After a successfully telnet I always can only write short commands

Discussion in 'Cisco' started by maxxot2004, Aug 7, 2004.

  1. maxxot2004

    maxxot2004 Guest

    Hi.

    I have a cisco 1721 which is part of a network of many others cisco
    1721. Suddenly I was unable to telnet it and a router replacement
    didn't help. I can only telnet into it only by using vty 4. If I use
    all the vty the telnet doesn't work. Then I have a couple of others
    strange problems: I configured a password for the vty access, but when
    I telnet successfully I immediately get access into the router and no
    password is asked to me. Then, I can only write short commands. If I
    write for example a general "show int" or a "show running-config", the
    scroll of the data stops and never goes on after the first scroll.
    I tried from different PC and I always got the same behaviour.

    Follow a cut and paste of the vty line configuration and the
    access-list 14 configuration:

    line vty 0 3
    access-class 14 in
    exec-timeout 3 0
    password xxx
    logging synchronous
    no login
    escape-character 27
    line vty 4
    access-class 14 in
    exec-timeout 3 0
    timeout login response 60
    password xxx
    logging synchronous
    login
    escape-character 27

    access-list 14 remark Controlled access via VTY Lines - Inbound
    access-list 14 permit 10.252.240.0 0.0.3.255
    access-list 14 permit 192.92.77.0 0.0.0.255
    access-list 14 permit 192.92.22.0 0.0.0.255
    access-list 14 permit 143.159.0.0 0.0.255.255
    access-list 14 permit 146.198.0.0 0.1.255.255
    access-list 14 permit 165.120.0.0 0.0.255.255
    access-list 14 permit 213.31.20.0 0.0.3.255
    access-list 14 permit 10.28.91.0 0.0.0.255
    access-list 14 permit 10.28.110.0 0.0.0.255
    access-list 14 permit 10.252.169.0 0.0.0.31
    access-list 14 permit 10.252.169.64 0.0.0.31
    access-list 14 permit 192.168.0.0 0.0.255.255
    access-list 14 permit 204.231.0.0 0.0.255.255
    access-list 14 permit 10.252.168.0 0.0.3.255
    access-list 14 permit 10.252.232.0 0.0.3.255
    access-list 14 permit 10.252.241.0 0.0.0.255

    Thanks for your help,
    Max
     
    maxxot2004, Aug 7, 2004
    #1
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  2. maxxot2004

    Thomas Braun Guest

    Hi,
    >
    > Follow a cut and paste of the vty line configuration and the
    > access-list 14 configuration:
    >
    > line vty 0 3
    > access-class 14 in
    > exec-timeout 3 0
    > password xxx
    > logging synchronous
    > no login

    remove this, than you can login to all vty's.



    > escape-character 27
    > line vty 4
    > access-class 14 in
    > exec-timeout 3 0
    > timeout login response 60
    > password xxx
    > logging synchronous
    > login
    > escape-character 27
    >
    > access-list 14 remark Controlled access via VTY Lines - Inbound
    > access-list 14 permit 10.252.240.0 0.0.3.255
    > access-list 14 permit 192.92.77.0 0.0.0.255
    > access-list 14 permit 192.92.22.0 0.0.0.255
    > access-list 14 permit 143.159.0.0 0.0.255.255
    > access-list 14 permit 146.198.0.0 0.1.255.255
    > access-list 14 permit 165.120.0.0 0.0.255.255
    > access-list 14 permit 213.31.20.0 0.0.3.255
    > access-list 14 permit 10.28.91.0 0.0.0.255
    > access-list 14 permit 10.28.110.0 0.0.0.255
    > access-list 14 permit 10.252.169.0 0.0.0.31
    > access-list 14 permit 10.252.169.64 0.0.0.31
    > access-list 14 permit 192.168.0.0 0.0.255.255
    > access-list 14 permit 204.231.0.0 0.0.255.255
    > access-list 14 permit 10.252.168.0 0.0.3.255
    > access-list 14 permit 10.252.232.0 0.0.3.255
    > access-list 14 permit 10.252.241.0 0.0.0.255
    >
    > Thanks for your help,
    > Max
     
    Thomas Braun, Aug 11, 2004
    #2
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  3. maxxot2004

    Hansang Bae Guest


    > > line vty 0 3
    > > access-class 14 in
    > > exec-timeout 3 0
    > > password xxx
    > > logging synchronous
    > > no login


    In article <>, says...
    > remove this, than you can login to all vty's.



    Why? That just says a password is not required.


    --

    hsb

    "Somehow I imagined this experience would be more rewarding" Calvin
    *************** USE ROT13 TO SEE MY EMAIL ADDRESS ****************
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    Due to the volume of email that I receive, I may not not be able to
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    Hansang Bae, Aug 12, 2004
    #3
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