Добрый день коллеги. Имеется 2611 + VWIC 2MFT-E1-DI. В карту проключен поток с мультиплексора ЦРРЛС. Пока поток не пользовали проблему не замечали. Но вот с приходом активного трафика начались проблемы. Время от времени в логи валится следующее:

Aug 21 10:55:08 Megion01-fa0-0-blackcat.mtel.wsnet.ru 790: 1w6d: АT1_MODULE-3-LINEFLAP: Interface Serial0/0:0 receiving excessive errored packets
Aug 21 10:55:12 Megion01-fa0-0-blackcat.mtel.wsnet.ru 791: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (RAI detected)
Aug 21 10:55:14 Megion01-fa0-0-blackcat.mtel.wsnet.ru 792: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 10:55:14 Megion01-fa0-0-blackcat.mtel.wsnet.ru 793: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 10:55:14 Megion01-fa0-0-blackcat.mtel.wsnet.ru 794: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 10:55:17 Megion01-fa0-0-blackcat.mtel.wsnet.ru 795: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 10:55:17 Megion01-fa0-0-blackcat.mtel.wsnet.ru 796: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 10:55:18 Megion01-fa0-0-blackcat.mtel.wsnet.ru 797: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (RAI detected)
Aug 21 10:55:20 Megion01-fa0-0-blackcat.mtel.wsnet.ru 798: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 10:55:20 Megion01-fa0-0-blackcat.mtel.wsnet.ru 799: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 10:55:31 Megion01-fa0-0-blackcat.mtel.wsnet.ru 800: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 10:55:33 Megion01-fa0-0-blackcat.mtel.wsnet.ru 801: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 10:55:33 Megion01-fa0-0-blackcat.mtel.wsnet.ru 802: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 10:55:38 Megion01-fa0-0-blackcat.mtel.wsnet.ru 803: 1w6d: АT1_MODULE-3-LINEFLAP: Interface Serial0/0:0 receiving excessive errored packets
Aug 21 10:55:38 Megion01-fa0-0-blackcat.mtel.wsnet.ru 804: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (RAI detected)
Aug 21 10:55:40 Megion01-fa0-0-blackcat.mtel.wsnet.ru 805: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 10:55:40 Megion01-fa0-0-blackcat.mtel.wsnet.ru 806: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 10:57:05 Megion01-fa0-0-blackcat.mtel.wsnet.ru 807: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 10:57:07 Megion01-fa0-0-blackcat.mtel.wsnet.ru 808: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 10:57:07 Megion01-fa0-0-blackcat.mtel.wsnet.ru 809: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 10:57:08 Megion01-fa0-0-blackcat.mtel.wsnet.ru 810: 1w6d: АT1_MODULE-3-LINEFLAP: Interface Serial0/0:0 receiving excessive errored packets
Aug 21 10:57:09 Megion01-fa0-0-blackcat.mtel.wsnet.ru 811: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (LOF detected)
Aug 21 10:57:11 Megion01-fa0-0-blackcat.mtel.wsnet.ru 812: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 10:57:11 Megion01-fa0-0-blackcat.mtel.wsnet.ru 813: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 10:58:29 Megion01-fa0-0-blackcat.mtel.wsnet.ru 814: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 10:58:30 Megion01-fa0-0-blackcat.mtel.wsnet.ru 815: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (RAI detected)
Aug 21 11:00:18 Megion01-fa0-0-blackcat.mtel.wsnet.ru 816: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:00:20 Megion01-fa0-0-blackcat.mtel.wsnet.ru 817: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 11:00:20 Megion01-fa0-0-blackcat.mtel.wsnet.ru 818: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 11:00:21 Megion01-fa0-0-blackcat.mtel.wsnet.ru 819: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (RAI detected)
Aug 21 11:00:23 Megion01-fa0-0-blackcat.mtel.wsnet.ru 820: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 11:00:23 Megion01-fa0-0-blackcat.mtel.wsnet.ru 821: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 11:00:27 Megion01-fa0-0-blackcat.mtel.wsnet.ru 822: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:00:29 Megion01-fa0-0-blackcat.mtel.wsnet.ru 823: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 11:00:29 Megion01-fa0-0-blackcat.mtel.wsnet.ru 824: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 11:00:36 Megion01-fa0-0-blackcat.mtel.wsnet.ru 825: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (LOF detected)
Aug 21 11:00:38 Megion01-fa0-0-blackcat.mtel.wsnet.ru 826: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 11:00:38 Megion01-fa0-0-blackcat.mtel.wsnet.ru 827: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 11:01:01 Megion01-fa0-0-blackcat.mtel.wsnet.ru 828: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:01:03 Megion01-fa0-0-blackcat.mtel.wsnet.ru 829: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 11:01:03 Megion01-fa0-0-blackcat.mtel.wsnet.ru 830: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 11:01:05 Megion01-fa0-0-blackcat.mtel.wsnet.ru 831: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (LOF detected)
Aug 21 11:01:07 Megion01-fa0-0-blackcat.mtel.wsnet.ru 832: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 11:01:07 Megion01-fa0-0-blackcat.mtel.wsnet.ru 833: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 11:01:09 Megion01-fa0-0-blackcat.mtel.wsnet.ru 834: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:01:11 Megion01-fa0-0-blackcat.mtel.wsnet.ru 835: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 11:01:11 Megion01-fa0-0-blackcat.mtel.wsnet.ru 836: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 11:01:12 Megion01-fa0-0-blackcat.mtel.wsnet.ru 837: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (LOF detected)
Aug 21 11:01:14 Megion01-fa0-0-blackcat.mtel.wsnet.ru 838: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 11:01:14 Megion01-fa0-0-blackcat.mtel.wsnet.ru 839: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 11:01:16 Megion01-fa0-0-blackcat.mtel.wsnet.ru 840: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:01:18 Megion01-fa0-0-blackcat.mtel.wsnet.ru 841: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 11:01:18 Megion01-fa0-0-blackcat.mtel.wsnet.ru 842: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 11:01:24 Megion01-fa0-0-blackcat.mtel.wsnet.ru 843: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (LOF detected)
Aug 21 11:01:26 Megion01-fa0-0-blackcat.mtel.wsnet.ru 844: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 11:01:26 Megion01-fa0-0-blackcat.mtel.wsnet.ru 845: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:01:26 Megion01-fa0-0-blackcat.mtel.wsnet.ru 846: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 11:01:28 Megion01-fa0-0-blackcat.mtel.wsnet.ru 847: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 11:01:28 Megion01-fa0-0-blackcat.mtel.wsnet.ru 848: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 11:01:29 Megion01-fa0-0-blackcat.mtel.wsnet.ru 849: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (RAI detected)
Aug 21 11:01:31 Megion01-fa0-0-blackcat.mtel.wsnet.ru 850: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 11:01:31 Megion01-fa0-0-blackcat.mtel.wsnet.ru 851: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 11:01:32 Megion01-fa0-0-blackcat.mtel.wsnet.ru 852: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:01:34 Megion01-fa0-0-blackcat.mtel.wsnet.ru 853: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 11:01:34 Megion01-fa0-0-blackcat.mtel.wsnet.ru 854: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 11:01:36 Megion01-fa0-0-blackcat.mtel.wsnet.ru 855: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (LOF detected)
Aug 21 11:01:38 Megion01-fa0-0-blackcat.mtel.wsnet.ru 856: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 11:01:38 Megion01-fa0-0-blackcat.mtel.wsnet.ru 857: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:01:38 Megion01-fa0-0-blackcat.mtel.wsnet.ru 858: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 11:01:39 Megion01-fa0-0-blackcat.mtel.wsnet.ru 859: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (RAI detected)
Aug 21 11:01:42 Megion01-fa0-0-blackcat.mtel.wsnet.ru 860: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:01:44 Megion01-fa0-0-blackcat.mtel.wsnet.ru 861: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (LOF detected)
Aug 21 11:01:47 Megion01-fa0-0-blackcat.mtel.wsnet.ru 862: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:01:49 Megion01-fa0-0-blackcat.mtel.wsnet.ru 863: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 11:01:49 Megion01-fa0-0-blackcat.mtel.wsnet.ru 864: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 11:01:51 Megion01-fa0-0-blackcat.mtel.wsnet.ru 865: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (LOF detected)
Aug 21 11:01:53 Megion01-fa0-0-blackcat.mtel.wsnet.ru 866: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 11:01:53 Megion01-fa0-0-blackcat.mtel.wsnet.ru 867: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 11:02:03 Megion01-fa0-0-blackcat.mtel.wsnet.ru 868: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:02:04 Megion01-fa0-0-blackcat.mtel.wsnet.ru 869: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (RAI detected)
Aug 21 11:02:09 Megion01-fa0-0-blackcat.mtel.wsnet.ru 870: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:02:10 Megion01-fa0-0-blackcat.mtel.wsnet.ru 871: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (RAI detected)
Aug 21 11:02:14 Megion01-fa0-0-blackcat.mtel.wsnet.ru 872: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:02:16 Megion01-fa0-0-blackcat.mtel.wsnet.ru 873: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 11:02:16 Megion01-fa0-0-blackcat.mtel.wsnet.ru 874: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up
Aug 21 11:03:24 Megion01-fa0-0-blackcat.mtel.wsnet.ru 875: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (RAI detected)
Aug 21 11:03:26 Megion01-fa0-0-blackcat.mtel.wsnet.ru 876: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 11:03:26 Megion01-fa0-0-blackcat.mtel.wsnet.ru 877: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:03:26 Megion01-fa0-0-blackcat.mtel.wsnet.ru 878: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 21 11:03:28 Megion01-fa0-0-blackcat.mtel.wsnet.ru 879: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 11:03:29 Megion01-fa0-0-blackcat.mtel.wsnet.ru 880: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (RAI detected)
Aug 21 11:03:31 Megion01-fa0-0-blackcat.mtel.wsnet.ru 881: 1w6d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 21 11:03:55 Megion01-fa0-0-blackcat.mtel.wsnet.ru 882: 1w6d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 21 11:03:57 Megion01-fa0-0-blackcat.mtel.wsnet.ru 883: 1w6d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 21 11:03:57 Megion01-fa0-0-blackcat.mtel.wsnet.ru 884: 1w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up

Либо подобного вида информация:

Aug 26 00:15:58 Megion01-fa0-0-blackcat.mtel.wsnet.ru 927: 2w4d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to down (LOF detected)
Aug 26 00:16:00 Megion01-fa0-0-blackcat.mtel.wsnet.ru 928: 2w4d: %LINK-5-CHANGED: Interface Serial0/0:0, changed state to reset
Aug 26 00:16:00 Megion01-fa0-0-blackcat.mtel.wsnet.ru 929: 2w4d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to down
Aug 26 00:16:01 Megion01-fa0-0-blackcat.mtel.wsnet.ru 930: 2w4d: %CONTROLLER-5-UPDOWN: Controller E1 0/0, changed state to up
Aug 26 00:16:03 Megion01-fa0-0-blackcat.mtel.wsnet.ru 931: 2w4d: %LINK-3-UPDOWN: Interface Serial0/0:0, changed state to up
Aug 26 00:16:03 Megion01-fa0-0-blackcat.mtel.wsnet.ru 932: 2w4d: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0:0, changed state to up

Зависимости падений обнаружено не было. На этой же ЦРРЛС работает куча другого оборудование, включая циски. Но правда работают на конвертерах V.35<->G.703. Каналы с конвертерами работают годами. В чем может быть проблема??