CISCO 3620 подключена портом Е1 по рейлейке к Juniper-у.
Собственно контроллер Е1 настроен так:controller E1 1/0
framing NO-CRC4
channel-group 0 timeslots 1-31
description To Rostelecom
В логе циски видно:
c3620#sh log
Syslog logging: enabled (0 messages dropped, 0 messages rate-limited, 0 flushes, 0 overruns)
Console logging: disabled
Monitor logging: level debugging, 0 messages logged
Buffer logging: level debugging, 2667361 messages logged
Logging Exception size (4096 bytes)
Trap logging: level informational, 3648 message lines logged
Log Buffer (4096 bytes):
...
Feb 26 18:11:24: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to down
Feb 26 18:11:25: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to up
Feb 26 21:53:51: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to down
Feb 26 21:53:52: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to up
Feb 26 21:59:52: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to down
Feb 26 21:59:53: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to up
Feb 27 03:30:32: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to down
Feb 27 03:30:33: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to up
Feb 27 04:08:06: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to down
Feb 27 04:08:07: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to up
Feb 27 07:56:34: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to down
Feb 27 07:56:35: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to up
Feb 27 09:20:44: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to down
Feb 27 09:20:45: %CONTROLLER-5-UPDOWN: Controller E1 1/0, changed state to up
Есть средства более тонкой настройки контроллера (может в конфиге надо что-то подтюнить) или хотя бы средства расширенной диагностики для контроллера.
Можно погрешить на релейку и "замирания" в ее канале, но не настолько же часто?! :(
Пинг до Juniper-а бегает без проблем:
c3620#ping
Protocol [ip]:
Target IP address: 94.25.10.93
Repeat count [5]: 2000
Datagram size [100]: 1000
Timeout in seconds [2]:
Extended commands [n]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 2000, 1000-byte ICMP Echos to 94.25.10.93, timeout is 2 seconds:
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Success rate is 100 percent (2000/2000), round-trip min/avg/max = 12/21/100 ms
Заранее благодарен за мысли/советы.