server's public key.
   
    Please input the username: test
    Enter password:
   
    Info: The connection was closed by the remote host.
   
    Key information:
    The number of public keys reached the upper limit (20).
   
    Solution:
    The number of public keys limit is 20, need to delete some public keys   first.
    Step1:
    undo ssh client x.x.x.x assign rsa-key y.y.y.y
   
    Step2:
    #
    undo rsa peer-public-key y.y.y.y
    public-key-code begin
   
 
30820109
   
02820100
     
E5A93DC8 04BA05C3 03D25ED5   D4B88F12 73D328E9 B3FD8B6F B8EDC1AC FFD364ED
     
CC9A0BCB 067D436D 2B0EBC09   39DE0C63 C8A2BDEB 53A6729B F9FC67BA 00E4436D
     
8BF1C1F4 8144C5BF 041A521D   A63468C4 46308CA6 EDB64CC6 6AFF950F D459BFAA
     
87279F11 6E5A5649 8AA19CA2   5D2A49CE 3266C37A 4D0D909D EB5499B8 FB6392C5
     
9300CC08 10A28CA6 F61EB07D   0F4D2F9E F3B4721A 8DE3CE8B DBCED463 E785D57B
     
5F55DAA1 2731ED15 A6A0E282   2D1EAFF2 C8C7705C 44DCD6FE ADA555C7 A1AE6037
     
EAD244E0 E544AE43 372EAC6C   AEEB6F0A 0A6D82C0 1EAA6C98 B1FB959F 41A8C48C
     
99A70140 A770469E A53A5500   2C8629DC 9E56BDA8 4D80DCB8 AF1537FB 79176847
   
0203
      010001
                             
 
public-key-code end
    peer-public-key end
    #
   
   

  • x
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4am
Created Dec 29, 2018 03:13:34

Error: The number of public keys reached the upper limit (20).  
The upper limit is set for all versions.
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SupperRobin
Created Dec 29, 2018 03:19:23

The number of public keys limit is 20, need to delete some public keys first.

also you can re-create the ssh key

rsa peer-public-key create
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Finn92
Created Dec 29, 2018 03:40:13

The number of public keys limit is 20, need to delete some public keys first.
Step1:
undo ssh client x.x.x.x assign rsa-key y.y.y.y
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NoOneNoWhere
Admin Created Dec 29, 2018 06:47:30

The number of public keys limit is 20, need to delete some public keys first.

Could you explain more about this issue,why need public keys, and how it counts the times of public usage .
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littlestone
Created Dec 29, 2018 11:05:19

SSH is the abbreviation of Secure Shell, formulated by IETF Network Working Group; SSH is a security protocol based on Application layer. SSH is currently more reliable, dedicated to remote login sessions and other network services.
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w1
Created Dec 31, 2018 14:32:02

This case is very simple, from the error information, i think the root case is very clear, need to recreate the key again, but any way, thanks for your sharing, if you can post some other case, it should be good
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