Последний месяц появилась проблема с 5148.
По вечерам, по-видимому в пик нагрузки, у абонентов пропадает интернет.
Проверяем пингами. Пакеты теряются в районе МЕС5148.
В него воткнуты 7 штук LTE8x + Маршрутизатор с NAT + Разные сервера. Все в одном VLANе
Пингуем маршрутизатор с NAT и сервера - пинги пропадают то на NAT, то на один сервер, то на другой. !!!
Конфиг элементарный:
Код: Выделить всё
[/console# sh running-config
spanning-tree hello-time 1
spanning-tree max-age 8
spanning-tree forward-time 5
!
port jumbo-frame
!
vlan database
vlan 2000
exit
!
no lldp run
!
interface tengigabitethernet 1/0/1
switchport mode general
switchport general pvid 2000
switchport general allowed vlan add 2000 untagged
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/2
switchport mode general
switchport general pvid 2000
switchport general allowed vlan add 2000 untagged
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/3
switchport mode general
switchport general allowed vlan add 2000
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/4
switchport mode general
switchport general allowed vlan add 2000
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/5
switchport mode general
switchport general allowed vlan add 2000
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/6
switchport mode general
switchport general allowed vlan add 2000
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/7
switchport mode general
switchport general allowed vlan add 2000
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/8
switchport mode general
switchport general allowed vlan add 2000
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/9
switchport mode general
switchport general pvid 2000
switchport general allowed vlan add 2000 untagged
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/10
switchport mode general
switchport general pvid 2000
switchport general allowed vlan add 2000 untagged
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/11
switchport mode general
switchport general pvid 2000
switchport general allowed vlan add 2000 untagged
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/12
switchport mode general
switchport general pvid 2000
switchport general allowed vlan add 2000 untagged
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/13
switchport mode general
switchport general pvid 2000
switchport general allowed vlan add 2000 untagged
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/14
switchport mode general
switchport general pvid 2000
switchport general allowed vlan add 2000 untagged
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/15
switchport mode general
switchport general allowed vlan add 2000
storm-control broadcast enable
storm-control broadcast level kbps 10000
storm-control broadcast logging
storm-control include-multicast unknown-unicast
switchport forbidden default-vlan
exit
!
interface tengigabitethernet 1/0/47
port monitor tengigabitethernet1/0/1
port monitor tengigabitethernet1/0/11
port monitor tengigabitethernet1/0/13
exit
!
interface tengigabitethernet 1/0/48
ip address 10.10.10.118 255.255.255.0
exit
!
arp table-size 4096
!
console#
При этом перезагрузка МЕСа помогает. И дальше все работает нормально, и еще потом пару дней. А на третий, четвертый день после перезагрузки (иногда на пятый) снова возникают подобные проблемы.
В пике трафик на uplink-порту МЕСа подбирается к 4 гб/с.
В чем может быть проблема?