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Cisco Catalist 6500 настройка консоли вывод без ввода

CISCO 6500. Первый супервизор, подключен консольным портом на COM порт первого сервера. Второй, на COM порт второго сервера.

  1    2  Catalyst 6000 supervisor 2 (Active)    WS-X6K-SUP2-2GE
 2    2  Catalyst 6000 supervisor 2 (Hot)       WS-X6K-SUP2-2GE

 

Проблема в том, что в какой-то момент времени первая консоль стала работать только на вывод. Попытался войти через второй супервизор, там всё работало пока не отреплицировалась конфигурация с первого. Т.е. как я понимаю проблемы в конфигурации.

 

#sh line console 0
  Tty Typ     Tx/Rx    A Modem  Roty AccO AccI   Uses   Noise  Overruns   Int
    0 CTY              -    -      -    -    -      0       2     0/0       -

Line 0, Location: "", Type: ""
Length: 24 lines, Width: 80 columns
Status: Ready, 0x40000
Capabilities: none
Modem state: Ready
Group codes:    0
Special Chars: Escape  Hold  Stop  Start  Disconnect  Activation
               ^^x    none   -     -       none
Timeouts:      Idle EXEC    Idle Session   Modem Answer  Session   Dispatch
              00:10:00        never                        none     not set
                           Idle Session Disconnect Warning
                             never
                           Login-sequence User Response
                            00:00:30
                           Autoselect Initial Wait
                             not set
Modem type is unknown.
Session limit is not set.
Time since activation: never
Editing is enabled.
History is enabled, history size is 10.
DNS resolution in show commands is enabled
Full user help is disabled
Allowed input transports are none.
Allowed output transports are lat pad mop udptn telnet rlogin ssh nasi acercon.
Preferred transport is lat pad mop udptn telnet rlogin ssh nasi acercon.
No output characters are padded
No special data dispatching characters

Что тут не так? Куда смотреть?

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Allowed input transports are none.

как я понимаю это норма. Посмотрел на похожем шасси, под такой же операционкой. Там присутствует такое же сообщение и всё работает.

Вот с рабочей конфигурации.

#sh line console 0
  Tty Typ     Tx/Rx    A Modem  Roty AccO AccI   Uses   Noise  Overruns   Int
*    0 CTY              -    -      -    -    -      0       0     0/0       -

Line 0, Location: "", Type: ""
Length: 24 lines, Width: 80 columns
Status: PSI Enabled, Ready, Active, Ctrl-c Enabled, Automore On
 0x40000
Capabilities: none
Modem state: Ready
Group codes:    0
Special Chars: Escape  Hold  Stop  Start  Disconnect  Activation
               ^^x    none   -     -       none
Timeouts:      Idle EXEC    Idle Session   Modem Answer  Session   Dispatch
              00:10:00        never                        none     not set
                           Idle Session Disconnect Warning
                             never
                           Login-sequence User Response
                            00:00:30
                           Autoselect Initial Wait
                             not set
Modem type is unknown.
Session limit is not set.
Time since activation: [u]00:00:17[/u]
Editing is enabled.
History is enabled, history size is 10.
DNS resolution in show commands is enabled
Full user help is disabled
Allowed input transports are none.
Allowed output transports are lat pad mop telnet rlogin ssh nasi.
Preferred transport is lat.
No output characters are padded
No special data dispatching characters

Отличается всего парой строк.

Какими командами можно привести консоль в рабочее состояние?

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