Cisco регулярно сбрасывает интерфейсы (по очереди)

Господа,помогите разобраться. Ниже приводится пример логов циски, которая регулярно сбрасывает интерфейсы - т.е. все прекрасно работает (там видно, пакеты шлются и т.д. и т.п.), но периодически без видимых причин начиается Interface **, changed state to reset -> Interface **, changed state to up... и каждый по разу (из используемых, те которые admin.down - не сбрасываются) Канал физически не падает - везде выделенки, качество хорошее, иногда обрывы случаются, но не так же планомерно - в порядке возрастания номера интерфейса... Какие будут соображения, помогите, кто чем может...
Пишите в форум или на idc@nm.ru
WBR,
idc

Sep 3 16:39:55 192.168.1.1 67093: 1d23h: %SEC-6-IPACCESSLOGP: list 101 denied tcp 192.168.125.54(4695) (Virtual-Access3 *PPP*) ->
Sep 3 16:39:56 192.168.1.1 67094: 1d23h: %LINK-3-UPDOWN: Interface Async41, changed state to up
Sep 3 16:39:57 192.168.1.1 67095: 1d23h: %SEC-6-IPACCESSLOGP: list 101 permitted tcp 192.168.160.12(1956) (Virtual-Access1 *PPP*)
Sep 3 16:39:59 192.168.1.1 67096: 1d23h: %SEC-6-IPACCESSLOGP: list 101 permitted tcp 192.168.128.10(1487) (Virtual-Access2 *PPP*)
Sep 3 16:40:13 192.168.1.1 67097: 1d23h: %LINK-5-CHANGED: Interface Async33, changed state to reset
Sep 3 16:40:16 192.168.1.1 67098: 1d23h: %LINK-3-UPDOWN: Interface Async33, changed state to up
Sep 3 16:40:20 192.168.1.1 67099: 1d23h: %LINK-5-CHANGED: Interface Async41, changed state to reset
Sep 3 16:40:23 192.168.1.1 67100: 1d23h: %LINK-3-UPDOWN: Interface Async41, changed state to up
Sep 3 16:40:40 192.168.1.1 67101: 1d23h: %LINK-5-CHANGED: Interface Async33, changed state to reset
Sep 3 16:40:43 192.168.1.1 67102: 1d23h: %LINK-3-UPDOWN: Interface Async33, changed state to up
Sep 3 16:40:47 192.168.1.1 67103: 1d23h: %LINK-5-CHANGED: Interface Async41, changed state to reset
Sep 3 16:40:50 192.168.1.1 67104: 1d23h: %LINK-3-UPDOWN: Interface Async41, changed state to up
Sep 3 16:41:07 192.168.1.1 67105: 1d23h: %LINK-5-CHANGED: Interface Async33, changed state to reset
Sep 3 16:41:10 192.168.1.1 67106: 1d23h: %LINK-3-UPDOWN: Interface Async33, changed state to up
Sep 3 16:41:14 192.168.1.1 67107: 1d23h: %LINK-5-CHANGED: Interface Async41, changed state to reset
Sep 3 16:41:17 192.168.1.1 67108: 1d23h: %LINK-3-UPDOWN: Interface Async41, changed state to up
Sep 3 16:41:34 192.168.1.1 67109: 1d23h: %LINK-5-CHANGED: Interface Async33, changed state to reset
Sep 3 16:41:37 192.168.1.1 67110: 1d23h: %LINK-3-UPDOWN: Interface Async33, changed state to up
Sep 3 16:41:41 192.168.1.1 67111: 1d23h: %LINK-5-CHANGED: Interface Async41, changed state to reset
Sep 3 16:41:44 192.168.1.1 67112: 1d23h: %LINK-3-UPDOWN: Interface Async41, changed state to up
Sep 3 16:42:01 192.168.1.1 67113: 1d23h: %LINK-5-CHANGED: Interface Async33, changed state to reset
Sep 3 16:42:04 192.168.1.1 67114: 1d23h: %LINK-3-UPDOWN: Interface Async33, changed state to up
Sep 3 16:42:08 192.168.1.1 67115: 1d23h: %LINK-5-CHANGED: Interface Async41, changed state to reset
Sep 3 16:42:11 192.168.1.1 67116: 1d23h: %LINK-3-UPDOWN: Interface Async41, changed state to up
Sep 3 16:42:28 192.168.1.1 67117: 1d23h: %LINK-5-CHANGED: Interface Async33, changed state to reset
Sep 3 16:42:31 192.168.1.1 67118: 1d23h: %LINK-3-UPDOWN: Interface Async33, changed state to up
Sep 3 16:42:35 192.168.1.1 67119: 1d23h: %LINK-5-CHANGED: Interface Async41, changed state to reset
Sep 3 16:42:39 192.168.1.1 67120: 1d23h: %LINK-3-UPDOWN: Interface Async41, changed state to up
Sep 3 16:42:55 192.168.1.1 67121: 1d23h: %LINK-5-CHANGED: Interface Async33, changed state to reset
Sep 3 16:42:58 192.168.1.1 67122: 1d23h: %LINK-3-UPDOWN: Interface Async33, changed state to up
Sep 3 16:43:02 192.168.1.1 67123: 1d23h: %LINK-5-CHANGED: Interface Async41, changed state to reset
Sep 3 16:43:05 192.168.1.1 67124: 1d23h: %LINK-3-UPDOWN: Interface Async41, changed state to up
Sep 3 16:43:23 192.168.1.1 67125: 1d23h: %LINK-5-CHANGED: Interface Async33, changed state to reset
Sep 3 16:43:26 192.168.1.1 67126: 1d23h: %LINK-3-UPDOWN: Interface Async33, changed state to up
Sep 3 16:43:29 192.168.1.1 67127: 1d23h: %LINK-5-CHANGED: Interface Async41, changed state to reset
Sep 3 16:43:32 192.168.1.1 67128: 1d23h: %LINK-3-UPDOWN: Interface Async41, changed state to up
Sep 3 16:43:50 192.168.1.1 67129: 1d23h: %LINK-5-CHANGED: Interface Async33, changed state to reset
Sep 3 16:43:53 192.168.1.1 67130: 1d23h: %LINK-3-UPDOWN: Interface Async33, changed state to up
Sep 3 16:43:57 192.168.1.1 67131: 1d23h: %LINK-5-CHANGED: Interface Async41, changed state to reset
Sep 3 16:44:08 192.168.1.1 67132: 1d23h: %LINK-3-UPDOWN: Interface Async41, changed state to up

[url=http://www.opennet.ru/openforum/vsluhforumID6/6070.html]Сюда[/url] уже обращался - нико пока не ответил... :(
Помогите,а? :)

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