Шлюз рвет соеденения.

[Шлюз рвет соеденения.]

Шлюз на Freebsd 7.0, который соединяет семь сетей. Через разние промежутки времени рвет соеденения в разных сетях (при этом в одной сети один не пингует шлюз, а у другой пингует). В логах следующее

 

Sep 21 17:09:57 gateway kernel: arp: 192.168.5.47 is on em1 but got reply from 00:e0:4c:50:3b:4a on em0

Sep 21 17:09:57 gateway kernel: arp: 192.168.6.154 is on em1 but got reply from 00:13:8f:1e:5b:0d on em0

Sep 21 17:09:57 gateway kernel: arp: 192.168.6.153 is on em1 but got reply from 00:00:e8:8e:01:5f on em0

Sep 21 17:09:57 gateway kernel: arp: 192.168.10.62 is on em1 but got reply from 00:1e:8c:e9:ee:ba on em0

Sep 21 17:09:57 gateway kernel: arp: 192.168.6.208 is on em1 but got reply from 00:01:29:d0:41:8b on em0

Sep 21 17:09:57 gateway kernel: arp: 192.168.6.121 is on em1 but got reply from 00:02:2a:e1:37:f1 on em0

Sep 21 17:09:57 gateway kernel: arp: 192.168.6.93 is on em1 but got reply from 00:0d:87:4c:d9:bc on em0

Sep 21 17:09:57 gateway kernel: arp: 192.168.6.72 is on em1 but got reply from 00:0e:2e:a3:fd:c9 on em0

Sep 21 17:09:57 gateway kernel: arp: 192.168.6.139 is on em1 but got reply from 00:19:db:be:45:bd on em0

Sep 21 17:09:57 gateway kernel: arp: 192.168.6.33 is on em1 but got reply from 00:19:5b:38:c1:b7 on em0

Sep 21 17:09:58 gateway kernel: arp: 192.168.6.121 is on em1 but got reply from 00:02:2a:e1:37:f1 on em0

Sep 21 17:09:58 gateway kernel: arp: 192.168.6.69 is on em1 but got reply from 00:01:6c:b3:39:a6 on em0

Sep 21 17:09:58 gateway kernel: arp: 192.168.6.69 is on em1 but got reply from 00:01:6c:b3:39:a6 on em0

Sep 21 17:09:58 gateway kernel: arp: 192.168.1.14 is on em0 but got reply from 00:1b:11:93:b8:67 on em1

Sep 21 17:09:58 gateway kernel: arp: 192.168.1.14 is on em0 but got reply from 00:1b:11:93:b8:67 on em1

Sep 21 17:09:58 gateway kernel: arp: 192.168.2.101 is on em0 but got reply from 00:13:8f:79:a8:5b on em1

Sep 21 17:09:58 gateway kernel: arp: 192.168.4.205 is on em0 but got reply from 00:13:8f:8a:9c:d8 on em1

Sep 21 17:09:58 gateway kernel: arp: 192.168.1.18 is on em0 but got reply from 00:1b:11:9d:d9:8d on em1

Sep 21 17:09:58 gateway kernel: arp: 192.168.1.15 is on em0 but got reply from 00:50:18:50:7a:d5 on em1

 

Через 10 секунд все востанавливается, но через какое-то время все повторяется.Подскажите, что делать? Может дело в настройкх TCP соединения?