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ssh connection error MSR30-20

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  • 1.  ssh connection error MSR30-20

    Posted Sep 15, 2014 03:53 AM

    Hi there.

    After upgrade from version a_msr30-cmw520-r2207p38-si.bin

    to a_msr30-cmw520-r2509p01-si-ru.bin

    i can`t connect to router over ssh.

     

    in debug i see

     

    *Sep 15 11:07:02:423 2014 MSR-Pob16 SSH/7/Server_EVENT:  VTY[2]:Accept:
      Socket:7 LineIndex:180,IP:192.168.12.134
    *Sep 15 11:07:02:423 2014 MSR-Pob16 SSH/7/Server_EVENT:  VTY[2]:Accept:
      SSH user has logged-in from 192.168.12.134, current FSM is SSH_Main_Connect
    *Sep 15 11:07:02:424 2014 MSR-Pob16 SSH/7/Server_MESSAGE:  VTY[2]:SSH2 Version:
      Send Message:SSH_VERSION_SEND from SocketID 7
    *Sep 15 11:07:02:424 2014 MSR-Pob16 SSH/7/Server_EVENT:  VTY[2]:Send Version To Client:
      Successful to send version string: SSH-1.99-Comware-5.20
    
    *Sep 15 11:07:02:424 2014 MSR-Pob16 SSH/7/Server_EVENT:  VTY[2]:FSM Change:
      From SSH_Main_Connect to SSH_Main_VersionMatch.
    
    *Sep 15 11:07:02:496 2014 MSR-Pob16 SSH/7/Server_EVENT:  VTY[2]:Read:
      Process user [] from 192.168.12.134.
    *Sep 15 11:07:02:497 2014 MSR-Pob16 SSH/7/Server_MESSAGE:  VTY[2]:VersionReceived:
      Received VersionString: SSH-2.0-nsssh2_4.0.0031 NetSarang Computer, Inc.
    
    *Sep 15 11:07:02:497 2014 MSR-Pob16 SSH/7/Server_MESSAGE:  VTY[2]:SendKexInit:
      Send Message SSH2_MSG_KEXINIT(20)
    *Sep 15 11:07:02:497 2014 MSR-Pob16 SSH/7/Server_EVENT:  VTY[2]:FSM Change:
      From SSH_Main_VersionMatch to SSH_Main_SSHProcess.
    
    *Sep 15 11:07:02:501 2014 MSR-Pob16 SSH/7/Server_EVENT:  VTY[2]:Read:
      Process user [] from 192.168.12.134.
    *Sep 15 11:07:02:502 2014 MSR-Pob16 SSH/7/Server_EVENT:  VTY[2]:Read Buffer:
      Receive Packet(len=380).
    *Sep 15 11:07:02:502 2014 MSR-Pob16 SSH/7/Server_MESSAGE:  VTY[2]:Read Buffer:
      Received Message[Type=20]: SSH2_MSG_KEXINIT.
    *Sep 15 11:07:02:502 2014 MSR-Pob16 SSH/7/Server_ERROR:  VTY[2]:KexChoose Error:
      Failed to choose encrypt policy!
    *Sep 15 11:07:02:503 2014 MSR-Pob16 SSH/7/Server_ERROR:  VTY[2]:Server Key Init Error:
      User [] failed to choose kex(1)!
    *Sep 15 11:07:02:503 2014 MSR-Pob16 SSH/7/Server_EVENT:  VTY[2]:Read:
      Cut connect with user [] from 192.168.12.134
    *Sep 15 11:07:02:512 2014 MSR-Pob16 SSH/7/Server_EVENT:  VTY[2]:Server Disconnect:
      FSM from SSH_Main_SSHProcess(SSH_Sub1_KEX_Init)(SSH_Sub2_Service_Acc)
      to SSH_Main_Disconnect.
    *Sep 15 11:07:02:512 2014 MSR-Pob16 SSH/7/Server_MESSAGE:  VTY[2]:Server Disconnect:
      Send SSH2_MSG_DISCONNECT(1)  from 10.2.0.7 to 192.168.12.134.

     

     

     

    Have anyone ideas?

     

    ps: This (new) version of software contains 56 bit encryption capabilities only


    #ssh
    #MSR
    #error


  • 2.  RE: ssh connection error MSR30-20

    Posted Sep 20, 2014 04:11 PM
    Hi Pavel

    you are right it is definitely related to 56bits encryption capabilities.