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Ericsson SE-100 периодически теряет DHCP Один из двух Ericsson SE-100 не видит DHCP периодически

Используем в нашей сети два идентично настроены Ericsson SE-100. Далее первый SE-100(1) - IP-адрес 192.168.11.10, второй SE-100(2) - IP-адрес 192.168.11.12.

DHCP-сервер и оба SE-100 связываются между собой отдельным VLAN и кроме двух SE-100 DHCP-сервера в этом VLAN нет больше никого.

По SE-100(1) в логе наблюдаем большое количество сообщений:

 

May 21 17:10:23 172.17.0.10 May 28 17:10:23: [0002]: %DHCP-5-MRKG_SV_DEAD: Marking server: 192.168.11.1 in context: inet dead

May 21 17:10:23 172.17.0.10 May 28 17:10:23: [0002]: %DHCP-5-MRKG_SV_ALIVE: Marking server: 192.168.11.1 in context: inet alive

 

В логе SE-100(2) таких сообщений не наблюдается!

 

При этом по PING данный DHCP-сервер и SE-100(1) видят без потерь. Мониторинг выполнялся порядка одних суток, в результате 0% потерь.

 

По дампу проблем в работе SE100(1), которые могут влиять на взаимодействие SE100(1) и DHCP не

зафиксировано. Но, согласно логов чётко видно, что SE100(1) не получает часть служебных пакетов от DHCP

сервера из-за чего и помечает DHCP сервер как - Marking server: 192.168.11.1 in context: inet dead.

 

May 21 12:12:17 172.17.0.10 May 21 12:12:17: [0002]: [255/22:13:58/7/2/36476]: %DHCP-7-TIMER: DHCP_PENDING_TIMER expired for client: 00:11:5b:fd:af:a5 for packet type[3]

May 21 12:12:17 172.17.0.10 May 21 12:12:17: %DHCP-7-GEN: Found mac cct entry for mac 00:11:5b:fd:af:a5 giaddr 0.0.0.0

May 21 12:12:17 172.17.0.10 May 21 12:12:17: [255/22:13:58/7/2/36476]: %DHCP-7-OPT: Deleting cached request from MAC 00:11:5b:fd:af:a5

May 21 12:12:17 172.17.0.10 May 21 12:12:17: [0002]: [255/22:13:58/7/2/36476]: %DHCP-7-TIMER: Stopping DHCP_PENDING_TIMER timer; mac 00:11:5b:fd:af:a5

May 21 12:12:21 172.17.0.10 May 21 12:12:21: [0002]: [255/22:13:58/7/2/30623]: %DHCP-7-TIMER: DHCP_PENDING_TIMER expired for client: 64:27:37:23:fd:6b for packet type[3]

May 21 12:12:21 172.17.0.10 May 21 12:12:21: [0002]: %DHCP-5-MRKG_SV_DEAD: Marking server: 192.168.11.1 in context: inet dead

May 21 12:12:21 172.17.0.10 May 21 12:12:21: [0002]: %DHCP-7-GEN: last resp time: May 21 12:12:08, now: May 21 12:12:21 diff: 13

 

По рекомендации support-а Обновил 28/05/2015 ~1:45 ПО до рекомендуемой версии:

[local]Redback_1#sh ver

Redback Networks SmartEdge OS Version SEOS-12.1.1.9p2-Release

Built by sysbuild@eussjlx7009.sj.us.am.ericsson.se Thu Apr 16 04:04:28 PDT 2015

Copyright (coffee) 1998-2015, Redback Networks Inc. All rights reserved.

System Bootstrap version is PowerPC,rev2.0.1.4

Installed minikernel version is 2.6

Router Up Time - 15 hours 53 minutes 1 sec

 

После обновления наблюдаются все теже самые проблемы:

May 28 15:09:10 172.17.0.10 May 28 15:09:10: [0002]: %DHCP-5-MRKG_SV_DEAD: Marking server: 192.168.11.1 in context: inet dead

May 28 15:09:13 172.17.0.10 May 28 15:09:13: [0002]: %DHCP-5-MRKG_SV_ALIVE: Marking server: 192.168.11.1 in context: inet alive

May 28 15:12:58 172.17.0.10 May 28 15:12:58: [0002]: %DHCP-5-MRKG_SV_DEAD: Marking server: 192.168.11.1 in context: inet dead

May 28 15:12:59 172.17.0.10 May 28 15:12:59: [0002]: %DHCP-5-MRKG_SV_ALIVE: Marking server: 192.168.11.1 in context: inet alive

May 28 15:44:42 172.17.0.10 May 28 15:44:42: [0002]: %DHCP-5-MRKG_SV_DEAD: Marking server: 192.168.11.1 in context: inet dead

May 28 15:44:43 172.17.0.10 May 28 15:44:43: [0002]: %DHCP-5-MRKG_SV_ALIVE: Marking server: 192.168.11.1 in context: inet alive

May 28 16:39:00 172.17.0.10 May 28 16:39:00: [0002]: %DHCP-5-MRKG_SV_DEAD: Marking server: 192.168.11.1 in context: inet dead

May 28 16:39:03 172.17.0.10 May 28 16:39:03: [0002]: %DHCP-5-MRKG_SV_ALIVE: Marking server: 192.168.11.1 in context: inet alive

May 28 16:45:49 172.17.0.10 May 28 16:45:49: [0002]: %DHCP-5-MRKG_SV_DEAD: Marking server: 192.168.11.1 in context: inet dead

May 28 16:45:51 172.17.0.10 May 28 16:45:51: [0002]: %DHCP-5-MRKG_SV_ALIVE: Marking server: 192.168.11.1 in context: inet alive

May 28 17:04:40 172.17.0.10 May 28 17:04:40: [0002]: %DHCP-5-MRKG_SV_DEAD: Marking server: 192.168.11.1 in context: inet dead

May 28 17:04:40 172.17.0.10 May 28 17:04:40: [0002]: %DHCP-5-MRKG_SV_ALIVE: Marking server: 192.168.11.1 in context: inet alive

May 28 17:10:23 172.17.0.10 May 28 17:10:23: [0002]: %DHCP-5-MRKG_SV_DEAD: Marking server: 192.168.11.1 in context: inet dead

May 28 17:10:23 172.17.0.10 May 28 17:10:23: [0002]: %DHCP-5-MRKG_SV_ALIVE: Marking server: 192.168.11.1 in context: inet alive

 

[17:33][@localhost:~]# cat /var/log/se100/bras_1.log | grep -c Marking

506

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